diff options
Diffstat (limited to '')
| -rw-r--r-- | app/display/gimpdisplayshell-handlers.c | 1239 |
1 files changed, 1239 insertions, 0 deletions
diff --git a/app/display/gimpdisplayshell-handlers.c b/app/display/gimpdisplayshell-handlers.c new file mode 100644 index 0000000..7680467 --- /dev/null +++ b/app/display/gimpdisplayshell-handlers.c @@ -0,0 +1,1239 @@ +/* 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 <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpcolor/gimpcolor.h" +#include "libgimpconfig/gimpconfig.h" +#include "libgimpmath/gimpmath.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "display-types.h" + +#include "config/gimpdisplayoptions.h" +#include "config/gimpguiconfig.h" + +#include "core/gimp.h" +#include "core/gimp-cairo.h" +#include "core/gimpguide.h" +#include "core/gimpimage.h" +#include "core/gimpimage-grid.h" +#include "core/gimpimage-guides.h" +#include "core/gimpimage-quick-mask.h" +#include "core/gimpimage-sample-points.h" +#include "core/gimpitem.h" +#include "core/gimpitemstack.h" +#include "core/gimpsamplepoint.h" +#include "core/gimptreehandler.h" + +#include "vectors/gimpvectors.h" + +#include "widgets/gimpwidgets-utils.h" + +#include "gimpcanvascanvasboundary.h" +#include "gimpcanvasguide.h" +#include "gimpcanvaslayerboundary.h" +#include "gimpcanvaspath.h" +#include "gimpcanvasproxygroup.h" +#include "gimpcanvassamplepoint.h" +#include "gimpdisplay.h" +#include "gimpdisplayshell.h" +#include "gimpdisplayshell-appearance.h" +#include "gimpdisplayshell-callbacks.h" +#include "gimpdisplayshell-expose.h" +#include "gimpdisplayshell-handlers.h" +#include "gimpdisplayshell-icon.h" +#include "gimpdisplayshell-profile.h" +#include "gimpdisplayshell-rulers.h" +#include "gimpdisplayshell-scale.h" +#include "gimpdisplayshell-scroll.h" +#include "gimpdisplayshell-selection.h" +#include "gimpdisplayshell-title.h" +#include "gimpimagewindow.h" +#include "gimpstatusbar.h" + +#include "gimp-intl.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_invalidate_handler + (GimpImage *image, + GimpDisplayShell *shell); +static void gimp_display_shell_component_visibility_changed_handler + (GimpImage *image, + GimpChannelType channel, + 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_guide_add_handler (GimpImage *image, + GimpGuide *guide, + GimpDisplayShell *shell); +static void gimp_display_shell_guide_remove_handler (GimpImage *image, + GimpGuide *guide, + GimpDisplayShell *shell); +static void gimp_display_shell_guide_move_handler (GimpImage *image, + GimpGuide *guide, + GimpDisplayShell *shell); +static void gimp_display_shell_sample_point_add_handler (GimpImage *image, + GimpSamplePoint *sample_point, + GimpDisplayShell *shell); +static void gimp_display_shell_sample_point_remove_handler(GimpImage *image, + GimpSamplePoint *sample_point, + GimpDisplayShell *shell); +static void gimp_display_shell_sample_point_move_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_mode_changed_handler (GimpImage *image, + GimpDisplayShell *shell); +static void gimp_display_shell_precision_changed_handler (GimpImage *image, + GimpDisplayShell *shell); +static void gimp_display_shell_profile_changed_handler (GimpColorManaged *image, + GimpDisplayShell *shell); +static void gimp_display_shell_saved_handler (GimpImage *image, + GFile *file, + GimpDisplayShell *shell); +static void gimp_display_shell_exported_handler (GimpImage *image, + GFile *file, + GimpDisplayShell *shell); + +static void gimp_display_shell_active_vectors_handler (GimpImage *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); +static void gimp_display_shell_color_config_notify_handler (GObject *config, + GParamSpec *param_spec, + GimpDisplayShell *shell); +static void gimp_display_shell_display_changed_handler (GimpContext *context, + GimpDisplay *display, + GimpDisplayShell *shell); + + +/* public functions */ + +void +gimp_display_shell_connect (GimpDisplayShell *shell) +{ + GimpImage *image; + GimpContainer *vectors; + GimpDisplayConfig *config; + GimpColorConfig *color_config; + GimpContext *user_context; + GList *list; + + g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell)); + g_return_if_fail (GIMP_IS_DISPLAY (shell->display)); + + image = gimp_display_get_image (shell->display); + + g_return_if_fail (GIMP_IS_IMAGE (image)); + + vectors = gimp_image_get_vectors (image); + + config = shell->display->config; + color_config = GIMP_CORE_CONFIG (config)->color_management; + + user_context = gimp_get_user_context (shell->display->gimp); + + 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 (gimp_image_get_grid (image), "notify", + G_CALLBACK (gimp_display_shell_grid_notify_handler), + shell); + g_object_set (shell->grid, "grid", gimp_image_get_grid (image), NULL); + + g_signal_connect (image, "name-changed", + G_CALLBACK (gimp_display_shell_name_changed_handler), + shell); + g_signal_connect (image, "selection-invalidate", + G_CALLBACK (gimp_display_shell_selection_invalidate_handler), + shell); + g_signal_connect (image, "component-visibility-changed", + G_CALLBACK (gimp_display_shell_component_visibility_changed_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, "guide-added", + G_CALLBACK (gimp_display_shell_guide_add_handler), + shell); + g_signal_connect (image, "guide-removed", + G_CALLBACK (gimp_display_shell_guide_remove_handler), + shell); + g_signal_connect (image, "guide-moved", + G_CALLBACK (gimp_display_shell_guide_move_handler), + shell); + for (list = gimp_image_get_guides (image); + list; + list = g_list_next (list)) + { + gimp_display_shell_guide_add_handler (image, list->data, shell); + } + + g_signal_connect (image, "sample-point-added", + G_CALLBACK (gimp_display_shell_sample_point_add_handler), + shell); + g_signal_connect (image, "sample-point-removed", + G_CALLBACK (gimp_display_shell_sample_point_remove_handler), + shell); + g_signal_connect (image, "sample-point-moved", + G_CALLBACK (gimp_display_shell_sample_point_move_handler), + shell); + for (list = gimp_image_get_sample_points (image); + list; + list = g_list_next (list)) + { + gimp_display_shell_sample_point_add_handler (image, list->data, shell); + } + + g_signal_connect (image, "invalidate-preview", + G_CALLBACK (gimp_display_shell_invalidate_preview_handler), + shell); + g_signal_connect (image, "mode-changed", + G_CALLBACK (gimp_display_shell_mode_changed_handler), + shell); + g_signal_connect (image, "precision-changed", + G_CALLBACK (gimp_display_shell_precision_changed_handler), + shell); + g_signal_connect (image, "profile-changed", + G_CALLBACK (gimp_display_shell_profile_changed_handler), + shell); + g_signal_connect (image, "saved", + G_CALLBACK (gimp_display_shell_saved_handler), + shell); + g_signal_connect (image, "exported", + G_CALLBACK (gimp_display_shell_exported_handler), + shell); + + g_signal_connect (image, "active-vectors-changed", + G_CALLBACK (gimp_display_shell_active_vectors_handler), + shell); + + shell->vectors_freeze_handler = + gimp_tree_handler_connect (vectors, "freeze", + G_CALLBACK (gimp_display_shell_vectors_freeze_handler), + shell); + shell->vectors_thaw_handler = + gimp_tree_handler_connect (vectors, "thaw", + G_CALLBACK (gimp_display_shell_vectors_thaw_handler), + shell); + shell->vectors_visible_handler = + gimp_tree_handler_connect (vectors, "visibility-changed", + G_CALLBACK (gimp_display_shell_vectors_visible_handler), + shell); + + g_signal_connect (vectors, "add", + G_CALLBACK (gimp_display_shell_vectors_add_handler), + shell); + g_signal_connect (vectors, "remove", + G_CALLBACK (gimp_display_shell_vectors_remove_handler), + shell); + for (list = gimp_item_stack_get_item_iter (GIMP_ITEM_STACK (vectors)); + list; + list = g_list_next (list)) + { + gimp_display_shell_vectors_add_handler (vectors, list->data, shell); + } + + g_signal_connect (config, + "notify::transparency-size", + G_CALLBACK (gimp_display_shell_check_notify_handler), + shell); + g_signal_connect (config, + "notify::transparency-type", + G_CALLBACK (gimp_display_shell_check_notify_handler), + shell); + + g_signal_connect (config, + "notify::image-title-format", + G_CALLBACK (gimp_display_shell_title_notify_handler), + shell); + g_signal_connect (config, + "notify::image-status-format", + G_CALLBACK (gimp_display_shell_title_notify_handler), + shell); + g_signal_connect (config, + "notify::navigation-preview-size", + G_CALLBACK (gimp_display_shell_nav_size_notify_handler), + shell); + g_signal_connect (config, + "notify::monitor-resolution-from-windowing-system", + G_CALLBACK (gimp_display_shell_monitor_res_notify_handler), + shell); + g_signal_connect (config, + "notify::monitor-xresolution", + G_CALLBACK (gimp_display_shell_monitor_res_notify_handler), + shell); + g_signal_connect (config, + "notify::monitor-yresolution", + G_CALLBACK (gimp_display_shell_monitor_res_notify_handler), + shell); + + g_signal_connect (config->default_view, + "notify::padding-mode", + G_CALLBACK (gimp_display_shell_padding_notify_handler), + shell); + g_signal_connect (config->default_view, + "notify::padding-color", + G_CALLBACK (gimp_display_shell_padding_notify_handler), + shell); + g_signal_connect (config->default_fullscreen_view, + "notify::padding-mode", + G_CALLBACK (gimp_display_shell_padding_notify_handler), + shell); + g_signal_connect (config->default_fullscreen_view, + "notify::padding-color", + G_CALLBACK (gimp_display_shell_padding_notify_handler), + shell); + + g_signal_connect (config, + "notify::marching-ants-speed", + G_CALLBACK (gimp_display_shell_ants_speed_notify_handler), + shell); + + g_signal_connect (config, + "notify::zoom-quality", + G_CALLBACK (gimp_display_shell_quality_notify_handler), + shell); + + g_signal_connect (color_config, "notify", + G_CALLBACK (gimp_display_shell_color_config_notify_handler), + shell); + + g_signal_connect (user_context, "display-changed", + G_CALLBACK (gimp_display_shell_display_changed_handler), + shell); + + gimp_display_shell_active_vectors_handler (image, shell); + gimp_display_shell_invalidate_preview_handler (image, shell); + gimp_display_shell_quick_mask_changed_handler (image, shell); + gimp_display_shell_profile_changed_handler (GIMP_COLOR_MANAGED (image), + shell); + gimp_display_shell_color_config_notify_handler (G_OBJECT (color_config), + NULL, /* sync all */ + shell); + + gimp_canvas_layer_boundary_set_layer (GIMP_CANVAS_LAYER_BOUNDARY (shell->layer_boundary), + gimp_image_get_active_layer (image)); + + gimp_canvas_canvas_boundary_set_image (GIMP_CANVAS_CANVAS_BOUNDARY (shell->canvas_boundary), + image); + + if (shell->show_all) + { + gimp_image_inc_show_all_count (image); + + gimp_image_flush (image); + } +} + +void +gimp_display_shell_disconnect (GimpDisplayShell *shell) +{ + GimpImage *image; + GimpContainer *vectors; + GimpDisplayConfig *config; + GimpColorConfig *color_config; + GimpContext *user_context; + GList *list; + + g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell)); + g_return_if_fail (GIMP_IS_DISPLAY (shell->display)); + + image = gimp_display_get_image (shell->display); + + g_return_if_fail (GIMP_IS_IMAGE (image)); + + vectors = gimp_image_get_vectors (image); + + config = shell->display->config; + color_config = GIMP_CORE_CONFIG (config)->color_management; + + user_context = gimp_get_user_context (shell->display->gimp); + + gimp_display_shell_icon_update_stop (shell); + + gimp_canvas_layer_boundary_set_layer (GIMP_CANVAS_LAYER_BOUNDARY (shell->layer_boundary), + NULL); + + gimp_canvas_canvas_boundary_set_image (GIMP_CANVAS_CANVAS_BOUNDARY (shell->canvas_boundary), + NULL); + + g_signal_handlers_disconnect_by_func (user_context, + gimp_display_shell_display_changed_handler, + shell); + + g_signal_handlers_disconnect_by_func (color_config, + gimp_display_shell_color_config_notify_handler, + shell); + shell->color_config_set = FALSE; + + g_signal_handlers_disconnect_by_func (config, + gimp_display_shell_quality_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config, + gimp_display_shell_ants_speed_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config->default_fullscreen_view, + gimp_display_shell_padding_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config->default_view, + gimp_display_shell_padding_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config, + gimp_display_shell_monitor_res_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config, + gimp_display_shell_nav_size_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config, + gimp_display_shell_title_notify_handler, + shell); + g_signal_handlers_disconnect_by_func (config, + gimp_display_shell_check_notify_handler, + shell); + + g_signal_handlers_disconnect_by_func (vectors, + gimp_display_shell_vectors_remove_handler, + shell); + g_signal_handlers_disconnect_by_func (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_active_vectors_handler, + shell); + + for (list = gimp_item_stack_get_item_iter (GIMP_ITEM_STACK (vectors)); + list; + list = g_list_next (list)) + { + gimp_canvas_proxy_group_remove_item (GIMP_CANVAS_PROXY_GROUP (shell->vectors), + list->data); + } + + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_exported_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_saved_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_profile_changed_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_precision_changed_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_mode_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_guide_add_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_guide_remove_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_guide_move_handler, + shell); + for (list = gimp_image_get_guides (image); + list; + list = g_list_next (list)) + { + gimp_canvas_proxy_group_remove_item (GIMP_CANVAS_PROXY_GROUP (shell->guides), + list->data); + } + + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_sample_point_add_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_sample_point_remove_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_sample_point_move_handler, + shell); + for (list = gimp_image_get_sample_points (image); + list; + list = g_list_next (list)) + { + gimp_canvas_proxy_group_remove_item (GIMP_CANVAS_PROXY_GROUP (shell->sample_points), + list->data); + } + + 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_component_visibility_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_invalidate_handler, + shell); + g_signal_handlers_disconnect_by_func (image, + gimp_display_shell_name_changed_handler, + shell); + g_signal_handlers_disconnect_by_func (gimp_image_get_grid (image), + 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); + + if (shell->show_all) + { + gimp_image_dec_show_all_count (image); + + gimp_image_flush (image); + } +} + + +/* 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) +{ + g_object_set (shell->grid, "grid", grid, NULL); +} + +static void +gimp_display_shell_name_changed_handler (GimpImage *image, + GimpDisplayShell *shell) +{ + gimp_display_shell_title_update (shell); +} + +static void +gimp_display_shell_selection_invalidate_handler (GimpImage *image, + GimpDisplayShell *shell) +{ + gimp_display_shell_selection_undraw (shell); +} + +static void +gimp_display_shell_resolution_changed_handler (GimpImage *image, + GimpDisplayShell *shell) +{ + gimp_display_shell_scale_update (shell); + + if (shell->dot_for_dot) + { + if (shell->unit != GIMP_UNIT_PIXEL) + { + gimp_display_shell_rulers_update (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. + */ + + GimpDisplayConfig *config = shell->display->config; + gboolean resize_window; + + /* Resize windows only in multi-window mode */ + resize_window = (config->resize_windows_on_resize && + ! GIMP_GUI_CONFIG (config)->single_window_mode); + + gimp_display_shell_scale_resize (shell, resize_window, FALSE); + } +} + +static void +gimp_display_shell_quick_mask_changed_handler (GimpImage *image, + GimpDisplayShell *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, + gimp_display_shell_quick_mask_toggled, + shell); + + quick_mask_state = gimp_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, GIMP_ICON_QUICK_MASK_ON, + GTK_ICON_SIZE_MENU); + else + gtk_image_set_from_icon_name (gtk_image, GIMP_ICON_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_guide_add_handler (GimpImage *image, + GimpGuide *guide, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->guides); + GimpCanvasItem *item; + GimpGuideStyle style; + + style = gimp_guide_get_style (guide); + item = gimp_canvas_guide_new (shell, + gimp_guide_get_orientation (guide), + gimp_guide_get_position (guide), + style); + + gimp_canvas_proxy_group_add_item (group, guide, item); + g_object_unref (item); +} + +static void +gimp_display_shell_guide_remove_handler (GimpImage *image, + GimpGuide *guide, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->guides); + + gimp_canvas_proxy_group_remove_item (group, guide); +} + +static void +gimp_display_shell_guide_move_handler (GimpImage *image, + GimpGuide *guide, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->guides); + GimpCanvasItem *item; + + item = gimp_canvas_proxy_group_get_item (group, guide); + + gimp_canvas_guide_set (item, + gimp_guide_get_orientation (guide), + gimp_guide_get_position (guide)); +} + +static void +gimp_display_shell_sample_point_add_handler (GimpImage *image, + GimpSamplePoint *sample_point, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->sample_points); + GimpCanvasItem *item; + GList *list; + gint x; + gint y; + gint i; + + gimp_sample_point_get_position (sample_point, &x, &y); + + item = gimp_canvas_sample_point_new (shell, x, y, 0, TRUE); + + gimp_canvas_proxy_group_add_item (group, sample_point, item); + g_object_unref (item); + + for (list = gimp_image_get_sample_points (image), i = 1; + list; + list = g_list_next (list), i++) + { + GimpSamplePoint *sample_point = list->data; + + item = gimp_canvas_proxy_group_get_item (group, sample_point); + + if (item) + g_object_set (item, + "index", i, + NULL); + } +} + +static void +gimp_display_shell_sample_point_remove_handler (GimpImage *image, + GimpSamplePoint *sample_point, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->sample_points); + GList *list; + gint i; + + gimp_canvas_proxy_group_remove_item (group, sample_point); + + for (list = gimp_image_get_sample_points (image), i = 1; + list; + list = g_list_next (list), i++) + { + GimpSamplePoint *sample_point = list->data; + GimpCanvasItem *item; + + item = gimp_canvas_proxy_group_get_item (group, sample_point); + + if (item) + g_object_set (item, + "index", i, + NULL); + } +} + +static void +gimp_display_shell_sample_point_move_handler (GimpImage *image, + GimpSamplePoint *sample_point, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->sample_points); + GimpCanvasItem *item; + gint x; + gint y; + + item = gimp_canvas_proxy_group_get_item (group, sample_point); + + gimp_sample_point_get_position (sample_point, &x, &y); + + gimp_canvas_sample_point_set (item, x, y); +} + +static void +gimp_display_shell_component_visibility_changed_handler (GimpImage *image, + GimpChannelType channel, + GimpDisplayShell *shell) +{ + if (channel == GIMP_CHANNEL_ALPHA && shell->show_all) + gimp_display_shell_expose_full (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) +{ + GimpDisplayConfig *config = shell->display->config; + gboolean resize_window; + + /* Resize windows only in multi-window mode */ + resize_window = (config->resize_windows_on_resize && + ! GIMP_GUI_CONFIG (config)->single_window_mode); + + if (resize_window) + { + GimpImageWindow *window = gimp_display_shell_get_window (shell); + + if (window && gimp_image_window_get_active_shell (window) == shell) + { + /* If the window is resized just center the image in it when it + * has change size + */ + gimp_image_window_shrink_wrap (window, FALSE); + } + } + else + { + GimpImage *image = gimp_display_get_image (shell->display); + gint new_width = gimp_image_get_width (image); + gint new_height = gimp_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); + + gimp_display_shell_scroll_set_offset (shell, + shell->offset_x + scaled_previous_origin_x, + shell->offset_y + scaled_previous_origin_y); + + if (! gimp_display_shell_get_infinite_canvas (shell)) + { + 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() and + * gimp_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 + */ + 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_update (shell); +} + +static void +gimp_display_shell_mode_changed_handler (GimpImage *image, + GimpDisplayShell *shell) +{ + gimp_display_shell_profile_update (shell); +} + +static void +gimp_display_shell_precision_changed_handler (GimpImage *image, + GimpDisplayShell *shell) +{ + gimp_display_shell_profile_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_saved_handler (GimpImage *image, + GFile *file, + GimpDisplayShell *shell) +{ + GimpStatusbar *statusbar = gimp_display_shell_get_statusbar (shell); + + gimp_statusbar_push_temp (statusbar, GIMP_MESSAGE_INFO, + GIMP_ICON_DOCUMENT_SAVE, + _("Image saved to '%s'"), + gimp_file_get_utf8_name (file)); +} + +static void +gimp_display_shell_exported_handler (GimpImage *image, + GFile *file, + GimpDisplayShell *shell) +{ + GimpStatusbar *statusbar = gimp_display_shell_get_statusbar (shell); + + gimp_statusbar_push_temp (statusbar, GIMP_MESSAGE_INFO, + GIMP_ICON_DOCUMENT_SAVE, + _("Image exported to '%s'"), + gimp_file_get_utf8_name (file)); +} + +static void +gimp_display_shell_active_vectors_handler (GimpImage *image, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors); + GimpVectors *active = gimp_image_get_active_vectors (image); + GList *list; + + for (list = gimp_image_get_vectors_iter (image); + list; + list = g_list_next (list)) + { + GimpVectors *vectors = list->data; + GimpCanvasItem *item; + + item = gimp_canvas_proxy_group_get_item (group, vectors); + + gimp_canvas_item_set_highlight (item, vectors == active); + } +} + +static void +gimp_display_shell_vectors_freeze_handler (GimpVectors *vectors, + GimpDisplayShell *shell) +{ + /* do nothing */ +} + +static void +gimp_display_shell_vectors_thaw_handler (GimpVectors *vectors, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors); + GimpCanvasItem *item; + + item = gimp_canvas_proxy_group_get_item (group, vectors); + + gimp_canvas_path_set (item, gimp_vectors_get_bezier (vectors)); +} + +static void +gimp_display_shell_vectors_visible_handler (GimpVectors *vectors, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors); + GimpCanvasItem *item; + + item = gimp_canvas_proxy_group_get_item (group, vectors); + + gimp_canvas_item_set_visible (item, + gimp_item_get_visible (GIMP_ITEM (vectors))); +} + +static void +gimp_display_shell_vectors_add_handler (GimpContainer *container, + GimpVectors *vectors, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors); + GimpCanvasItem *item; + + item = gimp_canvas_path_new (shell, + gimp_vectors_get_bezier (vectors), + 0, 0, + FALSE, + GIMP_PATH_STYLE_VECTORS); + gimp_canvas_item_set_visible (item, + gimp_item_get_visible (GIMP_ITEM (vectors))); + + gimp_canvas_proxy_group_add_item (group, vectors, item); + g_object_unref (item); +} + +static void +gimp_display_shell_vectors_remove_handler (GimpContainer *container, + GimpVectors *vectors, + GimpDisplayShell *shell) +{ + GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors); + + gimp_canvas_proxy_group_remove_item (group, vectors); +} + +static void +gimp_display_shell_check_notify_handler (GObject *config, + GParamSpec *param_spec, + GimpDisplayShell *shell) +{ + GimpCanvasPaddingMode padding_mode; + GimpRGB padding_color; + + g_clear_pointer (&shell->checkerboard, cairo_pattern_destroy); + + 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) +{ + g_clear_pointer (&shell->nav_popup, gtk_widget_destroy); +} + +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_monitor_resolution (gtk_widget_get_screen (GTK_WIDGET (shell)), + gimp_widget_get_monitor (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_update (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; + GimpImageWindow *window; + gboolean fullscreen; + GimpCanvasPaddingMode padding_mode; + GimpRGB padding_color; + + display_config = shell->display->config; + + window = gimp_display_shell_get_window (shell); + + if (window) + fullscreen = gimp_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) + { + 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 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 + { + 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_pause (shell); + gimp_display_shell_selection_resume (shell); +} + +static void +gimp_display_shell_quality_notify_handler (GObject *config, + GParamSpec *param_spec, + GimpDisplayShell *shell) +{ + gimp_display_shell_expose_full (shell); +} + +static void +gimp_display_shell_color_config_notify_handler (GObject *config, + GParamSpec *param_spec, + GimpDisplayShell *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, "printer-profile") || + ! strcmp (param_spec->name, "simulation-rendering-intent") || + ! strcmp (param_spec->name, "simulation-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 + { + gimp_config_copy (GIMP_CONFIG (config), + GIMP_CONFIG (shell->color_config), + 0); + shell->color_config_set = FALSE; + } +} + +static void +gimp_display_shell_display_changed_handler (GimpContext *context, + GimpDisplay *display, + GimpDisplayShell *shell) +{ + if (shell->display == display) + gimp_display_shell_update_priority_rect (shell); +} |