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gimp/plug-ins/common/align_layers.c

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/* align_layers.c -- This is a plug-in for the GIMP (1.0's API)
* Author: Shuji Narazaki <narazaki@InetQ.or.jp>
* Time-stamp: <1998/01/17 00:32:23 narazaki@InetQ.or.jp>
* Version: 0.26
*
* Copyright (C) 1997-1998 Shuji Narazaki <narazaki@InetQ.or.jp>
*
* 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 "libgimp/gimp.h"
#include "gtk/gtk.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define PLUG_IN_NAME "plug_in_align_layers"
#define SHORT_NAME "align_layers"
#define PROGRESS_NAME "align_layers"
#define MENU_POSITION "<Image>/Layers/Align Visible Layers"
#define MAIN_FUNCTION main_function
#define INTERFACE align_layers_interface
#define DIALOG align_layers_dialog
#define VALS align_layers_vals
#define OK_CALLBACK align_layers_ok_callback
#define PREVIEW_UPDATE _preview_update
#define PROGRESS_UPDATE_NUM 100
/* gtkWrapper functions */
#define GTKW_ENTRY_WIDTH 40
#define GTKW_SCALE_WIDTH 100
#define GTKW_PREVIEW_WIDTH 50
#define GTKW_PREVIEW_HEIGHT 256
#define GTKW_BORDER_WIDTH 5
#define GTKW_FLOAT_MIN_ERROR 0.000001
static gint **gtkW_gint_wrapper_new (gint index, gint *pointer);
static void gtkW_close_callback (GtkWidget *widget, gpointer data);
static void gtkW_toggle_update (GtkWidget *widget, gpointer data);
static void gtkW_iscale_update (GtkAdjustment *adjustment, gpointer data);
static void gtkW_ientry_update (GtkWidget *widget, gpointer data);
static GtkWidget *gtkW_dialog_new (char *name, GtkSignalFunc ok_callback,
GtkSignalFunc close_callback);
static void gtkW_message_dialog (gint gtk_was_initialized, gchar *message);
static GtkWidget *gtkW_message_dialog_new (char * name);
static void
gtkW_table_add_toggle (GtkWidget *table,
gchar *name,
gint x,
gint y,
GtkSignalFunc update,
gint *value);
static void
gtkW_table_add_iscale_entry (GtkWidget *table,
gchar *name,
gint x,
gint y,
GtkSignalFunc scale_update,
GtkSignalFunc entry_update,
gint *value,
gdouble min,
gdouble max,
gdouble step,
gchar *buffer);
GtkWidget *gtkW_table_add_button (GtkWidget *table,
gchar *name,
gint x0,
gint x1,
gint y,
GtkSignalFunc callback,
gpointer value);
typedef struct
{
gchar *name;
gpointer data;
} gtkW_menu_item;
GtkWidget *gtkW_table_add_menu (GtkWidget *parent,
gchar *name,
int x,
int y,
GtkSignalFunc imenu_update,
int *val,
gtkW_menu_item *item,
int item_num);
static void gtkW_menu_update (GtkWidget *widget, gpointer data);
GtkWidget *gtkW_check_button_new (GtkWidget *parent,
gchar *name,
GtkSignalFunc update,
gint *value);
GtkWidget *gtkW_frame_new (GtkWidget *parent, gchar *name);
GtkWidget *gtkW_table_new (GtkWidget *parent, gint col, gint row);
GtkWidget *gtkW_hbox_new (GtkWidget *parent);
GtkWidget *gtkW_vbox_new (GtkWidget *parent);
/* end of GtkW */
static void query (void);
static void run (char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals);
static GStatusType align_layers (gint32 image_id);
static void align_layers_get_align_offsets (gint32 drawable_id,
gint *x,
gint *y);
static gint DIALOG ();
static void OK_CALLBACK (GtkWidget *widget, gpointer data);
GPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
/* dialog variables */
gtkW_menu_item h_style_menu [] =
{
#define H_NONE 0
{ "None", NULL },
#define H_COLLECT 1
{ "Collect", NULL },
#define LEFT2RIGHT 2
{ "Fill (left to right)", NULL },
#define RIGHT2LEFT 3
{ "Fill (right to left)", NULL },
#define SNAP2HGRID 4
{ "Snap to grid", NULL }
};
gtkW_menu_item h_base_menu [] =
{
#define H_BASE_LEFT 0
{ "Left edge", NULL },
#define H_BASE_CENTER 1
{ "Center", NULL },
#define H_BASE_RIGHT 2
{ "Right edge", NULL }
};
gtkW_menu_item v_style_menu [] =
{
#define V_NONE 0
{ "None", NULL },
#define V_COLLECT 1
{ "Collect", NULL },
#define TOP2BOTTOM 2
{ "Fill (top to bottom)", NULL },
#define BOTTOM2TOP 3
{ "Fill (bottom to top)", NULL },
#define SNAP2VGRID 4
{ "Snap to grid", NULL }
};
gtkW_menu_item v_base_menu [] =
{
#define V_BASE_TOP 0
{ "Top edge", NULL },
#define V_BASE_CENTER 1
{ "Center", NULL },
#define V_BASE_BOTTOM 2
{ "Bottom edge", NULL }
};
typedef struct
{
gint h_style;
gint h_base;
gint v_style;
gint v_base;
gint ignore_bottom;
gint base_is_bottom_layer;
gint grid_size;
} ValueType;
static ValueType VALS =
{
H_NONE, H_BASE_LEFT, V_NONE, V_BASE_TOP, 1, 0, 10
};
typedef struct
{
gint run;
} Interface;
static Interface INTERFACE = { FALSE };
/* gint link_after_alignment = 0;*/
MAIN ()
static void
query ()
{
static GParamDef args [] =
{
{ PARAM_INT32, "run_mode", "Interactive, non-interactive"},
{ PARAM_IMAGE, "image", "Input image"},
{ PARAM_DRAWABLE, "drawable", "Input drawable (not used)"},
{ PARAM_INT32, "link-afteer-alignment", "Link the visible layers after alignment"},
{ PARAM_INT32, "use-bottom", "use the bottom layer as the base of alignment"},
};
static GParamDef *return_vals = NULL;
static int nargs = sizeof (args) / sizeof (args[0]);
static int nreturn_vals = 0;
gimp_install_procedure (PLUG_IN_NAME,
"Align visible layers",
"align visible layers",
"Shuji Narazaki <narazaki@InetQ.or.jp>",
"Shuji Narazaki",
"1997",
MENU_POSITION,
"RGB*,GRAY*",
PROC_PLUG_IN,
nargs, nreturn_vals,
args, return_vals);
}
static void
run (char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals)
{
static GParam values[1];
GStatusType status = STATUS_EXECUTION_ERROR;
GRunModeType run_mode;
gint image_id, layer_num;
run_mode = param[0].data.d_int32;
image_id = param[1].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
switch ( run_mode )
{
case RUN_INTERACTIVE:
gimp_image_get_layers (image_id, &layer_num);
if (layer_num < 2)
{
gtkW_message_dialog (0, "Error: there are too few layers.");
return;
}
gimp_get_data (PLUG_IN_NAME, &VALS);
if (! DIALOG ())
return;
break;
case RUN_NONINTERACTIVE:
break;
case RUN_WITH_LAST_VALS:
gimp_get_data (PLUG_IN_NAME, &VALS);
break;
}
status = align_layers (image_id);
if (run_mode != RUN_NONINTERACTIVE)
gimp_displays_flush();
if (run_mode == RUN_INTERACTIVE && status == STATUS_SUCCESS )
gimp_set_data (PLUG_IN_NAME, &VALS, sizeof (ValueType));
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
}
static GStatusType
align_layers (gint32 image_id)
{
GParam* return_vals;
gint retvals;
gint layer_num = 0;
gint visible_layer_num = 1;
gint *layers = NULL;
gint index, vindex;
gint step_x = 0;
gint step_y = 0;
gint x = 0;
gint y = 0;
gint orig_x = 0;
gint orig_y = 0;
gint offset_x = 0;
gint offset_y = 0;
gint base_x = 0;
gint base_y =0;
layers = gimp_image_get_layers (image_id, &layer_num);
for (index = 0; index < layer_num; index++)
if (gimp_layer_get_visible (layers[index])) visible_layer_num++;
if (VALS.ignore_bottom)
{
layer_num--;
visible_layer_num--;
}
if (0 < visible_layer_num)
{
gint unintialzied = 1;
gint min_x = 0;
gint min_y = 0;
gint max_x = 0;
gint max_y = 0;
/* 0 is the top layer */
for (index = 0; index < layer_num; index++)
if (gimp_layer_get_visible (layers[index]))
{
gimp_drawable_offsets (layers[index], &orig_x, &orig_y);
align_layers_get_align_offsets (layers[index], &offset_x, &offset_y);
orig_x += offset_x;
orig_y += offset_y;
if (unintialzied)
{
base_x = min_x = max_y = orig_x;
base_y = min_y = max_y = orig_y;
unintialzied = 0;
}
else
{
if ( orig_x < min_x ) min_x = orig_x;
if ( max_x < orig_x ) max_x = orig_x;
if ( orig_y < min_y ) min_y = orig_y;
if ( max_y < orig_y ) max_y = orig_y;
}
}
if (VALS.base_is_bottom_layer)
{
gimp_drawable_offsets (layers[layer_num], &orig_x, &orig_y);
align_layers_get_align_offsets (layers[layer_num], &offset_x, &offset_y);
orig_x += offset_x;
orig_y += offset_y;
base_x = min_x = max_y = orig_x;
base_y = min_y = max_y = orig_y;
}
if (1 < visible_layer_num)
{
step_x = (max_x - min_x) / (visible_layer_num - 1);
step_y = (max_y - min_y) / (visible_layer_num - 1);
}
if ( (VALS.h_style == LEFT2RIGHT) || (VALS.h_style == RIGHT2LEFT))
base_x = min_x;
if ( (VALS.v_style == TOP2BOTTOM) || (VALS.v_style == BOTTOM2TOP))
base_y = min_y;
}
return_vals = gimp_run_procedure ("gimp_undo_push_group_start",
&retvals,
PARAM_IMAGE, image_id,
PARAM_END);
gimp_destroy_params (return_vals, retvals);
for (vindex = -1, index = 0; index < layer_num; index++)
{
if (gimp_layer_get_visible (layers[index]))
vindex++;
else
continue;
gimp_drawable_offsets (layers[index], &orig_x, &orig_y);
align_layers_get_align_offsets (layers[index], &offset_x, &offset_y);
switch (VALS.h_style)
{
case H_NONE:
x = orig_x;
break;
case H_COLLECT:
x = base_x - offset_x;
break;
case LEFT2RIGHT:
x = (base_x + vindex * step_x) - offset_x;
break;
case RIGHT2LEFT:
x = (base_x + (visible_layer_num - vindex) * step_x) - offset_x;
break;
case SNAP2HGRID:
x = VALS.grid_size
* (int) ((orig_x + offset_x + VALS.grid_size /2) / VALS.grid_size)
- offset_x;
break;
}
switch (VALS.v_style)
{
case V_NONE:
y = orig_y;
break;
case V_COLLECT:
y = base_y - offset_y;
break;
case TOP2BOTTOM:
y = (base_y + vindex * step_y) - offset_y;
break;
case BOTTOM2TOP:
y = (base_y + (visible_layer_num - vindex) * step_y) - offset_y;
break;
case SNAP2VGRID:
y = VALS.grid_size
* (int) ((orig_y + offset_y + VALS.grid_size / 2) / VALS.grid_size)
- offset_y;
break;
}
gimp_layer_set_offsets (layers[index], x, y);
}
return_vals = gimp_run_procedure ("gimp_undo_push_group_end",
&retvals,
PARAM_IMAGE, image_id,
PARAM_END);
gimp_destroy_params (return_vals, retvals);
return STATUS_SUCCESS;
}
static void
align_layers_get_align_offsets (gint32 drawable_id,
gint *x,
gint *y)
{
GDrawable *layer = gimp_drawable_get (drawable_id);
switch (VALS.h_base)
{
case H_BASE_LEFT:
*x = 0;
break;
case H_BASE_CENTER:
*x = (gint) (layer->width / 2);
break;
case H_BASE_RIGHT:
*x = layer->width;
break;
default:
*x = 0;
break;
}
switch (VALS.v_base)
{
case V_BASE_TOP:
*y = 0;
break;
case V_BASE_CENTER:
*y = (gint) (layer->height / 2);
break;
case V_BASE_BOTTOM:
*y = layer->height;
break;
default:
*y = 0;
break;
}
}
/* dialog stuff */
static int
DIALOG ()
{
GtkWidget *dlg;
GtkWidget *frame;
GtkWidget *table;
#ifdef OLD
GtkWidget *hbox, *vbox;
GtkWidget *sep;
GtkWidget *toggle_vbox;
GSList *group = NULL;
#endif
int index = 0;
gchar buffer[10];
gchar **argv;
gint argc;
argc = 1;
argv = g_new (gchar *, 1);
argv[0] = g_strdup (PLUG_IN_NAME);
gtk_init (&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
dlg = gtkW_dialog_new (PLUG_IN_NAME,
(GtkSignalFunc) OK_CALLBACK,
(GtkSignalFunc) gtkW_close_callback);
#ifdef OLD
hbox = gtkW_hbox_new ((GTK_DIALOG (dlg)->vbox));
frame = gtkW_frame_new (hbox, "Horizontal Settings");
toggle_vbox = gtkW_vbox_new (frame);
group = gtkW_vbox_add_radio_button (toggle_vbox, "None", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[H_NONE]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Collect", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[H_COLLECT]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Fill (left to right)", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[LEFT2RIGHT]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Fill (right to left)", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[RIGHT2LEFT]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Snap to grid", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[SNAP2HGRID]);
/* h base */
sep = gtk_hseparator_new ();
gtk_container_add (GTK_CONTAINER (toggle_vbox), sep);
gtk_widget_show (sep);
group = NULL;
group = gtkW_vbox_add_radio_button (toggle_vbox, "Left edge", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[H_BASE_LEFT]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Center", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[H_BASE_CENTER]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Right edge", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[H_BASE_RIGHT]);
gtk_widget_show (toggle_vbox);
gtk_widget_show (frame);
frame = gtkW_frame_new (hbox, "Vetical Settings");
toggle_vbox = gtkW_vbox_new (frame);
/* v style */
group = NULL;
group = gtkW_vbox_add_radio_button (toggle_vbox, "None", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[V_NONE]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Collect", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[V_COLLECT]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Fill (top to bottom)", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[TOP2BOTTOM]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Fill (bottom to top)", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[BOTTOM2TOP]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Snap to grid", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[SNAP2VGRID]);
/* v base */
sep = gtk_hseparator_new ();
gtk_container_add (GTK_CONTAINER (toggle_vbox), sep);
gtk_widget_show (sep);
group = NULL;
group = gtkW_vbox_add_radio_button (toggle_vbox, "Top edge", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[V_BASE_TOP]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Center", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[V_BASE_CENTER]);
group = gtkW_vbox_add_radio_button (toggle_vbox, "Bottom edge", group,
(GtkSignalFunc) gtkW_toggle_update,
&d_var[V_BASE_BOTTOM]);
gtk_widget_show (toggle_vbox);
gtk_widget_show (frame);
gtk_widget_show (hbox);
#else
frame = gtkW_frame_new (GTK_DIALOG (dlg)->vbox, "Parameter settings");
table = gtkW_table_new (frame, 7, 2);
gtkW_table_add_menu (table, "Horizontal style", 0, index++,
(GtkSignalFunc) gtkW_menu_update,
&VALS.h_style,
h_style_menu,
sizeof (h_style_menu) / sizeof (h_style_menu[0]));
gtkW_table_add_menu (table, "Horizontal base", 0, index++,
(GtkSignalFunc) gtkW_menu_update,
&VALS.h_base,
h_base_menu,
sizeof (h_base_menu) / sizeof (h_base_menu[0]));
gtkW_table_add_menu (table, "Vertical style", 0, index++,
(GtkSignalFunc) gtkW_menu_update,
&VALS.v_style,
v_style_menu,
sizeof (v_style_menu) / sizeof (v_style_menu[0]));
gtkW_table_add_menu (table, "Vertical base", 0, index++,
(GtkSignalFunc) gtkW_menu_update,
&VALS.v_base,
v_base_menu,
sizeof (v_base_menu) / sizeof (v_base_menu[0]));
#endif
gtkW_table_add_toggle (table, "Ignore the bottom layer even if visible",
0, index++,
(GtkSignalFunc) gtkW_toggle_update,
&VALS.ignore_bottom);
gtkW_table_add_toggle (table, "Use the (invisible) bottom layer as the base",
0, index++,
(GtkSignalFunc) gtkW_toggle_update,
&VALS.base_is_bottom_layer);
gtkW_table_add_iscale_entry (table, "Grid size",
0, index++,
(GtkSignalFunc) gtkW_iscale_update,
(GtkSignalFunc) gtkW_ientry_update,
&VALS.grid_size, 0, 200, 1, buffer);
gtk_widget_show (table);
gtk_widget_show (frame);
gtk_widget_show (dlg);
gtk_main ();
gdk_flush ();
return INTERFACE.run;
}
static void
OK_CALLBACK (GtkWidget *widget,
gpointer data)
{
#ifdef OLD
int index;
for (index = H_NONE; index <= SNAP2HGRID; index++)
if (d_var[index])
{
VALS.h_style = index;
break;
}
for (index = H_BASE_LEFT; index <= H_BASE_RIGHT; index++)
if (d_var[index])
{
VALS.h_base = index;
break;
}
for (index = V_NONE; index <= SNAP2VGRID; index++)
if (d_var[index])
{
VALS.v_style = index;
break;
}
for (index = V_BASE_TOP; index <= V_BASE_BOTTOM; index++)
if (d_var[index])
{
VALS.v_base = index;
break;
}
#endif
INTERFACE.run = TRUE;
gtk_widget_destroy (GTK_WIDGET (data));
}
static void
PREVIEW_UPDATE ()
{
}
/* gtkW functions: gtkW is the abbreviation of gtk Wrapper */
static gint **
gtkW_gint_wrapper_new (gint index, gint *pointer)
{
gint **tmp;
tmp = (gint **)malloc(3 * sizeof (gint *));
tmp[0] = (gint *) ((*pointer == index) ? TRUE : FALSE);
tmp[1] = pointer;
tmp[2] = (gint *) index;
return tmp;
}
static void
gtkW_close_callback (GtkWidget *widget,
gpointer data)
{
gtk_main_quit ();
}
static void
gtkW_toggle_update (GtkWidget *widget,
gpointer data)
{
int *toggle_val;
toggle_val = (int *) data;
if (GTK_TOGGLE_BUTTON (widget)->active)
*toggle_val = TRUE;
else
*toggle_val = FALSE;
PREVIEW_UPDATE ();
}
static GtkWidget *
gtkW_dialog_new (char * name,
GtkSignalFunc ok_callback,
GtkSignalFunc close_callback)
{
GtkWidget *dlg, *button;
dlg = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW (dlg), name);
gtk_window_position (GTK_WINDOW (dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect (GTK_OBJECT (dlg), "destroy",
(GtkSignalFunc) close_callback, NULL);
/* Action Area */
button = gtk_button_new_with_label ("OK");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) ok_callback, dlg);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button,
TRUE, TRUE, 0);
gtk_widget_grab_default (button);
gtk_widget_show (button);
button = gtk_button_new_with_label ("Cancel");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) gtk_widget_destroy,
GTK_OBJECT(dlg));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button,
TRUE, TRUE, 0);
gtk_widget_show (button);
return dlg;
}
static void
gtkW_message_dialog (gint gtk_was_initialized, gchar *message)
{
GtkWidget *dlg;
GtkWidget *table;
GtkWidget *label;
gchar **argv;
gint argc;
if (! gtk_was_initialized)
{
argc = 1;
argv = g_new (gchar *, 1);
argv[0] = g_strdup (PLUG_IN_NAME);
gtk_init (&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
}
dlg = gtkW_message_dialog_new (PLUG_IN_NAME);
table = gtk_table_new (1,1, FALSE);
gtk_container_border_width (GTK_CONTAINER (table), GTKW_BORDER_WIDTH);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), table, TRUE, TRUE, 0);
label = gtk_label_new (message);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1, GTK_FILL|GTK_EXPAND,
0, 0, 0);
gtk_widget_show (label);
gtk_widget_show (table);
gtk_widget_show (dlg);
gtk_main ();
gdk_flush ();
}
static GtkWidget *
gtkW_message_dialog_new (char * name)
{
GtkWidget *dlg, *button;
dlg = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW (dlg), name);
gtk_window_position (GTK_WINDOW (dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect (GTK_OBJECT (dlg), "destroy",
(GtkSignalFunc) gtkW_close_callback, NULL);
/* Action Area */
button = gtk_button_new_with_label ("OK");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) gtk_widget_destroy,
GTK_OBJECT (dlg));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button,
TRUE, TRUE, 0);
gtk_widget_grab_default (button);
gtk_widget_show (button);
return dlg;
}
GtkWidget *
gtkW_table_new (GtkWidget *parent, gint col, gint row)
{
GtkWidget *table;
table = gtk_table_new (col,row, FALSE);
gtk_container_border_width (GTK_CONTAINER (table), GTKW_BORDER_WIDTH);
gtk_container_add (GTK_CONTAINER (parent), table);
gtk_widget_show (table);
return table;
}
GtkWidget *
gtkW_hbox_new (GtkWidget *parent)
{
GtkWidget *hbox;
hbox = gtk_hbox_new (FALSE, 2);
gtk_container_border_width (GTK_CONTAINER (hbox), GTKW_BORDER_WIDTH);
/* gtk_box_pack_start (GTK_BOX (parent), hbox, FALSE, TRUE, 0); */
gtk_container_add (GTK_CONTAINER (parent), hbox);
gtk_widget_show (hbox);
return hbox;
}
GtkWidget *
gtkW_vbox_new (GtkWidget *parent)
{
GtkWidget *vbox;
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_border_width (GTK_CONTAINER (vbox), GTKW_BORDER_WIDTH);
/* gtk_box_pack_start (GTK_BOX (parent), vbox, TRUE, TRUE, 0); */
gtk_container_add (GTK_CONTAINER (parent), vbox);
gtk_widget_show (vbox);
return vbox;
}
GtkWidget *
gtkW_check_button_new (GtkWidget *parent,
gchar *name,
GtkSignalFunc update,
gint *value)
{
GtkWidget *toggle;
toggle = gtk_check_button_new_with_label (name);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) update,
value);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), *value);
gtk_container_add (GTK_CONTAINER (parent), toggle);
gtk_widget_show (toggle);
return toggle;
}
GtkWidget *
gtkW_frame_new (GtkWidget *parent,
gchar *name)
{
GtkWidget *frame;
frame = gtk_frame_new (name);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (frame), GTKW_BORDER_WIDTH);
if (parent != NULL)
gtk_box_pack_start (GTK_BOX(parent), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
return frame;
}
static void
gtkW_table_add_toggle (GtkWidget *table,
gchar *name,
gint x,
gint y,
GtkSignalFunc update,
gint *value)
{
GtkWidget *toggle;
toggle = gtk_check_button_new_with_label(name);
gtk_table_attach (GTK_TABLE (table), toggle, x, x + 2, y, y+1,
GTK_FILL|GTK_EXPAND, 0 & GTK_FILL, 0, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) update,
value);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), *value);
gtk_widget_show (toggle);
}
static void
gtkW_table_add_iscale_entry (GtkWidget *table,
gchar *name,
gint x,
gint y,
GtkSignalFunc scale_update,
GtkSignalFunc entry_update,
gint *value,
gdouble min,
gdouble max,
gdouble step,
gchar *buffer)
{
GtkObject *adjustment;
GtkWidget *label, *hbox, *scale, *entry;
label = gtk_label_new (name);
gtk_misc_set_alignment (GTK_MISC(label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE(table), label, x, x+1, y, y+1,
GTK_FILL|GTK_EXPAND, 0 & GTK_FILL, 5, 0);
gtk_widget_show (label);
hbox = gtk_hbox_new (FALSE, 5);
gtk_table_attach (GTK_TABLE (table), hbox, x+1, x+2, y, y+1,
GTK_EXPAND | GTK_FILL, 0 & GTK_FILL, 0, 0);
adjustment = gtk_adjustment_new (*value, min, max, step, step, 0.0);
gtk_widget_show (hbox);
scale = gtk_hscale_new (GTK_ADJUSTMENT (adjustment));
gtk_widget_set_usize (scale, GTKW_SCALE_WIDTH, 0);
gtk_box_pack_start (GTK_BOX (hbox), scale, TRUE, TRUE, 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
(GtkSignalFunc) scale_update, value);
entry = gtk_entry_new ();
gtk_object_set_user_data (GTK_OBJECT (entry), adjustment);
gtk_object_set_user_data (adjustment, entry);
gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
gtk_widget_set_usize (entry, GTKW_ENTRY_WIDTH, 0);
sprintf (buffer, "%d", *value);
gtk_entry_set_text (GTK_ENTRY (entry), buffer);
gtk_signal_connect (GTK_OBJECT (entry), "changed",
(GtkSignalFunc) entry_update, value);
gtk_widget_show (label);
gtk_widget_show (scale);
gtk_widget_show (entry);
}
static void
gtkW_iscale_update (GtkAdjustment *adjustment,
gpointer data)
{
GtkWidget *entry;
gchar buffer[32];
int *val;
val = data;
if (*val != (int) adjustment->value)
{
*val = adjustment->value;
entry = gtk_object_get_user_data (GTK_OBJECT (adjustment));
sprintf (buffer, "%d", (int) adjustment->value);
gtk_entry_set_text (GTK_ENTRY (entry), buffer);
PREVIEW_UPDATE ();
}
}
static void
gtkW_ientry_update (GtkWidget *widget,
gpointer data)
{
GtkAdjustment *adjustment;
int new_val;
int *val;
val = data;
new_val = atoi (gtk_entry_get_text (GTK_ENTRY (widget)));
if (*val != new_val)
{
adjustment = gtk_object_get_user_data (GTK_OBJECT (widget));
if ((new_val >= adjustment->lower) &&
(new_val <= adjustment->upper))
{
*val = new_val;
adjustment->value = new_val;
gtk_signal_emit_by_name (GTK_OBJECT (adjustment), "value_changed");
PREVIEW_UPDATE ();
}
}
}
GtkWidget *
gtkW_table_add_button (GtkWidget *table,
gchar *name,
gint x0,
gint x1,
gint y,
GtkSignalFunc callback,
gpointer value)
{
GtkWidget *button;
button = gtk_button_new_with_label (name);
gtk_table_attach (GTK_TABLE(table), button, x0, x1, y, y+1,
GTK_FILL|GTK_EXPAND, GTK_FILL, 0, 0);
gtk_signal_connect (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) callback, value);
gtk_widget_show(button);
return button;
}
GtkWidget *
gtkW_table_add_menu (GtkWidget *table,
gchar *name,
int x,
int y,
GtkSignalFunc menu_update,
int *val,
gtkW_menu_item *item,
int item_num)
{
GtkWidget *label;
GtkWidget *menu, *menuitem, *option_menu;
gchar buf[64];
gint i;
label = gtk_label_new (name);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, x, x + 1, y, y + 1,
GTK_FILL|GTK_EXPAND, 0 & GTK_FILL, GTKW_BORDER_WIDTH, 0);
gtk_widget_show (label);
menu = gtk_menu_new ();
for (i = 0; i < item_num; i++)
{
sprintf (buf, item[i].name);
menuitem = gtk_menu_item_new_with_label (buf);
gtk_menu_append (GTK_MENU (menu), menuitem);
gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
(GtkSignalFunc) menu_update,
gtkW_gint_wrapper_new (i, val));
gtk_widget_show (menuitem);
}
option_menu = gtk_option_menu_new ();
gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), menu);
gtk_option_menu_set_history (GTK_OPTION_MENU (option_menu), *val);
gtk_table_attach (GTK_TABLE (table), option_menu, x + 1, x + 2, y, y + 1,
GTK_FILL|GTK_EXPAND, 0, 0, 0);
gtk_widget_show (option_menu);
return option_menu;
}
static void
gtkW_menu_update (GtkWidget *widget,
gpointer data)
{
gint **buffer = (gint **) data;
if (*buffer[1] != (gint) buffer[2])
{
*buffer[1] = (gint) buffer[2];
PREVIEW_UPDATE ();
}
}
/* end of gtkW functions */
/* end of align_layers.c */
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