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PIKApp/app/display/pikadisplayshell-handlers.c

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Initial checkin of Pika from heckimp
2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikacolor/pikacolor.h"
#include "libpikaconfig/pikaconfig.h"
#include "libpikamath/pikamath.h"
#include "libpikawidgets/pikawidgets.h"
#include "display-types.h"
#include "config/pikadisplayoptions.h"
#include "config/pikaguiconfig.h"
#include "core/pika.h"
#include "core/pika-cairo.h"
#include "core/pikaguide.h"
#include "core/pikaimage.h"
#include "core/pikaimage-grid.h"
#include "core/pikaimage-guides.h"
#include "core/pikaimage-quick-mask.h"
#include "core/pikaimage-sample-points.h"
#include "core/pikaitem.h"
#include "core/pikaitemstack.h"
#include "core/pikasamplepoint.h"
#include "core/pikatreehandler.h"
#include "vectors/pikavectors.h"
#include "widgets/pikawidgets-utils.h"
#include "pikacanvascanvasboundary.h"
#include "pikacanvasguide.h"
#include "pikacanvaslayerboundary.h"
#include "pikacanvaspath.h"
#include "pikacanvasproxygroup.h"
#include "pikacanvassamplepoint.h"
#include "pikadisplay.h"
#include "pikadisplayshell.h"
#include "pikadisplayshell-appearance.h"
#include "pikadisplayshell-callbacks.h"
#include "pikadisplayshell-expose.h"
#include "pikadisplayshell-handlers.h"
#include "pikadisplayshell-profile.h"
#include "pikadisplayshell-render.h"
#include "pikadisplayshell-rulers.h"
#include "pikadisplayshell-scale.h"
#include "pikadisplayshell-scroll.h"
#include "pikadisplayshell-selection.h"
#include "pikadisplayshell-title.h"
#include "pikaimagewindow.h"
#include "pikastatusbar.h"
#include "pika-intl.h"
/* local function prototypes */
static void pika_display_shell_clean_dirty_handler (PikaImage *image,
PikaDirtyMask dirty_mask,
PikaDisplayShell *shell);
static void pika_display_shell_undo_event_handler (PikaImage *image,
PikaUndoEvent event,
PikaUndo *undo,
PikaDisplayShell *shell);
static void pika_display_shell_grid_notify_handler (PikaGrid *grid,
GParamSpec *pspec,
PikaDisplayShell *shell);
static void pika_display_shell_name_changed_handler (PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_selection_invalidate_handler
(PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_component_visibility_changed_handler
(PikaImage *image,
PikaChannelType channel,
PikaDisplayShell *shell);
static void pika_display_shell_size_changed_detailed_handler
(PikaImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height,
PikaDisplayShell *shell);
static void pika_display_shell_resolution_changed_handler (PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_quick_mask_changed_handler (PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_guide_add_handler (PikaImage *image,
PikaGuide *guide,
PikaDisplayShell *shell);
static void pika_display_shell_guide_remove_handler (PikaImage *image,
PikaGuide *guide,
PikaDisplayShell *shell);
static void pika_display_shell_guide_move_handler (PikaImage *image,
PikaGuide *guide,
PikaDisplayShell *shell);
static void pika_display_shell_sample_point_add_handler (PikaImage *image,
PikaSamplePoint *sample_point,
PikaDisplayShell *shell);
static void pika_display_shell_sample_point_remove_handler(PikaImage *image,
PikaSamplePoint *sample_point,
PikaDisplayShell *shell);
static void pika_display_shell_sample_point_move_handler (PikaImage *image,
PikaSamplePoint *sample_point,
PikaDisplayShell *shell);
static void pika_display_shell_mode_changed_handler (PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_precision_changed_handler (PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_profile_changed_handler (PikaColorManaged *image,
PikaDisplayShell *shell);
static void pika_display_shell_saved_handler (PikaImage *image,
GFile *file,
PikaDisplayShell *shell);
static void pika_display_shell_exported_handler (PikaImage *image,
GFile *file,
PikaDisplayShell *shell);
static void pika_display_shell_active_vectors_handler (PikaImage *image,
PikaDisplayShell *shell);
static void pika_display_shell_vectors_freeze_handler (PikaVectors *vectors,
PikaDisplayShell *shell);
static void pika_display_shell_vectors_thaw_handler (PikaVectors *vectors,
PikaDisplayShell *shell);
static void pika_display_shell_vectors_visible_handler (PikaVectors *vectors,
PikaDisplayShell *shell);
static void pika_display_shell_vectors_add_handler (PikaContainer *container,
PikaVectors *vectors,
PikaDisplayShell *shell);
static void pika_display_shell_vectors_remove_handler (PikaContainer *container,
PikaVectors *vectors,
PikaDisplayShell *shell);
static void pika_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_title_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_nav_size_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_padding_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_ants_speed_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_quality_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_color_config_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell);
static void pika_display_shell_display_changed_handler (PikaContext *context,
PikaDisplay *display,
PikaDisplayShell *shell);
/* public functions */
void
pika_display_shell_connect (PikaDisplayShell *shell)
{
PikaImage *image;
PikaContainer *vectors;
PikaDisplayConfig *config;
PikaColorConfig *color_config;
PikaContext *user_context;
GList *list;
g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
g_return_if_fail (PIKA_IS_DISPLAY (shell->display));
image = pika_display_get_image (shell->display);
g_return_if_fail (PIKA_IS_IMAGE (image));
vectors = pika_image_get_vectors (image);
config = shell->display->config;
color_config = PIKA_CORE_CONFIG (config)->color_management;
user_context = pika_get_user_context (shell->display->pika);
g_signal_connect (image, "clean",
G_CALLBACK (pika_display_shell_clean_dirty_handler),
shell);
g_signal_connect (image, "dirty",
G_CALLBACK (pika_display_shell_clean_dirty_handler),
shell);
g_signal_connect (image, "undo-event",
G_CALLBACK (pika_display_shell_undo_event_handler),
shell);
g_signal_connect (pika_image_get_grid (image), "notify",
G_CALLBACK (pika_display_shell_grid_notify_handler),
shell);
g_object_set (shell->grid, "grid", pika_image_get_grid (image), NULL);
g_signal_connect (image, "name-changed",
G_CALLBACK (pika_display_shell_name_changed_handler),
shell);
g_signal_connect (image, "selection-invalidate",
G_CALLBACK (pika_display_shell_selection_invalidate_handler),
shell);
g_signal_connect (image, "component-visibility-changed",
G_CALLBACK (pika_display_shell_component_visibility_changed_handler),
shell);
g_signal_connect (image, "size-changed-detailed",
G_CALLBACK (pika_display_shell_size_changed_detailed_handler),
shell);
g_signal_connect (image, "resolution-changed",
G_CALLBACK (pika_display_shell_resolution_changed_handler),
shell);
g_signal_connect (image, "quick-mask-changed",
G_CALLBACK (pika_display_shell_quick_mask_changed_handler),
shell);
g_signal_connect (image, "guide-added",
G_CALLBACK (pika_display_shell_guide_add_handler),
shell);
g_signal_connect (image, "guide-removed",
G_CALLBACK (pika_display_shell_guide_remove_handler),
shell);
g_signal_connect (image, "guide-moved",
G_CALLBACK (pika_display_shell_guide_move_handler),
shell);
for (list = pika_image_get_guides (image);
list;
list = g_list_next (list))
{
pika_display_shell_guide_add_handler (image, list->data, shell);
}
g_signal_connect (image, "sample-point-added",
G_CALLBACK (pika_display_shell_sample_point_add_handler),
shell);
g_signal_connect (image, "sample-point-removed",
G_CALLBACK (pika_display_shell_sample_point_remove_handler),
shell);
g_signal_connect (image, "sample-point-moved",
G_CALLBACK (pika_display_shell_sample_point_move_handler),
shell);
for (list = pika_image_get_sample_points (image);
list;
list = g_list_next (list))
{
pika_display_shell_sample_point_add_handler (image, list->data, shell);
}
g_signal_connect (image, "mode-changed",
G_CALLBACK (pika_display_shell_mode_changed_handler),
shell);
g_signal_connect (image, "precision-changed",
G_CALLBACK (pika_display_shell_precision_changed_handler),
shell);
g_signal_connect (image, "profile-changed",
G_CALLBACK (pika_display_shell_profile_changed_handler),
shell);
g_signal_connect_swapped (image, "simulation-profile-changed",
G_CALLBACK (pika_display_shell_profile_update),
shell);
g_signal_connect_swapped (image, "simulation-intent-changed",
G_CALLBACK (pika_display_shell_profile_update),
shell);
g_signal_connect_swapped (image, "simulation-bpc-changed",
G_CALLBACK (pika_display_shell_profile_update),
shell);
g_signal_connect (image, "saved",
G_CALLBACK (pika_display_shell_saved_handler),
shell);
g_signal_connect (image, "exported",
G_CALLBACK (pika_display_shell_exported_handler),
shell);
g_signal_connect (image, "selected-vectors-changed",
G_CALLBACK (pika_display_shell_active_vectors_handler),
shell);
shell->vectors_freeze_handler =
pika_tree_handler_connect (vectors, "freeze",
G_CALLBACK (pika_display_shell_vectors_freeze_handler),
shell);
shell->vectors_thaw_handler =
pika_tree_handler_connect (vectors, "thaw",
G_CALLBACK (pika_display_shell_vectors_thaw_handler),
shell);
shell->vectors_visible_handler =
pika_tree_handler_connect (vectors, "visibility-changed",
G_CALLBACK (pika_display_shell_vectors_visible_handler),
shell);
g_signal_connect (vectors, "add",
G_CALLBACK (pika_display_shell_vectors_add_handler),
shell);
g_signal_connect (vectors, "remove",
G_CALLBACK (pika_display_shell_vectors_remove_handler),
shell);
for (list = pika_item_stack_get_item_iter (PIKA_ITEM_STACK (vectors));
list;
list = g_list_next (list))
{
pika_display_shell_vectors_add_handler (vectors, list->data, shell);
}
g_signal_connect (config,
"notify::transparency-size",
G_CALLBACK (pika_display_shell_check_notify_handler),
shell);
g_signal_connect (config,
"notify::transparency-type",
G_CALLBACK (pika_display_shell_check_notify_handler),
shell);
g_signal_connect (config,
"notify::transparency-custom-color1",
G_CALLBACK (pika_display_shell_check_notify_handler),
shell);
g_signal_connect (config,
"notify::transparency-custom-color2",
G_CALLBACK (pika_display_shell_check_notify_handler),
shell);
g_signal_connect (config,
"notify::image-title-format",
G_CALLBACK (pika_display_shell_title_notify_handler),
shell);
g_signal_connect (config,
"notify::image-status-format",
G_CALLBACK (pika_display_shell_title_notify_handler),
shell);
g_signal_connect (config,
"notify::navigation-preview-size",
G_CALLBACK (pika_display_shell_nav_size_notify_handler),
shell);
g_signal_connect (config,
"notify::monitor-resolution-from-windowing-system",
G_CALLBACK (pika_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (config,
"notify::monitor-xresolution",
G_CALLBACK (pika_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (config,
"notify::monitor-yresolution",
G_CALLBACK (pika_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (config->default_view,
"notify::padding-mode",
G_CALLBACK (pika_display_shell_padding_notify_handler),
shell);
g_signal_connect (config->default_view,
"notify::padding-color",
G_CALLBACK (pika_display_shell_padding_notify_handler),
shell);
g_signal_connect (config->default_fullscreen_view,
"notify::padding-mode",
G_CALLBACK (pika_display_shell_padding_notify_handler),
shell);
g_signal_connect (config->default_fullscreen_view,
"notify::padding-color",
G_CALLBACK (pika_display_shell_padding_notify_handler),
shell);
g_signal_connect (config,
"notify::marching-ants-speed",
G_CALLBACK (pika_display_shell_ants_speed_notify_handler),
shell);
g_signal_connect (config,
"notify::zoom-quality",
G_CALLBACK (pika_display_shell_quality_notify_handler),
shell);
g_signal_connect (color_config, "notify",
G_CALLBACK (pika_display_shell_color_config_notify_handler),
shell);
g_signal_connect (user_context, "display-changed",
G_CALLBACK (pika_display_shell_display_changed_handler),
shell);
pika_display_shell_active_vectors_handler (image, shell);
pika_display_shell_quick_mask_changed_handler (image, shell);
pika_display_shell_profile_changed_handler (PIKA_COLOR_MANAGED (image),
shell);
pika_display_shell_color_config_notify_handler (G_OBJECT (color_config),
NULL, /* sync all */
shell);
pika_canvas_layer_boundary_set_layers (PIKA_CANVAS_LAYER_BOUNDARY (shell->layer_boundary),
pika_image_get_selected_layers (image));
pika_canvas_canvas_boundary_set_image (PIKA_CANVAS_CANVAS_BOUNDARY (shell->canvas_boundary),
image);
if (shell->show_all)
{
pika_image_inc_show_all_count (image);
pika_image_flush (image);
}
}
void
pika_display_shell_disconnect (PikaDisplayShell *shell)
{
PikaImage *image;
PikaContainer *vectors;
PikaDisplayConfig *config;
PikaColorConfig *color_config;
PikaContext *user_context;
GList *list;
g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
g_return_if_fail (PIKA_IS_DISPLAY (shell->display));
image = pika_display_get_image (shell->display);
g_return_if_fail (PIKA_IS_IMAGE (image));
vectors = pika_image_get_vectors (image);
config = shell->display->config;
color_config = PIKA_CORE_CONFIG (config)->color_management;
user_context = pika_get_user_context (shell->display->pika);
pika_canvas_layer_boundary_set_layers (PIKA_CANVAS_LAYER_BOUNDARY (shell->layer_boundary),
NULL);
pika_canvas_canvas_boundary_set_image (PIKA_CANVAS_CANVAS_BOUNDARY (shell->canvas_boundary),
NULL);
g_signal_handlers_disconnect_by_func (user_context,
pika_display_shell_display_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (color_config,
pika_display_shell_color_config_notify_handler,
shell);
shell->color_config_set = FALSE;
g_signal_handlers_disconnect_by_func (config,
pika_display_shell_quality_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config,
pika_display_shell_ants_speed_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config->default_fullscreen_view,
pika_display_shell_padding_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config->default_view,
pika_display_shell_padding_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config,
pika_display_shell_monitor_res_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config,
pika_display_shell_nav_size_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config,
pika_display_shell_title_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (config,
pika_display_shell_check_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (vectors,
pika_display_shell_vectors_remove_handler,
shell);
g_signal_handlers_disconnect_by_func (vectors,
pika_display_shell_vectors_add_handler,
shell);
pika_tree_handler_disconnect (shell->vectors_visible_handler);
shell->vectors_visible_handler = NULL;
pika_tree_handler_disconnect (shell->vectors_thaw_handler);
shell->vectors_thaw_handler = NULL;
pika_tree_handler_disconnect (shell->vectors_freeze_handler);
shell->vectors_freeze_handler = NULL;
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_active_vectors_handler,
shell);
for (list = pika_item_stack_get_item_iter (PIKA_ITEM_STACK (vectors));
list;
list = g_list_next (list))
{
pika_canvas_proxy_group_remove_item (PIKA_CANVAS_PROXY_GROUP (shell->vectors),
list->data);
}
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_exported_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_saved_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_profile_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_profile_update,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_precision_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_mode_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_guide_add_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_guide_remove_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_guide_move_handler,
shell);
for (list = pika_image_get_guides (image);
list;
list = g_list_next (list))
{
pika_canvas_proxy_group_remove_item (PIKA_CANVAS_PROXY_GROUP (shell->guides),
list->data);
}
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_sample_point_add_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_sample_point_remove_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_sample_point_move_handler,
shell);
for (list = pika_image_get_sample_points (image);
list;
list = g_list_next (list))
{
pika_canvas_proxy_group_remove_item (PIKA_CANVAS_PROXY_GROUP (shell->sample_points),
list->data);
}
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_quick_mask_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_resolution_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_component_visibility_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_size_changed_detailed_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_selection_invalidate_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_name_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (pika_image_get_grid (image),
pika_display_shell_grid_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_undo_event_handler,
shell);
g_signal_handlers_disconnect_by_func (image,
pika_display_shell_clean_dirty_handler,
shell);
if (shell->show_all)
{
pika_image_dec_show_all_count (image);
pika_image_flush (image);
}
}
/* private functions */
static void
pika_display_shell_clean_dirty_handler (PikaImage *image,
PikaDirtyMask dirty_mask,
PikaDisplayShell *shell)
{
pika_display_shell_title_update (shell);
}
static void
pika_display_shell_undo_event_handler (PikaImage *image,
PikaUndoEvent event,
PikaUndo *undo,
PikaDisplayShell *shell)
{
pika_display_shell_title_update (shell);
}
static void
pika_display_shell_grid_notify_handler (PikaGrid *grid,
GParamSpec *pspec,
PikaDisplayShell *shell)
{
g_object_set (shell->grid, "grid", grid, NULL);
}
static void
pika_display_shell_name_changed_handler (PikaImage *image,
PikaDisplayShell *shell)
{
pika_display_shell_title_update (shell);
}
static void
pika_display_shell_selection_invalidate_handler (PikaImage *image,
PikaDisplayShell *shell)
{
pika_display_shell_selection_undraw (shell);
}
static void
pika_display_shell_resolution_changed_handler (PikaImage *image,
PikaDisplayShell *shell)
{
pika_display_shell_scale_update (shell);
if (shell->dot_for_dot)
{
if (shell->unit != PIKA_UNIT_PIXEL)
{
pika_display_shell_rulers_update (shell);
}
pika_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.
*/
PikaDisplayConfig *config = shell->display->config;
gboolean resize_window;
/* Resize windows only in multi-window mode */
resize_window = (config->resize_windows_on_resize &&
! PIKA_GUI_CONFIG (config)->single_window_mode);
pika_display_shell_scale_resize (shell, resize_window, FALSE);
}
}
static void
pika_display_shell_quick_mask_changed_handler (PikaImage *image,
PikaDisplayShell *shell)
{
GtkImage *gtk_image;
gboolean quick_mask_state;
gtk_image = GTK_IMAGE (gtk_bin_get_child (GTK_BIN (shell->quick_mask_button)));
g_signal_handlers_block_by_func (shell->quick_mask_button,
pika_display_shell_quick_mask_toggled,
shell);
quick_mask_state = pika_image_get_quick_mask_state (image);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->quick_mask_button),
quick_mask_state);
if (quick_mask_state)
gtk_image_set_from_icon_name (gtk_image, PIKA_ICON_QUICK_MASK_ON,
GTK_ICON_SIZE_MENU);
else
gtk_image_set_from_icon_name (gtk_image, PIKA_ICON_QUICK_MASK_OFF,
GTK_ICON_SIZE_MENU);
g_signal_handlers_unblock_by_func (shell->quick_mask_button,
pika_display_shell_quick_mask_toggled,
shell);
}
static void
pika_display_shell_guide_add_handler (PikaImage *image,
PikaGuide *guide,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->guides);
PikaCanvasItem *item;
PikaGuideStyle style;
style = pika_guide_get_style (guide);
item = pika_canvas_guide_new (shell,
pika_guide_get_orientation (guide),
pika_guide_get_position (guide),
style);
pika_canvas_proxy_group_add_item (group, guide, item);
g_object_unref (item);
}
static void
pika_display_shell_guide_remove_handler (PikaImage *image,
PikaGuide *guide,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->guides);
pika_canvas_proxy_group_remove_item (group, guide);
}
static void
pika_display_shell_guide_move_handler (PikaImage *image,
PikaGuide *guide,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->guides);
PikaCanvasItem *item;
item = pika_canvas_proxy_group_get_item (group, guide);
pika_canvas_guide_set (item,
pika_guide_get_orientation (guide),
pika_guide_get_position (guide));
}
static void
pika_display_shell_sample_point_add_handler (PikaImage *image,
PikaSamplePoint *sample_point,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->sample_points);
PikaCanvasItem *item;
GList *list;
gint x;
gint y;
gint i;
pika_sample_point_get_position (sample_point, &x, &y);
item = pika_canvas_sample_point_new (shell, x, y, 0, TRUE);
pika_canvas_proxy_group_add_item (group, sample_point, item);
g_object_unref (item);
for (list = pika_image_get_sample_points (image), i = 1;
list;
list = g_list_next (list), i++)
{
PikaSamplePoint *sample_point = list->data;
item = pika_canvas_proxy_group_get_item (group, sample_point);
if (item)
g_object_set (item,
"index", i,
NULL);
}
}
static void
pika_display_shell_sample_point_remove_handler (PikaImage *image,
PikaSamplePoint *sample_point,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->sample_points);
GList *list;
gint i;
pika_canvas_proxy_group_remove_item (group, sample_point);
for (list = pika_image_get_sample_points (image), i = 1;
list;
list = g_list_next (list), i++)
{
PikaSamplePoint *sample_point = list->data;
PikaCanvasItem *item;
item = pika_canvas_proxy_group_get_item (group, sample_point);
if (item)
g_object_set (item,
"index", i,
NULL);
}
}
static void
pika_display_shell_sample_point_move_handler (PikaImage *image,
PikaSamplePoint *sample_point,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->sample_points);
PikaCanvasItem *item;
gint x;
gint y;
item = pika_canvas_proxy_group_get_item (group, sample_point);
pika_sample_point_get_position (sample_point, &x, &y);
pika_canvas_sample_point_set (item, x, y);
}
static void
pika_display_shell_component_visibility_changed_handler (PikaImage *image,
PikaChannelType channel,
PikaDisplayShell *shell)
{
if (channel == PIKA_CHANNEL_ALPHA && shell->show_all)
pika_display_shell_expose_full (shell);
}
static void
pika_display_shell_size_changed_detailed_handler (PikaImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height,
PikaDisplayShell *shell)
{
PikaDisplayConfig *config = shell->display->config;
gboolean resize_window;
/* Resize windows only in multi-window mode */
resize_window = (config->resize_windows_on_resize &&
! PIKA_GUI_CONFIG (config)->single_window_mode);
if (resize_window)
{
PikaImageWindow *window = pika_display_shell_get_window (shell);
if (window && pika_image_window_get_active_shell (window) == shell)
{
/* If the window is resized just center the image in it when it
* has change size
*/
pika_image_window_shrink_wrap (window, FALSE);
}
}
else
{
PikaImage *image = pika_display_get_image (shell->display);
gint new_width = pika_image_get_width (image);
gint new_height = pika_image_get_height (image);
gint scaled_previous_origin_x;
gint scaled_previous_origin_y;
gboolean horizontally;
gboolean vertically;
scaled_previous_origin_x = SCALEX (shell, previous_origin_x);
scaled_previous_origin_y = SCALEY (shell, previous_origin_y);
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);
pika_display_shell_scroll_set_offset (shell,
shell->offset_x + scaled_previous_origin_x,
shell->offset_y + scaled_previous_origin_y);
if (! pika_display_shell_get_infinite_canvas (shell))
{
pika_display_shell_scroll_center_image (shell,
horizontally, vertically);
}
/* The above calls might not lead to a call to
* pika_display_shell_scroll_clamp_and_update() and
* pika_display_shell_expose_full() in all cases because when
* scaling the old and new scroll offset might be the same.
*
* We need them to be called in all cases, so simply call them
* explicitly here at the end
*/
pika_display_shell_scroll_clamp_and_update (shell);
pika_display_shell_expose_full (shell);
pika_display_shell_render_invalidate_full (shell);
}
}
static void
pika_display_shell_mode_changed_handler (PikaImage *image,
PikaDisplayShell *shell)
{
pika_display_shell_profile_update (shell);
}
static void
pika_display_shell_precision_changed_handler (PikaImage *image,
PikaDisplayShell *shell)
{
pika_display_shell_profile_update (shell);
}
static void
pika_display_shell_profile_changed_handler (PikaColorManaged *image,
PikaDisplayShell *shell)
{
pika_color_managed_profile_changed (PIKA_COLOR_MANAGED (shell));
}
static void
pika_display_shell_saved_handler (PikaImage *image,
GFile *file,
PikaDisplayShell *shell)
{
PikaStatusbar *statusbar = pika_display_shell_get_statusbar (shell);
pika_statusbar_push_temp (statusbar, PIKA_MESSAGE_INFO,
PIKA_ICON_DOCUMENT_SAVE,
_("Image saved to '%s'"),
pika_file_get_utf8_name (file));
}
static void
pika_display_shell_exported_handler (PikaImage *image,
GFile *file,
PikaDisplayShell *shell)
{
PikaStatusbar *statusbar = pika_display_shell_get_statusbar (shell);
pika_statusbar_push_temp (statusbar, PIKA_MESSAGE_INFO,
PIKA_ICON_DOCUMENT_SAVE,
_("Image exported to '%s'"),
pika_file_get_utf8_name (file));
}
static void
pika_display_shell_active_vectors_handler (PikaImage *image,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->vectors);
GList *selected = pika_image_get_selected_vectors (image);
GList *list;
for (list = pika_image_get_vectors_iter (image);
list;
list = g_list_next (list))
{
PikaVectors *vectors = list->data;
PikaCanvasItem *item;
item = pika_canvas_proxy_group_get_item (group, vectors);
pika_canvas_item_set_highlight (item,
g_list_find (selected, vectors) != NULL);
}
}
static void
pika_display_shell_vectors_freeze_handler (PikaVectors *vectors,
PikaDisplayShell *shell)
{
/* do nothing */
}
static void
pika_display_shell_vectors_thaw_handler (PikaVectors *vectors,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->vectors);
PikaCanvasItem *item;
item = pika_canvas_proxy_group_get_item (group, vectors);
pika_canvas_path_set (item, pika_vectors_get_bezier (vectors));
}
static void
pika_display_shell_vectors_visible_handler (PikaVectors *vectors,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->vectors);
PikaCanvasItem *item;
item = pika_canvas_proxy_group_get_item (group, vectors);
pika_canvas_item_set_visible (item,
pika_item_get_visible (PIKA_ITEM (vectors)));
}
static void
pika_display_shell_vectors_add_handler (PikaContainer *container,
PikaVectors *vectors,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->vectors);
PikaCanvasItem *item;
item = pika_canvas_path_new (shell,
pika_vectors_get_bezier (vectors),
0, 0,
FALSE,
PIKA_PATH_STYLE_VECTORS);
pika_canvas_item_set_visible (item,
pika_item_get_visible (PIKA_ITEM (vectors)));
pika_canvas_proxy_group_add_item (group, vectors, item);
g_object_unref (item);
}
static void
pika_display_shell_vectors_remove_handler (PikaContainer *container,
PikaVectors *vectors,
PikaDisplayShell *shell)
{
PikaCanvasProxyGroup *group = PIKA_CANVAS_PROXY_GROUP (shell->vectors);
pika_canvas_proxy_group_remove_item (group, vectors);
}
static void
pika_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
PikaCanvasPaddingMode padding_mode;
PikaRGB padding_color;
g_clear_pointer (&shell->checkerboard, cairo_pattern_destroy);
pika_display_shell_get_padding (shell, &padding_mode, &padding_color);
switch (padding_mode)
{
case PIKA_CANVAS_PADDING_MODE_LIGHT_CHECK:
case PIKA_CANVAS_PADDING_MODE_DARK_CHECK:
pika_display_shell_set_padding (shell, padding_mode, &padding_color);
break;
default:
break;
}
pika_display_shell_expose_full (shell);
}
static void
pika_display_shell_title_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
pika_display_shell_title_update (shell);
}
static void
pika_display_shell_nav_size_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
g_clear_pointer (&shell->nav_popup, gtk_widget_destroy);
}
static void
pika_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
if (PIKA_DISPLAY_CONFIG (config)->monitor_res_from_gdk)
{
pika_get_monitor_resolution (pika_widget_get_monitor (GTK_WIDGET (shell)),
&shell->monitor_xres,
&shell->monitor_yres);
}
else
{
shell->monitor_xres = PIKA_DISPLAY_CONFIG (config)->monitor_xres;
shell->monitor_yres = PIKA_DISPLAY_CONFIG (config)->monitor_yres;
}
pika_display_shell_scale_update (shell);
if (! shell->dot_for_dot)
{
pika_display_shell_scroll_clamp_and_update (shell);
pika_display_shell_scaled (shell);
pika_display_shell_expose_full (shell);
pika_display_shell_render_invalidate_full (shell);
}
}
static void
pika_display_shell_padding_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
PikaDisplayConfig *display_config;
PikaImageWindow *window;
gboolean fullscreen;
PikaCanvasPaddingMode padding_mode;
PikaRGB padding_color;
display_config = shell->display->config;
window = pika_display_shell_get_window (shell);
if (window)
fullscreen = pika_image_window_get_fullscreen (window);
else
fullscreen = FALSE;
/* if the user did not set the padding mode for this display explicitly */
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)
{
pika_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 explicitly */
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
{
pika_display_shell_set_padding (shell, padding_mode, &padding_color);
}
}
}
static void
pika_display_shell_ants_speed_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
pika_display_shell_selection_pause (shell);
pika_display_shell_selection_resume (shell);
}
static void
pika_display_shell_quality_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
pika_display_shell_expose_full (shell);
pika_display_shell_render_invalidate_full (shell);
}
static void
pika_display_shell_color_config_notify_handler (GObject *config,
GParamSpec *param_spec,
PikaDisplayShell *shell)
{
if (param_spec)
{
gboolean copy = TRUE;
if (! strcmp (param_spec->name, "mode") ||
! strcmp (param_spec->name, "display-rendering-intent") ||
! strcmp (param_spec->name, "display-use-black-point-compensation") ||
! strcmp (param_spec->name, "simulation-gamut-check"))
{
if (shell->color_config_set)
copy = FALSE;
}
if (copy)
{
GValue value = G_VALUE_INIT;
g_value_init (&value, param_spec->value_type);
g_object_get_property (config,
param_spec->name, &value);
g_object_set_property (G_OBJECT (shell->color_config),
param_spec->name, &value);
g_value_unset (&value);
}
}
else
{
pika_config_copy (PIKA_CONFIG (config),
PIKA_CONFIG (shell->color_config),
0);
shell->color_config_set = FALSE;
}
}
static void
pika_display_shell_display_changed_handler (PikaContext *context,
PikaDisplay *display,
PikaDisplayShell *shell)
{
if (shell->display == display)
pika_display_shell_update_priority_rect (shell);
}