/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include "gdk/gdkkeysyms.h" #include "appenv.h" #include "actionarea.h" #include "buildmenu.h" #include "colormaps.h" #include "drawable.h" #include "errors.h" #include "floating_sel.h" #include "gdisplay.h" #include "gimage.h" #include "gimage_mask.h" #include "gimprc.h" #include "general.h" #include "image_render.h" #include "interface.h" #include "layers_dialog.h" #include "layers_dialogP.h" #include "ops_buttons.h" #include "paint_funcs.h" #include "palette.h" #include "resize.h" #include "session.h" #include "undo.h" #include "tools/eye.xbm" #include "tools/linked.xbm" #include "tools/layer.xbm" #include "tools/mask.xbm" #include "tools/new.xpm" #include "tools/new_is.xpm" #include "tools/raise.xpm" #include "tools/raise_is.xpm" #include "tools/lower.xpm" #include "tools/lower_is.xpm" #include "tools/duplicate.xpm" #include "tools/duplicate_is.xpm" #include "tools/delete.xpm" #include "tools/delete_is.xpm" #include "tools/anchor.xpm" #include "tools/anchor_is.xpm" #include "layer_pvt.h" #define PREVIEW_EVENT_MASK GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_ENTER_NOTIFY_MASK #define BUTTON_EVENT_MASK GDK_EXPOSURE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | \ GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK #define LAYER_LIST_WIDTH 200 #define LAYER_LIST_HEIGHT 150 #define LAYER_PREVIEW 0 #define MASK_PREVIEW 1 #define FS_PREVIEW 2 #define NORMAL 0 #define SELECTED 1 #define INSENSITIVE 2 typedef struct _LayersDialog LayersDialog; struct _LayersDialog { GtkWidget *vbox; GtkWidget *mode_option_menu; GtkWidget *layer_list; GtkWidget *preserve_trans; GtkWidget *mode_box; GtkWidget *opacity_box; GtkWidget *ops_menu; GtkAccelGroup *accel_group; GtkAdjustment *opacity_data; GdkGC *red_gc; /* for non-applied layer masks */ GdkGC *green_gc; /* for visible layer masks */ GtkWidget *layer_preview; double ratio; int image_width, image_height; int gimage_width, gimage_height; /* state information */ int gimage_id; Layer * active_layer; Channel * active_channel; Layer * floating_sel; GSList * layer_widgets; }; typedef struct _LayerWidget LayerWidget; struct _LayerWidget { GtkWidget *eye_widget; GtkWidget *linked_widget; GtkWidget *clip_widget; GtkWidget *layer_preview; GtkWidget *mask_preview; GtkWidget *list_item; GtkWidget *label; GImage *gimage; Layer *layer; GdkPixmap *layer_pixmap; GdkPixmap *mask_pixmap; int active_preview; int width, height; /* state information */ int layer_mask; int apply_mask; int edit_mask; int show_mask; int visited; }; /* layers dialog widget routines */ static void layers_dialog_preview_extents (void); static void layers_dialog_set_menu_sensitivity (void); static void layers_dialog_set_active_layer (Layer *); static void layers_dialog_unset_layer (Layer *); static void layers_dialog_position_layer (Layer *, int); static void layers_dialog_add_layer (Layer *); static void layers_dialog_remove_layer (Layer *); static void layers_dialog_add_layer_mask (Layer *); static void layers_dialog_remove_layer_mask (Layer *); static void paint_mode_menu_callback (GtkWidget *, gpointer); static void image_menu_callback (GtkWidget *, gpointer); static void opacity_scale_update (GtkAdjustment *, gpointer); static void preserve_trans_update (GtkWidget *, gpointer); static gint layer_list_events (GtkWidget *, GdkEvent *); /* layers dialog menu callbacks */ static void layers_dialog_map_callback (GtkWidget *, gpointer); static void layers_dialog_unmap_callback (GtkWidget *, gpointer); static void layers_dialog_new_layer_callback (GtkWidget *, gpointer); static void layers_dialog_raise_layer_callback (GtkWidget *, gpointer); static void layers_dialog_lower_layer_callback (GtkWidget *, gpointer); static void layers_dialog_duplicate_layer_callback (GtkWidget *, gpointer); static void layers_dialog_delete_layer_callback (GtkWidget *, gpointer); static void layers_dialog_scale_layer_callback (GtkWidget *, gpointer); static void layers_dialog_resize_layer_callback (GtkWidget *, gpointer); static void layers_dialog_add_layer_mask_callback (GtkWidget *, gpointer); static void layers_dialog_apply_layer_mask_callback (GtkWidget *, gpointer); static void layers_dialog_anchor_layer_callback (GtkWidget *, gpointer); static void layers_dialog_merge_layers_callback (GtkWidget *, gpointer); static void layers_dialog_flatten_image_callback (GtkWidget *, gpointer); static void layers_dialog_alpha_select_callback (GtkWidget *, gpointer); static void layers_dialog_mask_select_callback (GtkWidget *, gpointer); static void layers_dialog_add_alpha_channel_callback (GtkWidget *, gpointer); static gint lc_dialog_close_callback (GtkWidget *, gpointer); /* layer widget function prototypes */ static LayerWidget *layer_widget_get_ID (Layer *); static LayerWidget *create_layer_widget (GImage *, Layer *); static void layer_widget_delete (LayerWidget *); static void layer_widget_select_update (GtkWidget *, gpointer); static gint layer_widget_button_events (GtkWidget *, GdkEvent *); static gint layer_widget_preview_events (GtkWidget *, GdkEvent *); static void layer_widget_boundary_redraw (LayerWidget *, int); static void layer_widget_preview_redraw (LayerWidget *, int); static void layer_widget_no_preview_redraw (LayerWidget *, int); static void layer_widget_eye_redraw (LayerWidget *); static void layer_widget_linked_redraw (LayerWidget *); static void layer_widget_clip_redraw (LayerWidget *); static void layer_widget_exclusive_visible (LayerWidget *); static void layer_widget_layer_flush (GtkWidget *, gpointer); /* assorted query dialogs */ static void layers_dialog_new_layer_query (int); static void layers_dialog_edit_layer_query (LayerWidget *); static void layers_dialog_add_mask_query (Layer *); static void layers_dialog_apply_mask_query (Layer *); static void layers_dialog_scale_layer_query (Layer *); static void layers_dialog_resize_layer_query (Layer *); void layers_dialog_layer_merge_query (GImage *, int); /* * Shared data */ GtkWidget *lc_shell = NULL; GtkWidget *lc_subshell = NULL; /* * Local data */ static LayersDialog *layersD = NULL; static GtkWidget *image_menu; static GtkWidget *image_option_menu; static GdkPixmap *eye_pixmap[3] = {NULL, NULL, NULL}; static GdkPixmap *linked_pixmap[3] = {NULL, NULL, NULL}; static GdkPixmap *layer_pixmap[3] = {NULL, NULL, NULL}; static GdkPixmap *mask_pixmap[3] = {NULL, NULL, NULL}; static int suspend_gimage_notify = 0; static MenuItem layers_ops[] = { { "New Layer", 'N', GDK_CONTROL_MASK, layers_dialog_new_layer_callback, NULL, NULL, NULL }, { "Raise Layer", 'F', GDK_CONTROL_MASK, layers_dialog_raise_layer_callback, NULL, NULL, NULL }, { "Lower Layer", 'B', GDK_CONTROL_MASK, layers_dialog_lower_layer_callback, NULL, NULL, NULL }, { "Duplicate Layer", 'C', GDK_CONTROL_MASK, layers_dialog_duplicate_layer_callback, NULL, NULL, NULL }, { "Delete Layer", 'X', GDK_CONTROL_MASK, layers_dialog_delete_layer_callback, NULL, NULL, NULL }, { "Scale Layer", 'S', GDK_CONTROL_MASK, layers_dialog_scale_layer_callback, NULL, NULL, NULL }, { "Resize Layer", 'R', GDK_CONTROL_MASK, layers_dialog_resize_layer_callback, NULL, NULL, NULL }, { "Add Layer Mask", 0, 0, layers_dialog_add_layer_mask_callback, NULL, NULL, NULL }, { "Apply Layer Mask", 0, 0, layers_dialog_apply_layer_mask_callback, NULL, NULL, NULL }, { "Anchor Layer", 'H', GDK_CONTROL_MASK, layers_dialog_anchor_layer_callback, NULL, NULL, NULL }, { "Merge Visible Layers", 'M', GDK_CONTROL_MASK, layers_dialog_merge_layers_callback, NULL, NULL, NULL }, { "Flatten Image", 0, 0, layers_dialog_flatten_image_callback, NULL, NULL, NULL }, { "Alpha To Selection", 0, 0, layers_dialog_alpha_select_callback, NULL, NULL, NULL }, { "Mask To Selection", 0, 0, layers_dialog_mask_select_callback, NULL, NULL, NULL }, { "Add Alpha Channel", 0, 0, layers_dialog_add_alpha_channel_callback, NULL, NULL, NULL }, { NULL, 0, 0, NULL, NULL, NULL, NULL }, }; /* the option menu items -- the paint modes */ static MenuItem option_items[] = { { "Normal", 0, 0, paint_mode_menu_callback, (gpointer) NORMAL_MODE, NULL, NULL }, { "Dissolve", 0, 0, paint_mode_menu_callback, (gpointer) DISSOLVE_MODE, NULL, NULL }, { "Multiply (Burn)", 0, 0, paint_mode_menu_callback, (gpointer) MULTIPLY_MODE, NULL, NULL }, { "Divide (Dodge)", 0, 0, paint_mode_menu_callback, (gpointer) DIVIDE_MODE, NULL, NULL }, { "Screen", 0, 0, paint_mode_menu_callback, (gpointer) SCREEN_MODE, NULL, NULL }, { "Overlay", 0, 0, paint_mode_menu_callback, (gpointer) OVERLAY_MODE, NULL, NULL }, { "Difference", 0, 0, paint_mode_menu_callback, (gpointer) DIFFERENCE_MODE, NULL, NULL }, { "Addition", 0, 0, paint_mode_menu_callback, (gpointer) ADDITION_MODE, NULL, NULL }, { "Subtract", 0, 0, paint_mode_menu_callback, (gpointer) SUBTRACT_MODE, NULL, NULL }, { "Darken Only", 0, 0, paint_mode_menu_callback, (gpointer) DARKEN_ONLY_MODE, NULL, NULL }, { "Lighten Only", 0, 0, paint_mode_menu_callback, (gpointer) LIGHTEN_ONLY_MODE, NULL, NULL }, { "Hue", 0, 0, paint_mode_menu_callback, (gpointer) HUE_MODE, NULL, NULL }, { "Saturation", 0, 0, paint_mode_menu_callback, (gpointer) SATURATION_MODE, NULL, NULL }, { "Color", 0, 0, paint_mode_menu_callback, (gpointer) COLOR_MODE, NULL, NULL }, { "Value", 0, 0, paint_mode_menu_callback, (gpointer) VALUE_MODE, NULL, NULL }, { NULL, 0, 0, NULL, NULL, NULL, NULL } }; /* the ops buttons */ static OpsButton layers_ops_buttons[] = { { new_xpm, new_is_xpm, layers_dialog_new_layer_callback, "New Layer", NULL, NULL, NULL, NULL, NULL, NULL }, { raise_xpm, raise_is_xpm, layers_dialog_raise_layer_callback, "Raise Layer", NULL, NULL, NULL, NULL, NULL, NULL }, { lower_xpm, lower_is_xpm, layers_dialog_lower_layer_callback, "Lower Layer", NULL, NULL, NULL, NULL, NULL, NULL }, { duplicate_xpm, duplicate_is_xpm, layers_dialog_duplicate_layer_callback, "Duplicate Layer", NULL, NULL, NULL, NULL, NULL, NULL }, { delete_xpm, delete_is_xpm, layers_dialog_delete_layer_callback, "Delete Layer", NULL, NULL, NULL, NULL, NULL, NULL }, { anchor_xpm, anchor_is_xpm, layers_dialog_anchor_layer_callback, "Anchor Layer", NULL, NULL, NULL, NULL, NULL, NULL }, { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL} }; /************************************/ /* Public layers dialog functions */ /************************************/ void lc_dialog_create (int gimage_id) { GtkWidget *util_box; GtkWidget *button; GtkWidget *label; GtkWidget *notebook; GtkWidget *separator; int default_index; if (lc_shell == NULL) { lc_shell = gtk_dialog_new (); gtk_window_set_title (GTK_WINDOW (lc_shell), "Layers & Channels"); gtk_window_set_wmclass (GTK_WINDOW (lc_shell), "layers_and_channels", "Gimp"); session_set_window_geometry (lc_shell, &lc_dialog_geometry, TRUE); gtk_container_border_width (GTK_CONTAINER (GTK_DIALOG (lc_shell)->vbox), 2); gtk_signal_connect (GTK_OBJECT (lc_shell), "delete_event", GTK_SIGNAL_FUNC (lc_dialog_close_callback), NULL); gtk_signal_connect (GTK_OBJECT (lc_shell), "destroy", GTK_SIGNAL_FUNC (gtk_widget_destroyed), &lc_shell); gtk_quit_add_destroy (1, GTK_OBJECT (lc_shell)); lc_subshell = gtk_vbox_new(FALSE, 2); gtk_box_pack_start (GTK_BOX(GTK_DIALOG(lc_shell)->vbox), lc_subshell, TRUE, TRUE, 2); /* The hbox to hold the image option menu box */ util_box = gtk_hbox_new (FALSE, 1); gtk_box_pack_start (GTK_BOX(lc_subshell), util_box, FALSE, FALSE, 0); /* The GIMP image option menu */ label = gtk_label_new ("Image:"); gtk_box_pack_start (GTK_BOX (util_box), label, FALSE, FALSE, 2); image_option_menu = gtk_option_menu_new (); image_menu = create_image_menu (&gimage_id, &default_index, image_menu_callback); gtk_box_pack_start (GTK_BOX (util_box), image_option_menu, TRUE, TRUE, 2); gtk_widget_show (image_option_menu); gtk_option_menu_set_menu (GTK_OPTION_MENU (image_option_menu), image_menu); if (default_index != -1) gtk_option_menu_set_history (GTK_OPTION_MENU (image_option_menu), default_index); gtk_widget_show (label); gtk_widget_show (util_box); separator = gtk_hseparator_new (); gtk_box_pack_start (GTK_BOX(lc_subshell), separator, FALSE, TRUE, 2); gtk_widget_show (separator); /* The notebook widget */ notebook = gtk_notebook_new (); gtk_box_pack_start (GTK_BOX(lc_subshell), notebook, TRUE, TRUE, 0); label = gtk_label_new ("Layers"); gtk_notebook_append_page (GTK_NOTEBOOK (notebook), layers_dialog_create (), label); gtk_widget_show (label); label = gtk_label_new ("Channels"); gtk_notebook_append_page (GTK_NOTEBOOK (notebook), channels_dialog_create (), label); gtk_widget_show (label); gtk_widget_show (notebook); gtk_widget_show (lc_subshell); gtk_container_border_width (GTK_CONTAINER (GTK_DIALOG(lc_shell)->action_area), 1); /* The close button */ button = gtk_button_new_with_label ("Close"); gtk_box_pack_start (GTK_BOX (GTK_DIALOG(lc_shell)->action_area), button, TRUE, TRUE, 0); gtk_signal_connect_object (GTK_OBJECT (button), "clicked", (GtkSignalFunc) lc_dialog_close_callback, GTK_OBJECT (lc_shell)); gtk_widget_show (button); gtk_widget_show (GTK_DIALOG(lc_shell)->action_area); gtk_widget_show (lc_shell); /* Make sure the channels page is realized */ gtk_notebook_set_page (GTK_NOTEBOOK (notebook), 1); gtk_notebook_set_page (GTK_NOTEBOOK (notebook), 0); if (gimage_id == -1) { gtk_widget_set_sensitive (lc_subshell, FALSE); /* This is a little bit ugly, since we should also set the channels_ops_buttons insensitive, but they are never shown if the dialog is created on startup with no image present. */ ops_button_box_set_insensitive (layers_ops_buttons); } layers_dialog_update (gimage_id); channels_dialog_update (gimage_id); gdisplays_flush (); } else { if (!GTK_WIDGET_VISIBLE (lc_shell)) gtk_widget_show (lc_shell); else gdk_window_raise (lc_shell->window); layers_dialog_update (gimage_id); channels_dialog_update (gimage_id); lc_dialog_update_image_list (); gdisplays_flush (); } } void lc_dialog_update_image_list () { int default_index; int default_id; if (lc_shell == NULL) return; default_id = layersD->gimage_id; layersD->gimage_id = -1; /* ??? */ image_menu = create_image_menu (&default_id, &default_index, image_menu_callback); gtk_option_menu_set_menu (GTK_OPTION_MENU (image_option_menu), image_menu); if (default_index != -1) { if (! GTK_WIDGET_IS_SENSITIVE (lc_subshell) ) gtk_widget_set_sensitive (lc_subshell, TRUE); gtk_option_menu_set_history (GTK_OPTION_MENU (image_option_menu), default_index); if (default_id != layersD->gimage_id) { layers_dialog_update (default_id); channels_dialog_update (default_id); gdisplays_flush (); } } else { if (GTK_WIDGET_IS_SENSITIVE (lc_subshell)) gtk_widget_set_sensitive (lc_subshell, FALSE); layers_dialog_clear (); channels_dialog_clear (); } } void lc_dialog_free () { if (lc_shell == NULL) return; session_get_window_geometry (lc_shell, &lc_dialog_geometry); layers_dialog_free (); channels_dialog_free (); gtk_widget_destroy (lc_shell); } void lc_dialog_rebuild (int new_preview_size) { int gimage_id; int flag; gimage_id = -1; flag = 0; if (lc_shell) { flag = 1; gimage_id = layersD->gimage_id; lc_dialog_free (); } preview_size = new_preview_size; render_setup (transparency_type, transparency_size); if (flag) lc_dialog_create (gimage_id); } void layers_dialog_flush () { GImage *gimage; Layer *layer; LayerWidget *lw; GSList *list; int gimage_pos; int pos; if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; /* Check if the gimage extents have changed */ if ((gimage->width != layersD->gimage_width) || (gimage->height != layersD->gimage_height)) { layersD->gimage_id = -1; layers_dialog_update (gimage->ID); } /* Set all current layer widgets to visited = FALSE */ list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; lw->visited = FALSE; list = g_slist_next (list); } /* Add any missing layers */ list = gimage->layers; while (list) { layer = (Layer *) list->data; lw = layer_widget_get_ID (layer); /* If the layer isn't in the layer widget list, add it */ if (lw == NULL) layers_dialog_add_layer (layer); else lw->visited = TRUE; list = g_slist_next (list); } /* Remove any extraneous layers */ list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; list = g_slist_next (list); if (lw->visited == FALSE) layers_dialog_remove_layer ((lw->layer)); } /* Switch positions of items if necessary */ list = layersD->layer_widgets; pos = 0; while (list) { lw = (LayerWidget *) list->data; list = g_slist_next (list); if ((gimage_pos = gimage_get_layer_index (gimage, lw->layer)) != pos) layers_dialog_position_layer ((lw->layer), gimage_pos); pos++; } /* Set the active layer */ if (layersD->active_layer != gimage->active_layer) layersD->active_layer = gimage->active_layer; /* Set the active channel */ if (layersD->active_channel != gimage->active_channel) { layersD->active_channel = gimage->active_channel; /* If there is an active channel, this list is single select */ if (layersD->active_channel != NULL) gtk_list_set_selection_mode (GTK_LIST (layersD->layer_list), GTK_SELECTION_SINGLE); else gtk_list_set_selection_mode (GTK_LIST (layersD->layer_list), GTK_SELECTION_BROWSE); } /* set the menus if floating sel status has changed */ if (layersD->floating_sel != gimage->floating_sel) layersD->floating_sel = gimage->floating_sel; layers_dialog_set_menu_sensitivity (); gtk_container_foreach (GTK_CONTAINER (layersD->layer_list), layer_widget_layer_flush, NULL); } void layers_dialog_free () { GSList *list; LayerWidget *lw; if (layersD == NULL) return; /* Free all elements in the layers listbox */ gtk_list_clear_items (GTK_LIST (layersD->layer_list), 0, -1); list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; list = g_slist_next(list); layer_widget_delete (lw); } layersD->layer_widgets = NULL; layersD->active_layer = NULL; layersD->active_channel = NULL; layersD->floating_sel = NULL; if (layersD->layer_preview) gtk_object_sink (GTK_OBJECT (layersD->layer_preview)); if (layersD->green_gc) gdk_gc_destroy (layersD->green_gc); if (layersD->red_gc) gdk_gc_destroy (layersD->red_gc); if (layersD->ops_menu) gtk_object_sink (GTK_OBJECT (layersD->ops_menu)); g_free (layersD); layersD = NULL; } /*************************************/ /* layers dialog widget routines */ /*************************************/ GtkWidget * layers_dialog_create () { GtkWidget *vbox; GtkWidget *util_box; GtkWidget *button_box; GtkWidget *label; GtkWidget *menu; GtkWidget *slider; GtkWidget *listbox; if (!layersD) { layersD = g_malloc (sizeof (LayersDialog)); layersD->layer_preview = NULL; layersD->gimage_id = -1; layersD->active_layer = NULL; layersD->active_channel = NULL; layersD->floating_sel = NULL; layersD->layer_widgets = NULL; layersD->accel_group = gtk_accel_group_new (); layersD->green_gc = NULL; layersD->red_gc = NULL; if (preview_size) { layersD->layer_preview = gtk_preview_new (GTK_PREVIEW_COLOR); gtk_preview_size (GTK_PREVIEW (layersD->layer_preview), preview_size, preview_size); } /* The main vbox */ layersD->vbox = vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); /* The layers commands pulldown menu */ layersD->ops_menu = build_menu (layers_ops, layersD->accel_group); /* The Mode option menu, and the preserve transparency */ layersD->mode_box = util_box = gtk_hbox_new (FALSE, 1); gtk_box_pack_start (GTK_BOX (vbox), util_box, FALSE, FALSE, 0); label = gtk_label_new ("Mode:"); gtk_box_pack_start (GTK_BOX (util_box), label, FALSE, FALSE, 2); menu = build_menu (option_items, NULL); layersD->mode_option_menu = gtk_option_menu_new (); gtk_box_pack_start (GTK_BOX (util_box), layersD->mode_option_menu, FALSE, FALSE, 2); gtk_widget_show (label); gtk_widget_show (layersD->mode_option_menu); gtk_option_menu_set_menu (GTK_OPTION_MENU (layersD->mode_option_menu), menu); layersD->preserve_trans = gtk_check_button_new_with_label ("Keep Trans."); gtk_box_pack_start (GTK_BOX (util_box), layersD->preserve_trans, FALSE, FALSE, 2); gtk_signal_connect (GTK_OBJECT (layersD->preserve_trans), "toggled", (GtkSignalFunc) preserve_trans_update, layersD); gtk_widget_show (layersD->preserve_trans); gtk_widget_show (util_box); /* Opacity scale */ layersD->opacity_box = util_box = gtk_hbox_new (FALSE, 1); gtk_box_pack_start (GTK_BOX (vbox), util_box, FALSE, FALSE, 0); label = gtk_label_new ("Opacity:"); gtk_box_pack_start (GTK_BOX (util_box), label, FALSE, FALSE, 2); layersD->opacity_data = GTK_ADJUSTMENT (gtk_adjustment_new (100.0, 0.0, 100.0, 1.0, 1.0, 0.0)); slider = gtk_hscale_new (layersD->opacity_data); gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED); gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_RIGHT); gtk_box_pack_start (GTK_BOX (util_box), slider, TRUE, TRUE, 0); gtk_signal_connect (GTK_OBJECT (layersD->opacity_data), "value_changed", (GtkSignalFunc) opacity_scale_update, layersD); gtk_widget_show (label); gtk_widget_show (slider); gtk_widget_show (util_box); /* The layers listbox */ listbox = gtk_scrolled_window_new (NULL, NULL); gtk_widget_set_usize (listbox, LAYER_LIST_WIDTH, LAYER_LIST_HEIGHT); gtk_box_pack_start (GTK_BOX (vbox), listbox, TRUE, TRUE, 2); layersD->layer_list = gtk_list_new (); gtk_container_add (GTK_CONTAINER (listbox), layersD->layer_list); gtk_list_set_selection_mode (GTK_LIST (layersD->layer_list), GTK_SELECTION_BROWSE); gtk_signal_connect (GTK_OBJECT (layersD->layer_list), "event", (GtkSignalFunc) layer_list_events, layersD); gtk_container_set_focus_vadjustment (GTK_CONTAINER (layersD->layer_list), gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (listbox))); GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (listbox)->vscrollbar, GTK_CAN_FOCUS); gtk_widget_show (layersD->layer_list); gtk_widget_show (listbox); /* The ops buttons */ button_box = ops_button_box_new (lc_shell, tool_tips, layers_ops_buttons); gtk_box_pack_start (GTK_BOX (vbox), button_box, FALSE, FALSE, 2); gtk_widget_show (button_box); /* Set up signals for map/unmap for the accelerators */ gtk_signal_connect (GTK_OBJECT (layersD->vbox), "map", (GtkSignalFunc) layers_dialog_map_callback, NULL); gtk_signal_connect (GTK_OBJECT (layersD->vbox), "unmap", (GtkSignalFunc) layers_dialog_unmap_callback, NULL); gtk_widget_show (vbox); } return layersD->vbox; } GtkWidget * create_image_menu (int *default_id, int *default_index, MenuItemCallback callback) { extern GSList *image_list; GImage *gimage; GtkWidget *menu_item; GtkWidget *menu; char *menu_item_label; char *image_name; GSList *tmp; int num_items = 0; int id; id = -1; *default_index = -1; menu = gtk_menu_new (); tmp = image_list; while (tmp) { gimage = tmp->data; tmp = g_slist_next (tmp); /* make sure the default index gets set to _something_, if possible */ if (*default_index == -1) { id = gimage->ID; *default_index = num_items; } if (gimage->ID == *default_id) { id = *default_id; *default_index = num_items; } image_name = prune_filename (gimage_filename (gimage)); menu_item_label = (char *) g_malloc (strlen (image_name) + 15); sprintf (menu_item_label, "%s-%d", image_name, gimage->ID); menu_item = gtk_menu_item_new_with_label (menu_item_label); gtk_signal_connect (GTK_OBJECT (menu_item), "activate", (GtkSignalFunc) callback, (gpointer) ((long) gimage->ID)); gtk_container_add (GTK_CONTAINER (menu), menu_item); gtk_widget_show (menu_item); g_free (menu_item_label); num_items ++; } if (!num_items) { menu_item = gtk_menu_item_new_with_label ("none"); gtk_container_add (GTK_CONTAINER (menu), menu_item); gtk_widget_show (menu_item); } *default_id = id; return menu; } void layers_dialog_update (int gimage_id) { GImage *gimage; Layer *layer; LayerWidget *lw; GSList *list; GList *item_list; if (!layersD) return; if (layersD->gimage_id == gimage_id) return; layersD->gimage_id = gimage_id; suspend_gimage_notify++; /* Free all elements in the layers listbox */ gtk_list_clear_items (GTK_LIST (layersD->layer_list), 0, -1); list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; list = g_slist_next(list); layer_widget_delete (lw); } if (layersD->layer_widgets) g_message ("layersD->layer_widgets not empty!"); layersD->layer_widgets = NULL; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; /* Find the preview extents */ layers_dialog_preview_extents (); layersD->active_layer = NULL; layersD->active_channel = NULL; layersD->floating_sel = NULL; list = gimage->layers; item_list = NULL; while (list) { /* create a layer list item */ layer = (Layer *) list->data; lw = create_layer_widget (gimage, layer); layersD->layer_widgets = g_slist_append (layersD->layer_widgets, lw); item_list = g_list_append (item_list, lw->list_item); list = g_slist_next (list); } /* get the index of the active layer */ if (item_list) gtk_list_insert_items (GTK_LIST (layersD->layer_list), item_list, 0); suspend_gimage_notify--; } void layers_dialog_clear () { ops_button_box_set_insensitive (layers_ops_buttons); layersD->gimage_id = -1; gtk_list_clear_items (GTK_LIST (layersD->layer_list), 0, -1); } void render_preview (TempBuf *preview_buf, GtkWidget *preview_widget, int width, int height, int channel) { unsigned char *src, *s; unsigned char *cb; unsigned char *buf; int a; int i, j, b; int x1, y1, x2, y2; int rowstride; int color_buf; int color; int alpha; int has_alpha; int image_bytes; int offset; alpha = ALPHA_PIX; /* Here are the different cases this functions handles correctly: * 1) Offset preview_buf which does not necessarily cover full image area * 2) Color conversion of preview_buf if it is gray and image is color * 3) Background check buffer for transparent preview_bufs * 4) Using the optional "channel" argument, one channel can be extracted * from a multi-channel preview_buf and composited as a grayscale * Prereqs: * 1) Grayscale preview_bufs have bytes == {1, 2} * 2) Color preview_bufs have bytes == {3, 4} * 3) If image is gray, then preview_buf should have bytes == {1, 2} */ color_buf = (GTK_PREVIEW (preview_widget)->type == GTK_PREVIEW_COLOR); image_bytes = (color_buf) ? 3 : 1; has_alpha = (preview_buf->bytes == 2 || preview_buf->bytes == 4); rowstride = preview_buf->width * preview_buf->bytes; /* Determine if the preview buf supplied is color * Generally, if the bytes == {3, 4}, this is true. * However, if the channel argument supplied is not -1, then * the preview buf is assumed to be gray despite the number of * channels it contains */ color = (preview_buf->bytes == 3 || preview_buf->bytes == 4) && (channel == -1); if (has_alpha) { buf = check_buf; alpha = (color) ? ALPHA_PIX : ((channel != -1) ? (preview_buf->bytes - 1) : ALPHA_G_PIX); } else buf = empty_buf; x1 = BOUNDS (preview_buf->x, 0, width); y1 = BOUNDS (preview_buf->y, 0, height); x2 = BOUNDS (preview_buf->x + preview_buf->width, 0, width); y2 = BOUNDS (preview_buf->y + preview_buf->height, 0, height); src = temp_buf_data (preview_buf) + (y1 - preview_buf->y) * rowstride + (x1 - preview_buf->x) * preview_buf->bytes; /* One last thing for efficiency's sake: */ if (channel == -1) channel = 0; for (i = 0; i < height; i++) { if (i & 0x4) { offset = 4; cb = buf + offset * 3; } else { offset = 0; cb = buf; } /* The interesting stuff between leading & trailing vertical transparency */ if (i >= y1 && i < y2) { /* Handle the leading transparency */ for (j = 0; j < x1; j++) for (b = 0; b < image_bytes; b++) temp_buf[j * image_bytes + b] = cb[j * 3 + b]; /* The stuff in the middle */ s = src; for (j = x1; j < x2; j++) { if (color) { if (has_alpha) { a = s[alpha] << 8; if ((j + offset) & 0x4) { temp_buf[j * 3 + 0] = blend_dark_check [(a | s[RED_PIX])]; temp_buf[j * 3 + 1] = blend_dark_check [(a | s[GREEN_PIX])]; temp_buf[j * 3 + 2] = blend_dark_check [(a | s[BLUE_PIX])]; } else { temp_buf[j * 3 + 0] = blend_light_check [(a | s[RED_PIX])]; temp_buf[j * 3 + 1] = blend_light_check [(a | s[GREEN_PIX])]; temp_buf[j * 3 + 2] = blend_light_check [(a | s[BLUE_PIX])]; } } else { temp_buf[j * 3 + 0] = s[RED_PIX]; temp_buf[j * 3 + 1] = s[GREEN_PIX]; temp_buf[j * 3 + 2] = s[BLUE_PIX]; } } else { if (has_alpha) { a = s[alpha] << 8; if ((j + offset) & 0x4) { if (color_buf) { temp_buf[j * 3 + 0] = blend_dark_check [(a | s[GRAY_PIX])]; temp_buf[j * 3 + 1] = blend_dark_check [(a | s[GRAY_PIX])]; temp_buf[j * 3 + 2] = blend_dark_check [(a | s[GRAY_PIX])]; } else temp_buf[j] = blend_dark_check [(a | s[GRAY_PIX + channel])]; } else { if (color_buf) { temp_buf[j * 3 + 0] = blend_light_check [(a | s[GRAY_PIX])]; temp_buf[j * 3 + 1] = blend_light_check [(a | s[GRAY_PIX])]; temp_buf[j * 3 + 2] = blend_light_check [(a | s[GRAY_PIX])]; } else temp_buf[j] = blend_light_check [(a | s[GRAY_PIX + channel])]; } } else { if (color_buf) { temp_buf[j * 3 + 0] = s[GRAY_PIX]; temp_buf[j * 3 + 1] = s[GRAY_PIX]; temp_buf[j * 3 + 2] = s[GRAY_PIX]; } else temp_buf[j] = s[GRAY_PIX + channel]; } } s += preview_buf->bytes; } /* Handle the trailing transparency */ for (j = x2; j < width; j++) for (b = 0; b < image_bytes; b++) temp_buf[j * image_bytes + b] = cb[j * 3 + b]; src += rowstride; } else { for (j = 0; j < width; j++) for (b = 0; b < image_bytes; b++) temp_buf[j * image_bytes + b] = cb[j * 3 + b]; } gtk_preview_draw_row (GTK_PREVIEW (preview_widget), temp_buf, 0, i, width); } } void render_fs_preview (GtkWidget *widget, GdkPixmap *pixmap) { int w, h; int x1, y1, x2, y2; GdkPoint poly[6]; int foldh, foldw; int i; gdk_window_get_size (pixmap, &w, &h); x1 = 2; y1 = h / 8 + 2; x2 = w - w / 8 - 2; y2 = h - 2; gdk_draw_rectangle (pixmap, widget->style->bg_gc[GTK_STATE_NORMAL], 1, 0, 0, w, h); gdk_draw_rectangle (pixmap, widget->style->black_gc, 0, x1, y1, (x2 - x1), (y2 - y1)); foldw = w / 4; foldh = h / 4; x1 = w / 8 + 2; y1 = 2; x2 = w - 2; y2 = h - h / 8 - 2; poly[0].x = x1 + foldw; poly[0].y = y1; poly[1].x = x1 + foldw; poly[1].y = y1 + foldh; poly[2].x = x1; poly[2].y = y1 + foldh; poly[3].x = x1; poly[3].y = y2; poly[4].x = x2; poly[4].y = y2; poly[5].x = x2; poly[5].y = y1; gdk_draw_polygon (pixmap, widget->style->white_gc, 1, poly, 6); gdk_draw_line (pixmap, widget->style->black_gc, x1, y1 + foldh, x1, y2); gdk_draw_line (pixmap, widget->style->black_gc, x1, y2, x2, y2); gdk_draw_line (pixmap, widget->style->black_gc, x2, y2, x2, y1); gdk_draw_line (pixmap, widget->style->black_gc, x1 + foldw, y1, x2, y1); for (i = 0; i < foldw; i++) gdk_draw_line (pixmap, widget->style->black_gc, x1 + i, y1 + foldh, x1 + i, (foldw == 1) ? y1 : (y1 + (foldh - (foldh * i) / (foldw - 1)))); } static void layers_dialog_preview_extents () { GImage *gimage; if (! layersD) return; gimage = gimage_get_ID (layersD->gimage_id); layersD->gimage_width = gimage->width; layersD->gimage_height = gimage->height; /* Get the image width and height variables, based on the gimage */ if (gimage->width > gimage->height) layersD->ratio = (double) preview_size / (double) gimage->width; else layersD->ratio = (double) preview_size / (double) gimage->height; if (preview_size) { layersD->image_width = (int) (layersD->ratio * gimage->width); layersD->image_height = (int) (layersD->ratio * gimage->height); if (layersD->image_width < 1) layersD->image_width = 1; if (layersD->image_height < 1) layersD->image_height = 1; } else { layersD->image_width = layer_width; layersD->image_height = layer_height; } } static void layers_dialog_set_menu_sensitivity () { gint fs; /* floating sel */ gint ac; /* active channel */ gint lm; /* layer mask */ gint gimage; /* is there a gimage */ gint lp; /* layers present */ gint alpha; /* alpha channel present */ Layer *layer; lp = FALSE; if (! layersD) return; if ((layer = (layersD->active_layer)) != NULL) lm = (layer->mask) ? TRUE : FALSE; else lm = FALSE; fs = (layersD->floating_sel == NULL); ac = (layersD->active_channel == NULL); gimage = (gimage_get_ID (layersD->gimage_id) != NULL); alpha = layer && layer_has_alpha (layer); if (gimage) lp = (gimage_get_ID (layersD->gimage_id)->layers != NULL); /* new layer */ gtk_widget_set_sensitive (layers_ops[0].widget, gimage); ops_button_set_sensitive (layers_ops_buttons[0], gimage); /* raise layer */ gtk_widget_set_sensitive (layers_ops[1].widget, fs && ac && gimage && lp && alpha); ops_button_set_sensitive (layers_ops_buttons[1], fs && ac && gimage && lp && alpha); /* lower layer */ gtk_widget_set_sensitive (layers_ops[2].widget, fs && ac && gimage && lp && alpha); ops_button_set_sensitive (layers_ops_buttons[2], fs && ac && gimage && lp && alpha); /* duplicate layer */ gtk_widget_set_sensitive (layers_ops[3].widget, fs && ac && gimage && lp); ops_button_set_sensitive (layers_ops_buttons[3], fs && ac && gimage && lp); /* delete layer */ gtk_widget_set_sensitive (layers_ops[4].widget, ac && gimage && lp); ops_button_set_sensitive (layers_ops_buttons[4], ac && gimage && lp); /* scale layer */ gtk_widget_set_sensitive (layers_ops[5].widget, ac && gimage && lp); /* resize layer */ gtk_widget_set_sensitive (layers_ops[6].widget, ac && gimage && lp); /* add layer mask */ gtk_widget_set_sensitive (layers_ops[7].widget, fs && ac && gimage && !lm && lp && alpha); /* apply layer mask */ gtk_widget_set_sensitive (layers_ops[8].widget, fs && ac && gimage && lm && lp); /* anchor layer */ gtk_widget_set_sensitive (layers_ops[9].widget, !fs && ac && gimage && lp); ops_button_set_sensitive (layers_ops_buttons[5], !fs && ac && gimage && lp); /* merge visible layers */ gtk_widget_set_sensitive (layers_ops[10].widget, fs && ac && gimage && lp); /* flatten image */ gtk_widget_set_sensitive (layers_ops[11].widget, fs && ac && gimage && lp); /* alpha select */ gtk_widget_set_sensitive (layers_ops[12].widget, fs && ac && gimage && lp && alpha); /* mask select */ gtk_widget_set_sensitive (layers_ops[13].widget, fs && ac && gimage && lm && lp); /* add alpha */ gtk_widget_set_sensitive (layers_ops[14].widget, !alpha); /* set mode, preserve transparency and opacity to insensitive if there are no layers */ gtk_widget_set_sensitive (layersD->preserve_trans, lp); gtk_widget_set_sensitive (layersD->opacity_box, lp); gtk_widget_set_sensitive (layersD->mode_box, lp); } static void layers_dialog_set_active_layer (Layer * layer) { LayerWidget *layer_widget; GtkStateType state; int index; layer_widget = layer_widget_get_ID (layer); if (!layersD || !layer_widget) return; /* Make sure the gimage is not notified of this change */ suspend_gimage_notify++; state = layer_widget->list_item->state; index = gimage_get_layer_index (layer_widget->gimage, layer); if ((index >= 0) && (state != GTK_STATE_SELECTED)) { gtk_object_set_user_data (GTK_OBJECT (layer_widget->list_item), NULL); gtk_list_select_item (GTK_LIST (layersD->layer_list), index); gtk_object_set_user_data (GTK_OBJECT (layer_widget->list_item), layer_widget); } suspend_gimage_notify--; } static void layers_dialog_unset_layer (Layer * layer) { LayerWidget *layer_widget; GtkStateType state; int index; layer_widget = layer_widget_get_ID (layer); if (!layersD || !layer_widget) return; /* Make sure the gimage is not notified of this change */ suspend_gimage_notify++; state = layer_widget->list_item->state; index = gimage_get_layer_index (layer_widget->gimage, layer); if ((index >= 0) && (state == GTK_STATE_SELECTED)) { gtk_object_set_user_data (GTK_OBJECT (layer_widget->list_item), NULL); gtk_list_unselect_item (GTK_LIST (layersD->layer_list), index); gtk_object_set_user_data (GTK_OBJECT (layer_widget->list_item), layer_widget); } suspend_gimage_notify--; } static void layers_dialog_position_layer (Layer * layer, int new_index) { LayerWidget *layer_widget; GList *list = NULL; layer_widget = layer_widget_get_ID (layer); if (!layersD || !layer_widget) return; /* Make sure the gimage is not notified of this change */ suspend_gimage_notify++; /* Remove the layer from the dialog */ list = g_list_append (list, layer_widget->list_item); gtk_list_remove_items (GTK_LIST (layersD->layer_list), list); layersD->layer_widgets = g_slist_remove (layersD->layer_widgets, layer_widget); suspend_gimage_notify--; /* Add it back at the proper index */ gtk_list_insert_items (GTK_LIST (layersD->layer_list), list, new_index); layersD->layer_widgets = g_slist_insert (layersD->layer_widgets, layer_widget, new_index); } static void layers_dialog_add_layer (Layer *layer) { GImage *gimage; GList *item_list; LayerWidget *layer_widget; int position; if (!layersD || !layer) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; item_list = NULL; layer_widget = create_layer_widget (gimage, layer); item_list = g_list_append (item_list, layer_widget->list_item); position = gimage_get_layer_index (gimage, layer); layersD->layer_widgets = g_slist_insert (layersD->layer_widgets, layer_widget, position); gtk_list_insert_items (GTK_LIST (layersD->layer_list), item_list, position); } static void layers_dialog_remove_layer (Layer * layer) { LayerWidget *layer_widget; GList *list = NULL; layer_widget = layer_widget_get_ID (layer); if (!layersD || !layer_widget) return; /* Make sure the gimage is not notified of this change */ suspend_gimage_notify++; /* Remove the requested layer from the dialog */ list = g_list_append (list, layer_widget->list_item); gtk_list_remove_items (GTK_LIST (layersD->layer_list), list); /* Delete layer widget */ layer_widget_delete (layer_widget); suspend_gimage_notify--; } static void layers_dialog_add_layer_mask (Layer * layer) { LayerWidget *layer_widget; layer_widget = layer_widget_get_ID (layer); if (!layersD || !layer_widget) return; if (! GTK_WIDGET_VISIBLE (layer_widget->mask_preview)) gtk_widget_show (layer_widget->mask_preview); layer_widget->active_preview = MASK_PREVIEW; gtk_widget_draw (layer_widget->layer_preview, NULL); } static void layers_dialog_remove_layer_mask (Layer * layer) { LayerWidget *layer_widget; layer_widget = layer_widget_get_ID (layer); if (!layersD || !layer_widget) return; if (GTK_WIDGET_VISIBLE (layer_widget->mask_preview)) gtk_widget_hide (layer_widget->mask_preview); layer_widget->active_preview = LAYER_PREVIEW; gtk_widget_draw (layer_widget->layer_preview, NULL); } static void paint_mode_menu_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; Layer *layer; int mode; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; if (! (layer = (gimage->active_layer))) return; /* If the layer has an alpha channel, set the transparency and redraw */ if (layer_has_alpha (layer)) { mode = (long) client_data; if (layer->mode != mode) { layer->mode = mode; drawable_update (GIMP_DRAWABLE(layer), 0, 0, GIMP_DRAWABLE(layer)->width, GIMP_DRAWABLE(layer)->height); gdisplays_flush (); } } } static void image_menu_callback (GtkWidget *w, gpointer client_data) { if (!lc_shell) return; if (gimage_get_ID ((long) client_data) != NULL) { layers_dialog_update ((long) client_data); channels_dialog_update ((long) client_data); gdisplays_flush (); } } static void opacity_scale_update (GtkAdjustment *adjustment, gpointer data) { GImage *gimage; Layer *layer; int opacity; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; if (! (layer = (gimage->active_layer))) return; /* add the 0.001 to insure there are no subtle rounding errors */ opacity = (int) (adjustment->value * 2.55 + 0.001); if (layer->opacity != opacity) { layer->opacity = opacity; drawable_update (GIMP_DRAWABLE(layer), 0, 0, GIMP_DRAWABLE(layer)->width, GIMP_DRAWABLE(layer)->height); gdisplays_flush (); } } static void preserve_trans_update (GtkWidget *w, gpointer data) { GImage *gimage; Layer *layer; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; if (! (layer = (gimage->active_layer))) return; if (GTK_TOGGLE_BUTTON (w)->active) layer->preserve_trans = 1; else layer->preserve_trans = 0; } static gint layer_list_events (GtkWidget *widget, GdkEvent *event) { GdkEventKey *kevent; GdkEventButton *bevent; GtkWidget *event_widget; LayerWidget *layer_widget; event_widget = gtk_get_event_widget (event); if (GTK_IS_LIST_ITEM (event_widget)) { layer_widget = (LayerWidget *) gtk_object_get_user_data (GTK_OBJECT (event_widget)); switch (event->type) { case GDK_BUTTON_PRESS: bevent = (GdkEventButton *) event; if (bevent->button == 3 || bevent->button == 2) gtk_menu_popup (GTK_MENU (layersD->ops_menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time); break; case GDK_2BUTTON_PRESS: bevent = (GdkEventButton *) event; layers_dialog_edit_layer_query (layer_widget); return TRUE; case GDK_KEY_PRESS: kevent = (GdkEventKey *) event; switch (kevent->keyval) { case GDK_Up: /* printf ("up arrow\n"); */ break; case GDK_Down: /* printf ("down arrow\n"); */ break; default: return FALSE; } return TRUE; default: break; } } return FALSE; } /*****************************/ /* layers dialog callbacks */ /*****************************/ static void layers_dialog_map_callback (GtkWidget *w, gpointer client_data) { if (!layersD) return; gtk_window_add_accel_group (GTK_WINDOW (lc_shell), layersD->accel_group); } static void layers_dialog_unmap_callback (GtkWidget *w, gpointer client_data) { if (!layersD) return; gtk_window_remove_accel_group (GTK_WINDOW (lc_shell), layersD->accel_group); } static void layers_dialog_new_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; Layer *layer; /* if there is a currently selected gimage, request a new layer */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; /* If there is a floating selection, the new command transforms * the current fs into a new layer */ if ((layer = gimage_floating_sel (gimage))) { floating_sel_to_layer (layer); gdisplays_flush (); } else layers_dialog_new_layer_query (layersD->gimage_id); } static void layers_dialog_raise_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; gimage_raise_layer (gimage, gimage->active_layer); gdisplays_flush (); } static void layers_dialog_lower_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; gimage_lower_layer (gimage, gimage->active_layer); gdisplays_flush (); } static void layers_dialog_duplicate_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; Layer *active_layer; Layer *new_layer; /* if there is a currently selected gimage, request a new layer */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; /* Start a group undo */ undo_push_group_start (gimage, EDIT_PASTE_UNDO); active_layer = gimage_get_active_layer (gimage); new_layer = layer_copy (active_layer, TRUE); gimage_add_layer (gimage, new_layer, -1); /* end the group undo */ undo_push_group_end (gimage); gdisplays_flush (); } static void layers_dialog_delete_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; Layer *layer; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; if (! (layer = gimage_get_active_layer (gimage))) return; /* if the layer is a floating selection, take special care */ if (layer_is_floating_sel (layer)) floating_sel_remove (layer); else gimage_remove_layer (gimage, gimage->active_layer); gdisplays_flush (); } static void layers_dialog_scale_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; layers_dialog_scale_layer_query (gimage->active_layer); } static void layers_dialog_resize_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; layers_dialog_resize_layer_query (gimage->active_layer); } static void layers_dialog_add_layer_mask_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; layers_dialog_add_mask_query (gimage->active_layer); } static void layers_dialog_apply_layer_mask_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; Layer *layer; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; /* Make sure there is a layer mask to apply */ if ((layer = (gimage->active_layer)) != NULL) { if (layer->mask) layers_dialog_apply_mask_query (gimage->active_layer); } } static void layers_dialog_anchor_layer_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; floating_sel_anchor (gimage_get_active_layer (gimage)); gdisplays_flush (); } static void layers_dialog_merge_layers_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; layers_dialog_layer_merge_query (gimage, TRUE); } static void layers_dialog_flatten_image_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; gimage_flatten (gimage); gdisplays_flush (); } static void layers_dialog_alpha_select_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; gimage_mask_layer_alpha (gimage, gimage->active_layer); gdisplays_flush (); } static void layers_dialog_mask_select_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; gimage_mask_layer_mask (gimage, gimage->active_layer); gdisplays_flush (); } static void layers_dialog_add_alpha_channel_callback (GtkWidget *w, gpointer client_data) { GImage *gimage; Layer *layer; /* if there is a currently selected gimage */ if (!layersD) return; if (! (gimage = gimage_get_ID (layersD->gimage_id))) return; if (! (layer = gimage_get_active_layer (gimage))) return; /* Add an alpha channel */ layer_add_alpha (layer); gdisplays_flush (); } static gint lc_dialog_close_callback (GtkWidget *w, gpointer client_data) { if (layersD) layersD->gimage_id = -1; gtk_widget_hide (lc_shell); return TRUE; } /****************************/ /* layer widget functions */ /****************************/ static LayerWidget * layer_widget_get_ID (Layer * ID) { LayerWidget *lw; GSList *list; if (!layersD) return NULL; list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; if (lw->layer == ID) return lw; list = g_slist_next(list); } return NULL; } static LayerWidget * create_layer_widget (GImage *gimage, Layer *layer) { LayerWidget *layer_widget; GtkWidget *list_item; GtkWidget *hbox; GtkWidget *vbox; GtkWidget *alignment; list_item = gtk_list_item_new (); /* create the layer widget and add it to the list */ layer_widget = (LayerWidget *) g_malloc (sizeof (LayerWidget)); layer_widget->gimage = gimage; layer_widget->layer = layer; layer_widget->layer_preview = NULL; layer_widget->mask_preview = NULL; layer_widget->layer_pixmap = NULL; layer_widget->mask_pixmap = NULL; layer_widget->list_item = list_item; layer_widget->width = -1; layer_widget->height = -1; layer_widget->layer_mask = (layer->mask != NULL); layer_widget->apply_mask = layer->apply_mask; layer_widget->edit_mask = layer->edit_mask; layer_widget->show_mask = layer->show_mask; layer_widget->visited = TRUE; if (layer->mask) layer_widget->active_preview = (layer->edit_mask) ? MASK_PREVIEW : LAYER_PREVIEW; else layer_widget->active_preview = LAYER_PREVIEW; /* Need to let the list item know about the layer_widget */ gtk_object_set_user_data (GTK_OBJECT (list_item), layer_widget); /* set up the list item observer */ gtk_signal_connect (GTK_OBJECT (list_item), "select", (GtkSignalFunc) layer_widget_select_update, layer_widget); gtk_signal_connect (GTK_OBJECT (list_item), "deselect", (GtkSignalFunc) layer_widget_select_update, layer_widget); vbox = gtk_vbox_new (FALSE, 1); gtk_container_add (GTK_CONTAINER (list_item), vbox); hbox = gtk_hbox_new (FALSE, 1); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 1); /* Create the visibility toggle button */ alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); gtk_box_pack_start (GTK_BOX (hbox), alignment, FALSE, TRUE, 2); layer_widget->eye_widget = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (layer_widget->eye_widget), eye_width, eye_height); gtk_widget_set_events (layer_widget->eye_widget, BUTTON_EVENT_MASK); gtk_signal_connect (GTK_OBJECT (layer_widget->eye_widget), "event", (GtkSignalFunc) layer_widget_button_events, layer_widget); gtk_object_set_user_data (GTK_OBJECT (layer_widget->eye_widget), layer_widget); gtk_container_add (GTK_CONTAINER (alignment), layer_widget->eye_widget); gtk_widget_show (layer_widget->eye_widget); gtk_widget_show (alignment); /* Create the link toggle button */ alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); gtk_box_pack_start (GTK_BOX (hbox), alignment, FALSE, TRUE, 2); layer_widget->linked_widget = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (layer_widget->linked_widget), eye_width, eye_height); gtk_widget_set_events (layer_widget->linked_widget, BUTTON_EVENT_MASK); gtk_signal_connect (GTK_OBJECT (layer_widget->linked_widget), "event", (GtkSignalFunc) layer_widget_button_events, layer_widget); gtk_object_set_user_data (GTK_OBJECT (layer_widget->linked_widget), layer_widget); gtk_container_add (GTK_CONTAINER (alignment), layer_widget->linked_widget); gtk_widget_show (layer_widget->linked_widget); gtk_widget_show (alignment); alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); gtk_box_pack_start (GTK_BOX (hbox), alignment, FALSE, FALSE, 2); gtk_widget_show (alignment); layer_widget->layer_preview = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (layer_widget->layer_preview), layersD->image_width + 4, layersD->image_height + 4); gtk_widget_set_events (layer_widget->layer_preview, PREVIEW_EVENT_MASK); gtk_signal_connect (GTK_OBJECT (layer_widget->layer_preview), "event", (GtkSignalFunc) layer_widget_preview_events, layer_widget); gtk_object_set_user_data (GTK_OBJECT (layer_widget->layer_preview), layer_widget); gtk_container_add (GTK_CONTAINER (alignment), layer_widget->layer_preview); gtk_widget_show (layer_widget->layer_preview); alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); gtk_box_pack_start (GTK_BOX (hbox), alignment, FALSE, FALSE, 2); gtk_widget_show (alignment); layer_widget->mask_preview = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (layer_widget->mask_preview), layersD->image_width + 4, layersD->image_height + 4); gtk_widget_set_events (layer_widget->mask_preview, PREVIEW_EVENT_MASK); gtk_signal_connect (GTK_OBJECT (layer_widget->mask_preview), "event", (GtkSignalFunc) layer_widget_preview_events, layer_widget); gtk_object_set_user_data (GTK_OBJECT (layer_widget->mask_preview), layer_widget); gtk_container_add (GTK_CONTAINER (alignment), layer_widget->mask_preview); if (layer->mask != NULL) gtk_widget_show (layer_widget->mask_preview); /* the layer name label */ if (layer_is_floating_sel (layer)) layer_widget->label = gtk_label_new ("Floating Selection"); else layer_widget->label = gtk_label_new (GIMP_DRAWABLE(layer)->name); gtk_box_pack_start (GTK_BOX (hbox), layer_widget->label, FALSE, FALSE, 2); gtk_widget_show (layer_widget->label); layer_widget->clip_widget = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (layer_widget->clip_widget), 1, 2); gtk_widget_set_events (layer_widget->clip_widget, BUTTON_EVENT_MASK); gtk_signal_connect (GTK_OBJECT (layer_widget->clip_widget), "event", (GtkSignalFunc) layer_widget_button_events, layer_widget); gtk_object_set_user_data (GTK_OBJECT (layer_widget->clip_widget), layer_widget); gtk_box_pack_start (GTK_BOX (vbox), layer_widget->clip_widget, FALSE, FALSE, 0); /* gtk_widget_show (layer_widget->clip_widget); */ gtk_widget_show (hbox); gtk_widget_show (vbox); gtk_widget_show (list_item); gtk_widget_ref (layer_widget->list_item); return layer_widget; } static void layer_widget_delete (LayerWidget *layer_widget) { if (layer_widget->layer_pixmap) gdk_pixmap_unref (layer_widget->layer_pixmap); if (layer_widget->mask_pixmap) gdk_pixmap_unref (layer_widget->mask_pixmap); /* Remove the layer widget from the list */ layersD->layer_widgets = g_slist_remove (layersD->layer_widgets, layer_widget); /* Release the widget */ gtk_widget_unref (layer_widget->list_item); g_free (layer_widget); } static void layer_widget_select_update (GtkWidget *w, gpointer data) { LayerWidget *layer_widget; if ((layer_widget = (LayerWidget *) data) == NULL) return; /* Is the list item being selected? */ if (w->state != GTK_STATE_SELECTED) return; /* Only notify the gimage of an active layer change if necessary */ if (suspend_gimage_notify == 0) { /* set the gimage's active layer to be this layer */ gimage_set_active_layer (layer_widget->gimage, layer_widget->layer); gdisplays_flush (); } } static gint layer_widget_button_events (GtkWidget *widget, GdkEvent *event) { static int button_down = 0; static GtkWidget *click_widget = NULL; static int old_state; static int exclusive; LayerWidget *layer_widget; GtkWidget *event_widget; GdkEventButton *bevent; gint return_val; layer_widget = (LayerWidget *) gtk_object_get_user_data (GTK_OBJECT (widget)); return_val = FALSE; switch (event->type) { case GDK_EXPOSE: if (widget == layer_widget->eye_widget) layer_widget_eye_redraw (layer_widget); else if (widget == layer_widget->linked_widget) layer_widget_linked_redraw (layer_widget); else if (widget == layer_widget->clip_widget) layer_widget_clip_redraw (layer_widget); break; case GDK_BUTTON_PRESS: return_val = TRUE; bevent = (GdkEventButton *) event; if (bevent->button == 3) { gtk_menu_popup (GTK_MENU (layersD->ops_menu), NULL, NULL, NULL, NULL, 3, bevent->time); return TRUE; } button_down = 1; click_widget = widget; gtk_grab_add (click_widget); if (widget == layer_widget->eye_widget) { old_state = GIMP_DRAWABLE(layer_widget->layer)->visible; /* If this was a shift-click, make all/none visible */ if (event->button.state & GDK_SHIFT_MASK) { exclusive = TRUE; layer_widget_exclusive_visible (layer_widget); } else { exclusive = FALSE; GIMP_DRAWABLE(layer_widget->layer)->visible = !GIMP_DRAWABLE(layer_widget->layer)->visible; layer_widget_eye_redraw (layer_widget); } } else if (widget == layer_widget->linked_widget) { old_state = layer_widget->layer->linked; layer_widget->layer->linked = !layer_widget->layer->linked; layer_widget_linked_redraw (layer_widget); } break; case GDK_BUTTON_RELEASE: return_val = TRUE; button_down = 0; gtk_grab_remove (click_widget); if (widget == layer_widget->eye_widget) { if (exclusive) { gimage_invalidate_preview (layer_widget->gimage); gdisplays_update_area (layer_widget->gimage->ID, 0, 0, layer_widget->gimage->width, layer_widget->gimage->height); gdisplays_flush (); } else if (old_state != GIMP_DRAWABLE(layer_widget->layer)->visible) { /* Invalidate the gimage preview */ drawable_update (GIMP_DRAWABLE(layer_widget->layer), 0, 0, GIMP_DRAWABLE(layer_widget->layer)->width, GIMP_DRAWABLE(layer_widget->layer)->height); gdisplays_flush (); } } else if ((widget == layer_widget->linked_widget) && (old_state != layer_widget->layer->linked)) { } break; case GDK_ENTER_NOTIFY: case GDK_LEAVE_NOTIFY: event_widget = gtk_get_event_widget (event); if (button_down && (event_widget == click_widget)) { if (widget == layer_widget->eye_widget) { if (exclusive) { layer_widget_exclusive_visible (layer_widget); } else { GIMP_DRAWABLE(layer_widget->layer)->visible = !GIMP_DRAWABLE(layer_widget->layer)->visible; layer_widget_eye_redraw (layer_widget); } } else if (widget == layer_widget->linked_widget) { layer_widget->layer->linked = !layer_widget->layer->linked; layer_widget_linked_redraw (layer_widget); } } break; default: break; } return return_val; } static gint layer_widget_preview_events (GtkWidget *widget, GdkEvent *event) { GdkEventExpose *eevent; GdkPixmap **pixmap; GdkEventButton *bevent; LayerWidget *layer_widget; int valid; int preview_type; int sx, sy, dx, dy, w, h; pixmap = NULL; valid = FALSE; layer_widget = (LayerWidget *) gtk_object_get_user_data (GTK_OBJECT (widget)); if (widget == layer_widget->layer_preview) preview_type = LAYER_PREVIEW; else if (widget == layer_widget->mask_preview && GTK_WIDGET_VISIBLE (widget)) preview_type = MASK_PREVIEW; else return FALSE; switch (preview_type) { case LAYER_PREVIEW: pixmap = &layer_widget->layer_pixmap; valid = GIMP_DRAWABLE(layer_widget->layer)->preview_valid; break; case MASK_PREVIEW: pixmap = &layer_widget->mask_pixmap; valid = GIMP_DRAWABLE(layer_widget->layer->mask)->preview_valid; break; } if (layer_is_floating_sel (layer_widget->layer)) preview_type = FS_PREVIEW; switch (event->type) { case GDK_BUTTON_PRESS: /* Control-button press disables the application of the mask */ bevent = (GdkEventButton *) event; if (bevent->button == 3) { gtk_menu_popup (GTK_MENU (layersD->ops_menu), NULL, NULL, NULL, NULL, 3, bevent->time); return TRUE; } if (event->button.state & GDK_CONTROL_MASK) { if (preview_type == MASK_PREVIEW) { gimage_set_layer_mask_apply (layer_widget->gimage, GIMP_DRAWABLE(layer_widget->layer)->ID); gdisplays_flush (); } } /* Alt-button press makes the mask visible instead of the layer */ else if (event->button.state & GDK_MOD1_MASK) { if (preview_type == MASK_PREVIEW) { gimage_set_layer_mask_show (layer_widget->gimage, GIMP_DRAWABLE(layer_widget->layer)->ID); gdisplays_flush (); } } else if (layer_widget->active_preview != preview_type) { gimage_set_layer_mask_edit (layer_widget->gimage, layer_widget->layer, (preview_type == MASK_PREVIEW) ? 1 : 0); gdisplays_flush (); } break; case GDK_EXPOSE: if (!preview_size && preview_type != FS_PREVIEW) layer_widget_no_preview_redraw (layer_widget, preview_type); else { if (!valid || !*pixmap) { layer_widget_preview_redraw (layer_widget, preview_type); gdk_draw_pixmap (widget->window, widget->style->black_gc, *pixmap, 0, 0, 2, 2, layersD->image_width, layersD->image_height); } else { eevent = (GdkEventExpose *) event; w = eevent->area.width; h = eevent->area.height; if (eevent->area.x < 2) { sx = eevent->area.x; dx = 2; w -= (2 - eevent->area.x); } else { sx = eevent->area.x - 2; dx = eevent->area.x; } if (eevent->area.y < 2) { sy = eevent->area.y; dy = 2; h -= (2 - eevent->area.y); } else { sy = eevent->area.y - 2; dy = eevent->area.y; } if ((sx + w) >= layersD->image_width) w = layersD->image_width - sx; if ((sy + h) >= layersD->image_height) h = layersD->image_height - sy; if ((w > 0) && (h > 0)) gdk_draw_pixmap (widget->window, widget->style->black_gc, *pixmap, sx, sy, dx, dy, w, h); } } /* The boundary indicating whether layer or mask is active */ layer_widget_boundary_redraw (layer_widget, preview_type); break; default: break; } return FALSE; } static void layer_widget_boundary_redraw (LayerWidget *layer_widget, int preview_type) { GtkWidget *widget; GdkGC *gc1, *gc2; GtkStateType state; if (preview_type == LAYER_PREVIEW) widget = layer_widget->layer_preview; else if (preview_type == MASK_PREVIEW) widget = layer_widget->mask_preview; else return; state = layer_widget->list_item->state; if (state == GTK_STATE_SELECTED) { if (layer_widget->active_preview == preview_type) gc1 = layer_widget->layer_preview->style->white_gc; else gc1 = layer_widget->layer_preview->style->bg_gc[GTK_STATE_SELECTED]; } else { if (layer_widget->active_preview == preview_type) gc1 = layer_widget->layer_preview->style->black_gc; else gc1 = layer_widget->layer_preview->style->white_gc; } gc2 = gc1; if (preview_type == MASK_PREVIEW) { if (layersD->green_gc == NULL) { GdkColor green; green.pixel = get_color (0, 255, 0); layersD->green_gc = gdk_gc_new (widget->window); gdk_gc_set_foreground (layersD->green_gc, &green); } if (layersD->red_gc == NULL) { GdkColor red; red.pixel = get_color (255, 0, 0); layersD->red_gc = gdk_gc_new (widget->window); gdk_gc_set_foreground (layersD->red_gc, &red); } if (layer_widget->layer->show_mask) gc2 = layersD->green_gc; else if (! layer_widget->layer->apply_mask) gc2 = layersD->red_gc; } gdk_draw_rectangle (widget->window, gc1, FALSE, 0, 0, layersD->image_width + 3, layersD->image_height + 3); gdk_draw_rectangle (widget->window, gc2, FALSE, 1, 1, layersD->image_width + 1, layersD->image_height + 1); } static void layer_widget_preview_redraw (LayerWidget *layer_widget, int preview_type) { TempBuf *preview_buf; GdkPixmap **pixmap; GtkWidget *widget; int offx, offy; preview_buf = NULL; pixmap = NULL; widget = NULL; switch (preview_type) { case LAYER_PREVIEW: case FS_PREVIEW: widget = layer_widget->layer_preview; pixmap = &layer_widget->layer_pixmap; break; case MASK_PREVIEW: widget = layer_widget->mask_preview; pixmap = &layer_widget->mask_pixmap; break; } /* allocate the layer widget pixmap */ if (! *pixmap) *pixmap = gdk_pixmap_new (widget->window, layersD->image_width, layersD->image_height, -1); /* If this is a floating selection preview, draw the preview */ if (preview_type == FS_PREVIEW) render_fs_preview (widget, *pixmap); /* otherwise, ask the layer or mask for the preview */ else { /* determine width and height */ layer_widget->width = (int) (layersD->ratio * GIMP_DRAWABLE(layer_widget->layer)->width); layer_widget->height = (int) (layersD->ratio * GIMP_DRAWABLE(layer_widget->layer)->height); if (layer_widget->width < 1) layer_widget->width = 1; if (layer_widget->height < 1) layer_widget->height = 1; offx = (int) (layersD->ratio * GIMP_DRAWABLE(layer_widget->layer)->offset_x); offy = (int) (layersD->ratio * GIMP_DRAWABLE(layer_widget->layer)->offset_y); switch (preview_type) { case LAYER_PREVIEW: preview_buf = layer_preview (layer_widget->layer, layer_widget->width, layer_widget->height); break; case MASK_PREVIEW: preview_buf = layer_mask_preview (layer_widget->layer, layer_widget->width, layer_widget->height); break; } preview_buf->x = offx; preview_buf->y = offy; render_preview (preview_buf, layersD->layer_preview, layersD->image_width, layersD->image_height, -1); gtk_preview_put (GTK_PREVIEW (layersD->layer_preview), *pixmap, widget->style->black_gc, 0, 0, 0, 0, layersD->image_width, layersD->image_height); /* make sure the image has been transfered completely to the pixmap before * we use it again... */ gdk_flush (); } } static void layer_widget_no_preview_redraw (LayerWidget *layer_widget, int preview_type) { GdkPixmap *pixmap; GdkPixmap **pixmap_normal; GdkPixmap **pixmap_selected; GdkPixmap **pixmap_insensitive; GdkColor *color; GtkWidget *widget; GtkStateType state; gchar *bits; int width, height; pixmap_normal = NULL; pixmap_selected = NULL; pixmap_insensitive = NULL; widget = NULL; bits = NULL; width = 0; height = 0; state = layer_widget->list_item->state; switch (preview_type) { case LAYER_PREVIEW: widget = layer_widget->layer_preview; pixmap_normal = &layer_pixmap[NORMAL]; pixmap_selected = &layer_pixmap[SELECTED]; pixmap_insensitive = &layer_pixmap[INSENSITIVE]; bits = (gchar *) layer_bits; width = layer_width; height = layer_height; break; case MASK_PREVIEW: widget = layer_widget->mask_preview; pixmap_normal = &mask_pixmap[NORMAL]; pixmap_selected = &mask_pixmap[SELECTED]; pixmap_insensitive = &mask_pixmap[INSENSITIVE]; bits = (gchar *) mask_bits; width = mask_width; height = mask_height; break; } if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) { if (state == GTK_STATE_SELECTED) color = &widget->style->bg[GTK_STATE_SELECTED]; else color = &widget->style->white; } else color = &widget->style->bg[GTK_STATE_INSENSITIVE]; gdk_window_set_background (widget->window, color); if (!*pixmap_normal) { *pixmap_normal = gdk_pixmap_create_from_data (widget->window, bits, width, height, -1, &widget->style->fg[GTK_STATE_SELECTED], &widget->style->bg[GTK_STATE_SELECTED]); *pixmap_selected = gdk_pixmap_create_from_data (widget->window, bits, width, height, -1, &widget->style->fg[GTK_STATE_NORMAL], &widget->style->white); *pixmap_insensitive = gdk_pixmap_create_from_data (widget->window, bits, width, height, -1, &widget->style->fg[GTK_STATE_INSENSITIVE], &widget->style->bg[GTK_STATE_INSENSITIVE]); } if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) { if (state == GTK_STATE_SELECTED) pixmap = *pixmap_selected; else pixmap = *pixmap_normal; } else pixmap = *pixmap_insensitive; gdk_draw_pixmap (widget->window, widget->style->black_gc, pixmap, 0, 0, 2, 2, width, height); } static void layer_widget_eye_redraw (LayerWidget *layer_widget) { GdkPixmap *pixmap; GdkColor *color; GtkStateType state; state = layer_widget->list_item->state; if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) { if (state == GTK_STATE_SELECTED) color = &layer_widget->eye_widget->style->bg[GTK_STATE_SELECTED]; else color = &layer_widget->eye_widget->style->white; } else color = &layer_widget->eye_widget->style->bg[GTK_STATE_INSENSITIVE]; gdk_window_set_background (layer_widget->eye_widget->window, color); if (GIMP_DRAWABLE(layer_widget->layer)->visible) { if (!eye_pixmap[NORMAL]) { eye_pixmap[NORMAL] = gdk_pixmap_create_from_data (layer_widget->eye_widget->window, (gchar*) eye_bits, eye_width, eye_height, -1, &layer_widget->eye_widget->style->fg[GTK_STATE_NORMAL], &layer_widget->eye_widget->style->white); eye_pixmap[SELECTED] = gdk_pixmap_create_from_data (layer_widget->eye_widget->window, (gchar*) eye_bits, eye_width, eye_height, -1, &layer_widget->eye_widget->style->fg[GTK_STATE_SELECTED], &layer_widget->eye_widget->style->bg[GTK_STATE_SELECTED]); eye_pixmap[INSENSITIVE] = gdk_pixmap_create_from_data (layer_widget->eye_widget->window, (gchar*) eye_bits, eye_width, eye_height, -1, &layer_widget->eye_widget->style->fg[GTK_STATE_INSENSITIVE], &layer_widget->eye_widget->style->bg[GTK_STATE_INSENSITIVE]); } if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) { if (state == GTK_STATE_SELECTED) pixmap = eye_pixmap[SELECTED]; else pixmap = eye_pixmap[NORMAL]; } else pixmap = eye_pixmap[INSENSITIVE]; gdk_draw_pixmap (layer_widget->eye_widget->window, layer_widget->eye_widget->style->black_gc, pixmap, 0, 0, 0, 0, eye_width, eye_height); } else { gdk_window_clear (layer_widget->eye_widget->window); } } static void layer_widget_linked_redraw (LayerWidget *layer_widget) { GdkPixmap *pixmap; GdkColor *color; GtkStateType state; state = layer_widget->list_item->state; if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) { if (state == GTK_STATE_SELECTED) color = &layer_widget->linked_widget->style->bg[GTK_STATE_SELECTED]; else color = &layer_widget->linked_widget->style->white; } else color = &layer_widget->linked_widget->style->bg[GTK_STATE_INSENSITIVE]; gdk_window_set_background (layer_widget->linked_widget->window, color); if (layer_widget->layer->linked) { if (!linked_pixmap[NORMAL]) { linked_pixmap[NORMAL] = gdk_pixmap_create_from_data (layer_widget->linked_widget->window, (gchar*) linked_bits, linked_width, linked_height, -1, &layer_widget->linked_widget->style->fg[GTK_STATE_NORMAL], &layer_widget->linked_widget->style->white); linked_pixmap[SELECTED] = gdk_pixmap_create_from_data (layer_widget->linked_widget->window, (gchar*) linked_bits, linked_width, linked_height, -1, &layer_widget->linked_widget->style->fg[GTK_STATE_SELECTED], &layer_widget->linked_widget->style->bg[GTK_STATE_SELECTED]); linked_pixmap[INSENSITIVE] = gdk_pixmap_create_from_data (layer_widget->linked_widget->window, (gchar*) linked_bits, linked_width, linked_height, -1, &layer_widget->linked_widget->style->fg[GTK_STATE_INSENSITIVE], &layer_widget->linked_widget->style->bg[GTK_STATE_INSENSITIVE]); } if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) { if (state == GTK_STATE_SELECTED) pixmap = linked_pixmap[SELECTED]; else pixmap = linked_pixmap[NORMAL]; } else pixmap = linked_pixmap[INSENSITIVE]; gdk_draw_pixmap (layer_widget->linked_widget->window, layer_widget->linked_widget->style->black_gc, pixmap, 0, 0, 0, 0, linked_width, linked_height); } else { gdk_window_clear (layer_widget->linked_widget->window); } } static void layer_widget_clip_redraw (LayerWidget *layer_widget) { GdkColor *color; GtkStateType state; state = layer_widget->list_item->state; color = &layer_widget->clip_widget->style->fg[state]; gdk_window_set_background (layer_widget->clip_widget->window, color); gdk_window_clear (layer_widget->clip_widget->window); } static void layer_widget_exclusive_visible (LayerWidget *layer_widget) { GSList *list; LayerWidget *lw; int visible = FALSE; if (!layersD) return; /* First determine if _any_ other layer widgets are set to visible */ list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; if (lw != layer_widget) visible |= GIMP_DRAWABLE(lw->layer)->visible; list = g_slist_next (list); } /* Now, toggle the visibility for all layers except the specified one */ list = layersD->layer_widgets; while (list) { lw = (LayerWidget *) list->data; if (lw != layer_widget) GIMP_DRAWABLE(lw->layer)->visible = !visible; else GIMP_DRAWABLE(lw->layer)->visible = TRUE; layer_widget_eye_redraw (lw); list = g_slist_next (list); } } static void layer_widget_layer_flush (GtkWidget *widget, gpointer client_data) { LayerWidget *layer_widget; Layer *layer; char *name; char *label_name; int update_layer_preview = FALSE; int update_mask_preview = FALSE; layer_widget = (LayerWidget *) gtk_object_get_user_data (GTK_OBJECT (widget)); layer = layer_widget->layer; /* Set sensitivity */ /* to false if there is a floating selection, and this aint it */ if (! layer_is_floating_sel (layer_widget->layer) && layersD->floating_sel != NULL) { if (GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) gtk_widget_set_sensitive (layer_widget->list_item, FALSE); } /* to true if there is a floating selection, and this is it */ if (layer_is_floating_sel (layer_widget->layer) && layersD->floating_sel != NULL) { if (! GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) gtk_widget_set_sensitive (layer_widget->list_item, TRUE); } /* to true if there is not floating selection */ else if (layersD->floating_sel == NULL) { if (! GTK_WIDGET_IS_SENSITIVE (layer_widget->list_item)) gtk_widget_set_sensitive (layer_widget->list_item, TRUE); } /* if there is an active channel, unselect layer */ if (layersD->active_channel != NULL) layers_dialog_unset_layer (layer_widget->layer); /* otherwise, if this is the active layer, set */ else if (layersD->active_layer == layer_widget->layer) { layers_dialog_set_active_layer (layersD->active_layer); /* set the data widgets to reflect this layer's values * 1) The opacity slider * 2) The paint mode menu * 3) The preserve trans button */ layersD->opacity_data->value = (gfloat) layer_widget->layer->opacity / 2.55; gtk_signal_emit_by_name (GTK_OBJECT (layersD->opacity_data), "value_changed"); gtk_option_menu_set_history (GTK_OPTION_MENU (layersD->mode_option_menu), /* Kludge to deal with the absence of behind */ ((layer_widget->layer->mode > BEHIND_MODE) ? layer_widget->layer->mode - 1 : layer_widget->layer->mode)); gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (layersD->preserve_trans), (layer_widget->layer->preserve_trans) ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL); } if (layer_is_floating_sel (layer_widget->layer)) name = "Floating Selection"; else name = GIMP_DRAWABLE(layer_widget->layer)->name; /* we need to set the name label if necessary */ gtk_label_get (GTK_LABEL (layer_widget->label), &label_name); if (strcmp (name, label_name)) gtk_label_set (GTK_LABEL (layer_widget->label), name); /* show the layer mask preview if necessary */ if (layer_widget->layer->mask == NULL && layer_widget->layer_mask) { layer_widget->layer_mask = FALSE; layers_dialog_remove_layer_mask (layer_widget->layer); } else if (layer_widget->layer->mask != NULL && !layer_widget->layer_mask) { layer_widget->layer_mask = TRUE; layers_dialog_add_layer_mask (layer_widget->layer); } /* Update the previews */ update_layer_preview = (! GIMP_DRAWABLE(layer)->preview_valid); if (layer->mask) { update_mask_preview = (! GIMP_DRAWABLE(layer->mask)->preview_valid); if (layer->apply_mask != layer_widget->apply_mask) { layer_widget->apply_mask = layer->apply_mask; update_mask_preview = TRUE; } if (layer->show_mask != layer_widget->show_mask) { layer_widget->show_mask = layer->show_mask; update_mask_preview = TRUE; } if (layer->edit_mask != layer_widget->edit_mask) { layer_widget->edit_mask = layer->edit_mask; if (layer->edit_mask == TRUE) layer_widget->active_preview = MASK_PREVIEW; else layer_widget->active_preview = LAYER_PREVIEW; /* The boundary indicating whether layer or mask is active */ layer_widget_boundary_redraw (layer_widget, LAYER_PREVIEW); layer_widget_boundary_redraw (layer_widget, MASK_PREVIEW); } } if (update_layer_preview) gtk_widget_draw (layer_widget->layer_preview, NULL); if (update_mask_preview) gtk_widget_draw (layer_widget->mask_preview, NULL); } /* * The new layer query dialog */ typedef struct _NewLayerOptions NewLayerOptions; struct _NewLayerOptions { GtkWidget *query_box; GtkWidget *name_entry; GtkWidget *xsize_entry; GtkWidget *ysize_entry; int fill_type; int xsize; int ysize; int gimage_id; }; static int fill_type = TRANSPARENT_FILL; static char *layer_name = NULL; static void new_layer_query_ok_callback (GtkWidget *w, gpointer client_data) { NewLayerOptions *options; Layer *layer; GImage *gimage; options = (NewLayerOptions *) client_data; if (layer_name) g_free (layer_name); layer_name = g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry))); fill_type = options->fill_type; options->xsize = atoi (gtk_entry_get_text (GTK_ENTRY (options->xsize_entry))); options->ysize = atoi (gtk_entry_get_text (GTK_ENTRY (options->ysize_entry))); if ((gimage = gimage_get_ID (options->gimage_id))) { /* Start a group undo */ undo_push_group_start (gimage, EDIT_PASTE_UNDO); layer = layer_new (gimage->ID, options->xsize, options->ysize, gimage_base_type_with_alpha (gimage), layer_name, OPAQUE_OPACITY, NORMAL_MODE); if (layer) { drawable_fill (GIMP_DRAWABLE(layer), fill_type); gimage_add_layer (gimage, layer, -1); /* Endx the group undo */ undo_push_group_end (gimage); gdisplays_flush (); } else { g_message ("new_layer_query_ok_callback: could not allocate new layer"); } } gtk_widget_destroy (options->query_box); g_free (options); } static void new_layer_query_cancel_callback (GtkWidget *w, gpointer client_data) { NewLayerOptions *options; options = (NewLayerOptions *) client_data; gtk_widget_destroy (options->query_box); g_free (options); } static gint new_layer_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { new_layer_query_cancel_callback (w, client_data); return TRUE; } static void new_layer_background_callback (GtkWidget *w, gpointer client_data) { NewLayerOptions *options; options = (NewLayerOptions *) client_data; options->fill_type = BACKGROUND_FILL; } static void new_layer_white_callback (GtkWidget *w, gpointer client_data) { NewLayerOptions *options; options = (NewLayerOptions *) client_data; options->fill_type = WHITE_FILL; } static void new_layer_transparent_callback (GtkWidget *w, gpointer client_data) { NewLayerOptions *options; options = (NewLayerOptions *) client_data; options->fill_type = TRANSPARENT_FILL; } static void layers_dialog_new_layer_query (int gimage_id) { static ActionAreaItem action_items[2] = { { "OK", new_layer_query_ok_callback, NULL, NULL }, { "Cancel", new_layer_query_cancel_callback, NULL, NULL } }; GImage *gimage; NewLayerOptions *options; GtkWidget *vbox; GtkWidget *table; GtkWidget *label; GtkWidget *radio_frame; GtkWidget *radio_box; GtkWidget *radio_button; GSList *group = NULL; int i; char size[12]; char *button_names[3] = { "Background", "White", "Transparent" }; ActionCallback button_callbacks[3] = { new_layer_background_callback, new_layer_white_callback, new_layer_transparent_callback }; gimage = gimage_get_ID (gimage_id); /* the new options structure */ options = (NewLayerOptions *) g_malloc (sizeof (NewLayerOptions)); options->fill_type = fill_type; options->gimage_id = gimage_id; /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "new_layer_options", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "New Layer Options"); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* handle the wm close signal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (new_layer_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); table = gtk_table_new (3, 2, FALSE); gtk_box_pack_start (GTK_BOX (vbox), table, TRUE, TRUE, 0); /* the name entry hbox, label and entry */ label = gtk_label_new ("Layer name:"); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1, GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 1); gtk_widget_show (label); options->name_entry = gtk_entry_new (); gtk_widget_set_usize (options->name_entry, 75, 0); gtk_table_attach (GTK_TABLE (table), options->name_entry, 1, 2, 0, 1, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_SHRINK, 1, 1); gtk_entry_set_text (GTK_ENTRY (options->name_entry), (layer_name ? layer_name : "New Layer")); gtk_widget_show (options->name_entry); /* the xsize entry hbox, label and entry */ sprintf (size, "%d", gimage->width); label = gtk_label_new ("Layer width:"); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2, GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 1); gtk_widget_show (label); options->xsize_entry = gtk_entry_new (); gtk_widget_set_usize (options->xsize_entry, 75, 0); gtk_table_attach (GTK_TABLE (table), options->xsize_entry, 1, 2, 1, 2, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_SHRINK, 1, 1); gtk_entry_set_text (GTK_ENTRY (options->xsize_entry), size); gtk_widget_show (options->xsize_entry); /* the ysize entry hbox, label and entry */ sprintf (size, "%d", gimage->height); label = gtk_label_new ("Layer height:"); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3, GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 1); gtk_widget_show (label); options->ysize_entry = gtk_entry_new (); gtk_widget_set_usize (options->ysize_entry, 75, 0); gtk_table_attach (GTK_TABLE (table), options->ysize_entry, 1, 2, 2, 3, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_SHRINK, 1, 1); gtk_entry_set_text (GTK_ENTRY (options->ysize_entry), size); gtk_widget_show (options->ysize_entry); gtk_widget_show (table); /* the radio frame and box */ radio_frame = gtk_frame_new ("Layer Fill Type"); gtk_box_pack_start (GTK_BOX (vbox), radio_frame, FALSE, FALSE, 0); radio_box = gtk_vbox_new (FALSE, 1); gtk_container_add (GTK_CONTAINER (radio_frame), radio_box); /* the radio buttons */ for (i = 0; i < 3; i++) { radio_button = gtk_radio_button_new_with_label (group, button_names[i]); group = gtk_radio_button_group (GTK_RADIO_BUTTON (radio_button)); gtk_box_pack_start (GTK_BOX (radio_box), radio_button, FALSE, FALSE, 0); gtk_signal_connect (GTK_OBJECT (radio_button), "toggled", (GtkSignalFunc) button_callbacks[i], options); /* set the correct radio button */ if (i == options->fill_type) gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (radio_button), TRUE); gtk_widget_show (radio_button); } gtk_widget_show (radio_box); gtk_widget_show (radio_frame); action_items[0].user_data = options; action_items[1].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 2, 0); gtk_widget_show (vbox); gtk_widget_show (options->query_box); } /* * The edit layer attributes dialog */ typedef struct _EditLayerOptions EditLayerOptions; struct _EditLayerOptions { GtkWidget *query_box; GtkWidget *name_entry; int layer_ID; }; static void edit_layer_query_ok_callback (GtkWidget *w, gpointer client_data) { EditLayerOptions *options; Layer *layer; options = (EditLayerOptions *) client_data; if ((layer = layer_get_ID (options->layer_ID))) { /* Set the new layer name */ if (GIMP_DRAWABLE(layer)->name) { /* If the layer is a floating selection, make it a channel */ if (layer_is_floating_sel (layer)) { floating_sel_to_layer (layer); } g_free (GIMP_DRAWABLE(layer)->name); } GIMP_DRAWABLE(layer)->name = g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry))); } gdisplays_flush (); gtk_widget_destroy (options->query_box); g_free (options); } static void edit_layer_query_cancel_callback (GtkWidget *w, gpointer client_data) { EditLayerOptions *options; options = (EditLayerOptions *) client_data; gtk_widget_destroy (options->query_box); g_free (options); } static gint edit_layer_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { edit_layer_query_cancel_callback (w, client_data); return TRUE; } static void layers_dialog_edit_layer_query (LayerWidget *layer_widget) { static ActionAreaItem action_items[2] = { { "OK", edit_layer_query_ok_callback, NULL, NULL }, { "Cancel", edit_layer_query_cancel_callback, NULL, NULL } }; EditLayerOptions *options; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *label; /* the new options structure */ options = (EditLayerOptions *) g_malloc (sizeof (EditLayerOptions)); options->layer_ID = drawable_ID (GIMP_DRAWABLE (layer_widget->layer)); /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "edit_layer_attrributes", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "Edit Layer Attributes"); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* handle the wm close signal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (edit_layer_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); /* the name entry hbox, label and entry */ hbox = gtk_hbox_new (FALSE, 1); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); label = gtk_label_new ("Layer name:"); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); options->name_entry = gtk_entry_new (); gtk_box_pack_start (GTK_BOX (hbox), options->name_entry, TRUE, TRUE, 0); gtk_entry_set_text (GTK_ENTRY (options->name_entry), ((layer_is_floating_sel (layer_widget->layer) ? "Floating Selection" : GIMP_DRAWABLE(layer_widget->layer)->name))); gtk_widget_show (options->name_entry); gtk_widget_show (hbox); action_items[0].user_data = options; action_items[1].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 2, 0); gtk_widget_show (vbox); gtk_widget_show (options->query_box); } /* * The add mask query dialog */ typedef struct _AddMaskOptions AddMaskOptions; struct _AddMaskOptions { GtkWidget *query_box; Layer * layer; AddMaskType add_mask_type; }; static void add_mask_query_ok_callback (GtkWidget *w, gpointer client_data) { AddMaskOptions *options; GImage *gimage; LayerMask *mask; Layer *layer; options = (AddMaskOptions *) client_data; if ((layer = (options->layer)) && (gimage = gimage_get_ID (GIMP_DRAWABLE(layer)->gimage_ID))) { mask = layer_create_mask (layer, options->add_mask_type); gimage_add_layer_mask (gimage, layer, mask); gdisplays_flush (); } gtk_widget_destroy (options->query_box); g_free (options); } static void add_mask_query_cancel_callback (GtkWidget *w, gpointer client_data) { AddMaskOptions *options; options = (AddMaskOptions *) client_data; gtk_widget_destroy (options->query_box); g_free (options); } static gint add_mask_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { add_mask_query_cancel_callback (w, client_data); return TRUE; } static void fill_white_callback (GtkWidget *w, gpointer client_data) { AddMaskOptions *options; options = (AddMaskOptions *) client_data; options->add_mask_type = WhiteMask; } static void fill_black_callback (GtkWidget *w, gpointer client_data) { AddMaskOptions *options; options = (AddMaskOptions *) client_data; options->add_mask_type = BlackMask; } static void fill_alpha_callback (GtkWidget *w, gpointer client_data) { AddMaskOptions *options; options = (AddMaskOptions *) client_data; options->add_mask_type = AlphaMask; } static void layers_dialog_add_mask_query (Layer *layer) { static ActionAreaItem action_items[2] = { { "OK", add_mask_query_ok_callback, NULL, NULL }, { "Cancel", add_mask_query_cancel_callback, NULL, NULL } }; AddMaskOptions *options; GtkWidget *vbox; GtkWidget *label; GtkWidget *radio_frame; GtkWidget *radio_box; GtkWidget *radio_button; GSList *group = NULL; int i; char *button_names[3] = { "White (Full Opacity)", "Black (Full Transparency)", "Layer's Alpha Channel" }; ActionCallback button_callbacks[3] = { fill_white_callback, fill_black_callback, fill_alpha_callback }; /* the new options structure */ options = (AddMaskOptions *) g_malloc (sizeof (AddMaskOptions)); options->layer = layer; options->add_mask_type = WhiteMask; /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "add_mask_options", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "Add Mask Options"); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* handle the wm close signal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (add_mask_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); /* the name entry hbox, label and entry */ label = gtk_label_new ("Initialize Layer Mask To:"); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); gtk_widget_show (label); /* the radio frame and box */ radio_frame = gtk_frame_new (NULL); gtk_box_pack_start (GTK_BOX (vbox), radio_frame, FALSE, FALSE, 0); radio_box = gtk_vbox_new (FALSE, 1); gtk_container_add (GTK_CONTAINER (radio_frame), radio_box); /* the radio buttons */ for (i = 0; i < 3; i++) { radio_button = gtk_radio_button_new_with_label (group, button_names[i]); group = gtk_radio_button_group (GTK_RADIO_BUTTON (radio_button)); gtk_box_pack_start (GTK_BOX (radio_box), radio_button, FALSE, FALSE, 0); gtk_signal_connect (GTK_OBJECT (radio_button), "toggled", (GtkSignalFunc) button_callbacks[i], options); gtk_widget_show (radio_button); } gtk_widget_show (radio_box); gtk_widget_show (radio_frame); action_items[0].user_data = options; action_items[1].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 2, 0); gtk_widget_show (vbox); gtk_widget_show (options->query_box); } /* * The apply layer mask dialog */ typedef struct _ApplyMaskOptions ApplyMaskOptions; struct _ApplyMaskOptions { GtkWidget *query_box; Layer * layer; }; static void apply_mask_query_apply_callback (GtkWidget *w, gpointer client_data) { ApplyMaskOptions *options; options = (ApplyMaskOptions *) client_data; gimage_remove_layer_mask (drawable_gimage (GIMP_DRAWABLE(options->layer)), options->layer, APPLY); gtk_widget_destroy (options->query_box); g_free (options); } static void apply_mask_query_discard_callback (GtkWidget *w, gpointer client_data) { ApplyMaskOptions *options; options = (ApplyMaskOptions *) client_data; gimage_remove_layer_mask (drawable_gimage (GIMP_DRAWABLE(options->layer)), options->layer, DISCARD); gtk_widget_destroy (options->query_box); g_free (options); } static void apply_mask_query_cancel_callback (GtkWidget *w, gpointer client_data) { ApplyMaskOptions *options; options = (ApplyMaskOptions *) client_data; gtk_widget_destroy (options->query_box); g_free (options); } static gint apply_mask_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { apply_mask_query_cancel_callback (w, client_data); return TRUE; } static void layers_dialog_apply_mask_query (Layer *layer) { static ActionAreaItem action_items[3] = { { "Apply", apply_mask_query_apply_callback, NULL, NULL }, { "Discard", apply_mask_query_discard_callback, NULL, NULL }, { "Cancel", apply_mask_query_cancel_callback, NULL, NULL } }; ApplyMaskOptions *options; GtkWidget *vbox; GtkWidget *label; /* the new options structure */ options = (ApplyMaskOptions *) g_malloc (sizeof (ApplyMaskOptions)); options->layer = layer; /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "layer_mask_options", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "Layer Mask Options"); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* handle the wm close signal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (apply_mask_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); /* the name entry hbox, label and entry */ label = gtk_label_new ("Apply layer mask?"); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); gtk_widget_show (label); action_items[0].user_data = options; action_items[1].user_data = options; action_items[2].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 3, 0); gtk_widget_show (vbox); gtk_widget_show (options->query_box); } /* * The scale layer dialog */ typedef struct _ScaleLayerOptions ScaleLayerOptions; struct _ScaleLayerOptions { GtkWidget *query_box; Layer * layer; Resize *resize; }; static void scale_layer_query_ok_callback (GtkWidget *w, gpointer client_data) { ScaleLayerOptions *options; GImage *gimage; Layer *layer; options = (ScaleLayerOptions *) client_data; if (options->resize->width > 0 && options->resize->height > 0 && (layer = (options->layer))) { if ((gimage = gimage_get_ID (GIMP_DRAWABLE(layer)->gimage_ID)) != NULL) { undo_push_group_start (gimage, LAYER_SCALE_UNDO); if (layer_is_floating_sel (layer)) floating_sel_relax (layer, TRUE); layer_scale (layer, options->resize->width, options->resize->height, TRUE); if (layer_is_floating_sel (layer)) floating_sel_rigor (layer, TRUE); undo_push_group_end (gimage); gdisplays_flush (); } gtk_widget_destroy (options->query_box); resize_widget_free (options->resize); g_free (options); } else g_message ("Invalid width or height. Both must be positive."); } static void scale_layer_query_cancel_callback (GtkWidget *w, gpointer client_data) { ScaleLayerOptions *options; options = (ScaleLayerOptions *) client_data; gtk_widget_destroy (options->query_box); resize_widget_free (options->resize); g_free (options); } static gint scale_layer_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { scale_layer_query_cancel_callback (w, client_data); return TRUE; } static void layers_dialog_scale_layer_query (Layer *layer) { static ActionAreaItem action_items[3] = { { "OK", scale_layer_query_ok_callback, NULL, NULL }, { "Cancel", scale_layer_query_cancel_callback, NULL, NULL } }; ScaleLayerOptions *options; GtkWidget *vbox; /* the new options structure */ options = (ScaleLayerOptions *) g_malloc (sizeof (ScaleLayerOptions)); options->layer = layer; options->resize = resize_widget_new (ScaleWidget, drawable_width (GIMP_DRAWABLE(layer)), drawable_height (GIMP_DRAWABLE(layer))); /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "scale_layer", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "Scale Layer"); gtk_window_set_policy (GTK_WINDOW (options->query_box), FALSE, FALSE, TRUE); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* handle the wm close singal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (scale_layer_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); gtk_box_pack_start (GTK_BOX (vbox), options->resize->resize_widget, FALSE, FALSE, 0); action_items[0].user_data = options; action_items[1].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 2, 0); gtk_widget_show (options->resize->resize_widget); gtk_widget_show (vbox); gtk_widget_show (options->query_box); } /* * The resize layer dialog */ typedef struct _ResizeLayerOptions ResizeLayerOptions; struct _ResizeLayerOptions { GtkWidget *query_box; Layer *layer; Resize *resize; }; static void resize_layer_query_ok_callback (GtkWidget *w, gpointer client_data) { ResizeLayerOptions *options; GImage *gimage; Layer *layer; options = (ResizeLayerOptions *) client_data; if (options->resize->width > 0 && options->resize->height > 0 && (layer = (options->layer))) { if ((gimage = gimage_get_ID (GIMP_DRAWABLE(layer)->gimage_ID)) != NULL) { undo_push_group_start (gimage, LAYER_RESIZE_UNDO); if (layer_is_floating_sel (layer)) floating_sel_relax (layer, TRUE); layer_resize (layer, options->resize->width, options->resize->height, options->resize->off_x, options->resize->off_y); if (layer_is_floating_sel (layer)) floating_sel_rigor (layer, TRUE); undo_push_group_end (gimage); gdisplays_flush (); } gtk_widget_destroy (options->query_box); resize_widget_free (options->resize); g_free (options); } else g_message ("Invalid width or height. Both must be positive."); } static void resize_layer_query_cancel_callback (GtkWidget *w, gpointer client_data) { ResizeLayerOptions *options; options = (ResizeLayerOptions *) client_data; gtk_widget_destroy (options->query_box); resize_widget_free (options->resize); g_free (options); } static gint resize_layer_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { resize_layer_query_cancel_callback (w, client_data); return TRUE; } static void layers_dialog_resize_layer_query (Layer *layer) { static ActionAreaItem action_items[3] = { { "OK", resize_layer_query_ok_callback, NULL, NULL }, { "Cancel", resize_layer_query_cancel_callback, NULL, NULL } }; ResizeLayerOptions *options; GtkWidget *vbox; /* the new options structure */ options = (ResizeLayerOptions *) g_malloc (sizeof (ResizeLayerOptions)); options->layer = layer; options->resize = resize_widget_new (ResizeWidget, drawable_width (GIMP_DRAWABLE(layer)), drawable_height (GIMP_DRAWABLE(layer))); /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "resize_layer", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "Resize Layer"); gtk_window_set_policy (GTK_WINDOW (options->query_box), FALSE, TRUE, TRUE); gtk_window_set_policy (GTK_WINDOW (options->query_box), FALSE, FALSE, TRUE); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* handle the wm close signal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (resize_layer_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (vbox), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); gtk_box_pack_start (GTK_BOX (vbox), options->resize->resize_widget, FALSE, FALSE, 0); action_items[0].user_data = options; action_items[1].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 2, 0); gtk_widget_show (options->resize->resize_widget); gtk_widget_show (vbox); gtk_widget_show (options->query_box); } /* * The layer merge dialog */ typedef struct _LayerMergeOptions LayerMergeOptions; struct _LayerMergeOptions { GtkWidget *query_box; int gimage_id; int merge_visible; MergeType merge_type; }; static void layer_merge_query_ok_callback (GtkWidget *w, gpointer client_data) { LayerMergeOptions *options; GImage *gimage; options = (LayerMergeOptions *) client_data; if (! (gimage = gimage_get_ID (options->gimage_id))) return; if (options->merge_visible) gimage_merge_visible_layers (gimage, options->merge_type); gdisplays_flush (); gtk_widget_destroy (options->query_box); g_free (options); } static void layer_merge_query_cancel_callback (GtkWidget *w, gpointer client_data) { LayerMergeOptions *options; options = (LayerMergeOptions *) client_data; gtk_widget_destroy (options->query_box); g_free (options); } static gint layer_merge_query_delete_callback (GtkWidget *w, GdkEvent *e, gpointer client_data) { layer_merge_query_cancel_callback (w, client_data); return TRUE; } static void expand_as_necessary_callback (GtkWidget *w, gpointer client_data) { LayerMergeOptions *options; options = (LayerMergeOptions *) client_data; options->merge_type = ExpandAsNecessary; } static void clip_to_image_callback (GtkWidget *w, gpointer client_data) { LayerMergeOptions *options; options = (LayerMergeOptions *) client_data; options->merge_type = ClipToImage; } static void clip_to_bottom_layer_callback (GtkWidget *w, gpointer client_data) { LayerMergeOptions *options; options = (LayerMergeOptions *) client_data; options->merge_type = ClipToBottomLayer; } void layers_dialog_layer_merge_query (GImage *gimage, int merge_visible) /* if 0, anchor active layer */ { static ActionAreaItem action_items[2] = { { "OK", layer_merge_query_ok_callback, NULL, NULL }, { "Cancel", layer_merge_query_cancel_callback, NULL, NULL } }; LayerMergeOptions *options; GtkWidget *vbox; GtkWidget *label; GtkWidget *radio_frame; GtkWidget *radio_box; GtkWidget *radio_button; GSList *group = NULL; int i; char *button_names[3] = { "Expanded as necessary", "Clipped to image", "Clipped to bottom layer" }; ActionCallback button_callbacks[3] = { expand_as_necessary_callback, clip_to_image_callback, clip_to_bottom_layer_callback }; /* the new options structure */ options = (LayerMergeOptions *) g_malloc (sizeof (LayerMergeOptions)); options->gimage_id = gimage->ID; options->merge_visible = merge_visible; options->merge_type = ExpandAsNecessary; /* the dialog */ options->query_box = gtk_dialog_new (); gtk_window_set_wmclass (GTK_WINDOW (options->query_box), "layer_merge_options", "Gimp"); gtk_window_set_title (GTK_WINDOW (options->query_box), "Layer Merge Options"); gtk_window_position (GTK_WINDOW (options->query_box), GTK_WIN_POS_MOUSE); /* hadle the wm close signal */ gtk_signal_connect (GTK_OBJECT (options->query_box), "delete_event", GTK_SIGNAL_FUNC (layer_merge_query_delete_callback), options); /* the main vbox */ vbox = gtk_vbox_new (FALSE, 1); gtk_container_border_width (GTK_CONTAINER (options->query_box), 2); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox, TRUE, TRUE, 0); /* the name entry hbox, label and entry */ if (merge_visible) label = gtk_label_new ("Final, merged layer should be:"); else label = gtk_label_new ("Final, anchored layer should be:"); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); gtk_widget_show (label); /* the radio frame and box */ radio_frame = gtk_frame_new (NULL); gtk_box_pack_start (GTK_BOX (vbox), radio_frame, FALSE, FALSE, 0); radio_box = gtk_vbox_new (FALSE, 1); gtk_container_add (GTK_CONTAINER (radio_frame), radio_box); /* the radio buttons */ for (i = 0; i < 3; i++) { radio_button = gtk_radio_button_new_with_label (group, button_names[i]); group = gtk_radio_button_group (GTK_RADIO_BUTTON (radio_button)); gtk_box_pack_start (GTK_BOX (radio_box), radio_button, FALSE, FALSE, 0); gtk_signal_connect (GTK_OBJECT (radio_button), "toggled", (GtkSignalFunc) button_callbacks[i], options); gtk_widget_show (radio_button); } gtk_widget_show (radio_box); gtk_widget_show (radio_frame); action_items[0].user_data = options; action_items[1].user_data = options; build_action_area (GTK_DIALOG (options->query_box), action_items, 2, 0); gtk_widget_show (vbox); gtk_widget_show (options->query_box); }