gimp/app/display/gimpdisplayshell-handlers.c

737 lines
31 KiB
C

/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "core/gimptreehandler.h"
#include "widgets/gimpwidgets-utils.h"
#include "gimpdisplay.h"
#include "gimpdisplayoptions.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-appearance.h"
#include "gimpdisplayshell-callbacks.h"
#include "gimpdisplayshell-draw.h"
#include "gimpdisplayshell-handlers.h"
#include "gimpdisplayshell-icon.h"
#include "gimpdisplayshell-scale.h"
#include "gimpdisplayshell-scroll.h"
#include "gimpdisplayshell-selection.h"
#include "gimpdisplayshell-title.h"
#include "gimpimagewindow.h"
/* local function prototypes */
static void gimp_display_shell_clean_dirty_handler (GimpImage *image,
GimpDirtyMask dirty_mask,
GimpDisplayShell *shell);
static void gimp_display_shell_undo_event_handler (GimpImage *image,
GimpUndoEvent event,
GimpUndo *undo,
GimpDisplayShell *shell);
static void gimp_display_shell_grid_notify_handler (GimpGrid *grid,
GParamSpec *pspec,
GimpDisplayShell *shell);
static void gimp_display_shell_name_changed_handler (GimpImage *image,
GimpDisplayShell *shell);
static void gimp_display_shell_selection_control_handler (GimpImage *image,
GimpSelectionControl control,
GimpDisplayShell *shell);
static void gimp_display_shell_size_changed_detailed_handler
(GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height,
GimpDisplayShell *shell);
static void gimp_display_shell_resolution_changed_handler (GimpImage *image,
GimpDisplayShell *shell);
static void gimp_display_shell_quick_mask_changed_handler (GimpImage *image,
GimpDisplayShell *shell);
static void gimp_display_shell_update_guide_handler (GimpImage *image,
GimpGuide *guide,
GimpDisplayShell *shell);
static void gimp_display_shell_update_sample_point_handler(GimpImage *image,
GimpSamplePoint *sample_point,
GimpDisplayShell *shell);
static void gimp_display_shell_invalidate_preview_handler (GimpImage *image,
GimpDisplayShell *shell);
static void gimp_display_shell_profile_changed_handler (GimpColorManaged *image,
GimpDisplayShell *shell);
static void gimp_display_shell_vectors_freeze_handler (GimpVectors *vectors,
GimpDisplayShell *shell);
static void gimp_display_shell_vectors_thaw_handler (GimpVectors *vectors,
GimpDisplayShell *shell);
static void gimp_display_shell_vectors_visible_handler (GimpVectors *vectors,
GimpDisplayShell *shell);
static void gimp_display_shell_vectors_add_handler (GimpContainer *container,
GimpVectors *vectors,
GimpDisplayShell *shell);
static void gimp_display_shell_vectors_remove_handler (GimpContainer *container,
GimpVectors *vectors,
GimpDisplayShell *shell);
static void gimp_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_title_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_nav_size_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_padding_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_ants_speed_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_quality_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
/* public functions */
void
gimp_display_shell_connect (GimpDisplayShell *shell)
{
GimpImage *image;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (GIMP_IS_DISPLAY (shell->display));
g_return_if_fail (GIMP_IS_IMAGE (shell->display->image));
image = shell->display->image;
g_signal_connect (image, "clean",
G_CALLBACK (gimp_display_shell_clean_dirty_handler),
shell);
g_signal_connect (image, "dirty",
G_CALLBACK (gimp_display_shell_clean_dirty_handler),
shell);
g_signal_connect (image, "undo-event",
G_CALLBACK (gimp_display_shell_undo_event_handler),
shell);
g_signal_connect (image->grid, "notify",
G_CALLBACK (gimp_display_shell_grid_notify_handler),
shell);
g_signal_connect (image, "name-changed",
G_CALLBACK (gimp_display_shell_name_changed_handler),
shell);
g_signal_connect (image, "selection-control",
G_CALLBACK (gimp_display_shell_selection_control_handler),
shell);
g_signal_connect (image, "size-changed-detailed",
G_CALLBACK (gimp_display_shell_size_changed_detailed_handler),
shell);
g_signal_connect (image, "resolution-changed",
G_CALLBACK (gimp_display_shell_resolution_changed_handler),
shell);
g_signal_connect (image, "quick-mask-changed",
G_CALLBACK (gimp_display_shell_quick_mask_changed_handler),
shell);
g_signal_connect (image, "update-guide",
G_CALLBACK (gimp_display_shell_update_guide_handler),
shell);
g_signal_connect (image, "update-sample-point",
G_CALLBACK (gimp_display_shell_update_sample_point_handler),
shell);
g_signal_connect (image, "invalidate-preview",
G_CALLBACK (gimp_display_shell_invalidate_preview_handler),
shell);
g_signal_connect (image, "profile-changed",
G_CALLBACK (gimp_display_shell_profile_changed_handler),
shell);
shell->vectors_freeze_handler =
gimp_tree_handler_connect (image->vectors, "freeze",
G_CALLBACK (gimp_display_shell_vectors_freeze_handler),
shell);
shell->vectors_thaw_handler =
gimp_tree_handler_connect (image->vectors, "thaw",
G_CALLBACK (gimp_display_shell_vectors_thaw_handler),
shell);
shell->vectors_visible_handler =
gimp_tree_handler_connect (image->vectors, "visibility-changed",
G_CALLBACK (gimp_display_shell_vectors_visible_handler),
shell);
g_signal_connect (image->vectors, "add",
G_CALLBACK (gimp_display_shell_vectors_add_handler),
shell);
g_signal_connect (image->vectors, "remove",
G_CALLBACK (gimp_display_shell_vectors_remove_handler),
shell);
g_signal_connect (shell->display->config,
"notify::transparency-size",
G_CALLBACK (gimp_display_shell_check_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::transparency-type",
G_CALLBACK (gimp_display_shell_check_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::image-title-format",
G_CALLBACK (gimp_display_shell_title_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::image-status-format",
G_CALLBACK (gimp_display_shell_title_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::navigation-preview-size",
G_CALLBACK (gimp_display_shell_nav_size_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::monitor-resolution-from-windowing-system",
G_CALLBACK (gimp_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::monitor-xresolution",
G_CALLBACK (gimp_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::monitor-yresolution",
G_CALLBACK (gimp_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (shell->display->config->default_view,
"notify::padding-mode",
G_CALLBACK (gimp_display_shell_padding_notify_handler),
shell);
g_signal_connect (shell->display->config->default_view,
"notify::padding-color",
G_CALLBACK (gimp_display_shell_padding_notify_handler),
shell);
g_signal_connect (shell->display->config->default_fullscreen_view,
"notify::padding-mode",
G_CALLBACK (gimp_display_shell_padding_notify_handler),
shell);
g_signal_connect (shell->display->config->default_fullscreen_view,
"notify::padding-color",
G_CALLBACK (gimp_display_shell_padding_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::marching-ants-speed",
G_CALLBACK (gimp_display_shell_ants_speed_notify_handler),
shell);
g_signal_connect (shell->display->config,
"notify::zoom-quality",
G_CALLBACK (gimp_display_shell_quality_notify_handler),
shell);
gimp_display_shell_invalidate_preview_handler (image, shell);
gimp_display_shell_quick_mask_changed_handler (image, shell);
}
void
gimp_display_shell_disconnect (GimpDisplayShell *shell)
{
GimpImage *image;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (GIMP_IS_DISPLAY (shell->display));
g_return_if_fail (GIMP_IS_IMAGE (shell->display->image));
image = shell->display->image;
gimp_display_shell_icon_idle_stop (shell);
if (shell->grid_gc)
{
g_object_unref (shell->grid_gc);
shell->grid_gc = NULL;
}
if (shell->pen_gc)
{
g_object_unref (shell->pen_gc);
shell->pen_gc = NULL;
}
g_signal_handlers_disconnect_by_func (shell->display->config,
gimp_display_shell_quality_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config,
gimp_display_shell_ants_speed_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config->default_fullscreen_view,
gimp_display_shell_padding_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config->default_view,
gimp_display_shell_padding_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config,
gimp_display_shell_monitor_res_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config,
gimp_display_shell_nav_size_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config,
gimp_display_shell_title_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (shell->display->config,
gimp_display_shell_check_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (image->vectors,
gimp_display_shell_vectors_remove_handler,
shell);
g_signal_handlers_disconnect_by_func (image->vectors,
gimp_display_shell_vectors_add_handler,
shell);
gimp_tree_handler_disconnect (shell->vectors_visible_handler);
shell->vectors_visible_handler = NULL;
gimp_tree_handler_disconnect (shell->vectors_thaw_handler);
shell->vectors_thaw_handler = NULL;
gimp_tree_handler_disconnect (shell->vectors_freeze_handler);
shell->vectors_freeze_handler = NULL;
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_profile_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_invalidate_preview_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_update_guide_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_update_sample_point_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_quick_mask_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_resolution_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_size_changed_detailed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_selection_control_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_name_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image->grid,
gimp_display_shell_grid_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_undo_event_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
gimp_display_shell_clean_dirty_handler,
shell);
}
/* private functions */
static void
gimp_display_shell_clean_dirty_handler (GimpImage *image,
GimpDirtyMask dirty_mask,
GimpDisplayShell *shell)
{
gimp_display_shell_title_update (shell);
}
static void
gimp_display_shell_undo_event_handler (GimpImage *image,
GimpUndoEvent event,
GimpUndo *undo,
GimpDisplayShell *shell)
{
gimp_display_shell_title_update (shell);
}
static void
gimp_display_shell_grid_notify_handler (GimpGrid *grid,
GParamSpec *pspec,
GimpDisplayShell *shell)
{
if (shell->grid_gc)
{
g_object_unref (shell->grid_gc);
shell->grid_gc = NULL;
}
gimp_display_shell_expose_full (shell);
/* update item factory */
gimp_display_flush (shell->display);
}
static void
gimp_display_shell_name_changed_handler (GimpImage *image,
GimpDisplayShell *shell)
{
gimp_display_shell_title_update (shell);
}
static void
gimp_display_shell_selection_control_handler (GimpImage *image,
GimpSelectionControl control,
GimpDisplayShell *shell)
{
gimp_display_shell_selection_control (shell, control);
}
static void
gimp_display_shell_resolution_changed_handler (GimpImage *image,
GimpDisplayShell *shell)
{
gimp_display_shell_scale_changed (shell);
if (shell->dot_for_dot)
{
if (shell->unit != GIMP_UNIT_PIXEL)
{
gimp_display_shell_scale_update_rulers (shell);
}
gimp_display_shell_scaled (shell);
}
else
{
/* A resolution change has the same effect as a size change from
* a display shell point of view. Force a redraw of the display
* so that we don't get any display garbage.
*/
gimp_display_shell_scale_resize (shell,
shell->display->config->resize_windows_on_resize,
FALSE);
}
}
static void
gimp_display_shell_quick_mask_changed_handler (GimpImage *image,
GimpDisplayShell *shell)
{
GtkImage *gtk_image;
gtk_image = GTK_IMAGE (gtk_bin_get_child (GTK_BIN (shell->quick_mask_button)));
g_signal_handlers_block_by_func (shell->quick_mask_button,
gimp_display_shell_quick_mask_toggled,
shell);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->quick_mask_button),
shell->display->image->quick_mask_state);
if (shell->display->image->quick_mask_state)
gtk_image_set_from_stock (gtk_image, GIMP_STOCK_QUICK_MASK_ON,
GTK_ICON_SIZE_MENU);
else
gtk_image_set_from_stock (gtk_image, GIMP_STOCK_QUICK_MASK_OFF,
GTK_ICON_SIZE_MENU);
g_signal_handlers_unblock_by_func (shell->quick_mask_button,
gimp_display_shell_quick_mask_toggled,
shell);
}
static void
gimp_display_shell_update_guide_handler (GimpImage *image,
GimpGuide *guide,
GimpDisplayShell *shell)
{
gimp_display_shell_expose_guide (shell, guide);
}
static void
gimp_display_shell_update_sample_point_handler (GimpImage *image,
GimpSamplePoint *sample_point,
GimpDisplayShell *shell)
{
gimp_display_shell_expose_sample_point (shell, sample_point);
}
static void
gimp_display_shell_size_changed_detailed_handler (GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height,
GimpDisplayShell *shell)
{
if (shell->display->config->resize_windows_on_resize)
{
/* If the window is resized just center the image in it when it
* has change size
*/
gimp_display_shell_shrink_wrap (shell, FALSE);
}
else
{
GimpImage *image = GIMP_IMAGE (shell->display->image);
gint new_width = gimp_image_get_width (image);
gint new_height = gimp_image_get_height (image);
gint scaled_previous_origin_x = SCALEX (shell, previous_origin_x);
gint scaled_previous_origin_y = SCALEY (shell, previous_origin_y);
gboolean horizontally;
gboolean vertically;
horizontally = (SCALEX (shell, previous_width) > shell->disp_width &&
SCALEX (shell, new_width) <= shell->disp_width);
vertically = (SCALEY (shell, previous_height) > shell->disp_height &&
SCALEY (shell, new_height) <= shell->disp_height);
gimp_display_shell_scroll_set_offset (shell,
shell->offset_x + scaled_previous_origin_x,
shell->offset_y + scaled_previous_origin_y);
gimp_display_shell_scroll_center_image (shell, horizontally, vertically);
/* The above calls might not lead to a call to
* gimp_display_shell_scroll_clamp_and_update() in all cases we
* need it to be called, so simply call it explicitly here at
* the end
*/
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_expose_full (shell);
}
}
static void
gimp_display_shell_invalidate_preview_handler (GimpImage *image,
GimpDisplayShell *shell)
{
gimp_display_shell_icon_idle_update (shell);
}
static void
gimp_display_shell_profile_changed_handler (GimpColorManaged *image,
GimpDisplayShell *shell)
{
gimp_color_managed_profile_changed (GIMP_COLOR_MANAGED (shell));
}
static void
gimp_display_shell_vectors_freeze_handler (GimpVectors *vectors,
GimpDisplayShell *shell)
{
if (shell->paused_count == 0 && gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_display_shell_draw_vector (shell, vectors);
}
static void
gimp_display_shell_vectors_thaw_handler (GimpVectors *vectors,
GimpDisplayShell *shell)
{
if (shell->paused_count == 0 && gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_display_shell_draw_vector (shell, vectors);
}
static void
gimp_display_shell_vectors_visible_handler (GimpVectors *vectors,
GimpDisplayShell *shell)
{
if (shell->paused_count == 0)
gimp_display_shell_draw_vector (shell, vectors);
}
static void
gimp_display_shell_vectors_add_handler (GimpContainer *container,
GimpVectors *vectors,
GimpDisplayShell *shell)
{
if (shell->paused_count == 0 && gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_display_shell_draw_vector (shell, vectors);
}
static void
gimp_display_shell_vectors_remove_handler (GimpContainer *container,
GimpVectors *vectors,
GimpDisplayShell *shell)
{
if (shell->paused_count == 0 && gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_display_shell_draw_vector (shell, vectors);
}
static void
gimp_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
GimpCanvasPaddingMode padding_mode;
GimpRGB padding_color;
gimp_display_shell_get_padding (shell, &padding_mode, &padding_color);
switch (padding_mode)
{
case GIMP_CANVAS_PADDING_MODE_LIGHT_CHECK:
case GIMP_CANVAS_PADDING_MODE_DARK_CHECK:
gimp_display_shell_set_padding (shell, padding_mode, &padding_color);
break;
default:
break;
}
gimp_display_shell_expose_full (shell);
}
static void
gimp_display_shell_title_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_title_update (shell);
}
static void
gimp_display_shell_nav_size_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
if (shell->nav_popup)
{
gtk_widget_destroy (shell->nav_popup);
shell->nav_popup = NULL;
}
}
static void
gimp_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
if (GIMP_DISPLAY_CONFIG (config)->monitor_res_from_gdk)
{
gimp_get_screen_resolution (gtk_widget_get_screen (GTK_WIDGET (shell)),
&shell->monitor_xres,
&shell->monitor_yres);
}
else
{
shell->monitor_xres = GIMP_DISPLAY_CONFIG (config)->monitor_xres;
shell->monitor_yres = GIMP_DISPLAY_CONFIG (config)->monitor_yres;
}
gimp_display_shell_scale_changed (shell);
if (! shell->dot_for_dot)
{
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_scaled (shell);
gimp_display_shell_expose_full (shell);
}
}
static void
gimp_display_shell_padding_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
GimpDisplayConfig *display_config;
GtkWidget *window;
gboolean fullscreen;
GimpCanvasPaddingMode padding_mode;
GimpRGB padding_color;
display_config = shell->display->config;
window = gtk_widget_get_toplevel (GTK_WIDGET (shell));
fullscreen = gimp_image_window_get_fullscreen (GIMP_IMAGE_WINDOW (window));
/* if the user did not set the padding mode for this display explicitely */
if (! shell->fullscreen_options->padding_mode_set)
{
padding_mode = display_config->default_fullscreen_view->padding_mode;
padding_color = display_config->default_fullscreen_view->padding_color;
if (fullscreen)
{
gimp_display_shell_set_padding (shell, padding_mode, &padding_color);
}
else
{
shell->fullscreen_options->padding_mode = padding_mode;
shell->fullscreen_options->padding_color = padding_color;
}
}
/* if the user did not set the padding mode for this display explicitely */
if (! shell->options->padding_mode_set)
{
padding_mode = display_config->default_view->padding_mode;
padding_color = display_config->default_view->padding_color;
if (fullscreen)
{
shell->options->padding_mode = padding_mode;
shell->options->padding_color = padding_color;
}
else
{
gimp_display_shell_set_padding (shell, padding_mode, &padding_color);
}
}
}
static void
gimp_display_shell_ants_speed_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_selection_control (shell, GIMP_SELECTION_PAUSE);
gimp_display_shell_selection_control (shell, GIMP_SELECTION_RESUME);
}
static void
gimp_display_shell_quality_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_expose_full (shell);
}