[gnome-photos/wip/rishi/zoom: 2/4] application: Add zoom-in/out actions



commit 3cd81ffd0b9ddd61a3e7b770c63a64047b9e1010
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Mar 29 11:03:39 2017 +0200

    application: Add zoom-in/out actions

 src/photos-application.c   |   24 ++++++++++++++++++++++++
 src/photos-help-overlay.ui |   21 +++++++++++++++++++++
 2 files changed, 45 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-application.c b/src/photos-application.c
index 89b575d..04c12de 100644
--- a/src/photos-application.c
+++ b/src/photos-application.c
@@ -110,6 +110,9 @@ struct _PhotosApplication
   GSimpleAction *set_ss_action;
   GSimpleAction *share_action;
   GSimpleAction *sharpen_action;
+  GSimpleAction *zoom_best_fit_action;
+  GSimpleAction *zoom_in_action;
+  GSimpleAction *zoom_out_action;
   GtkWidget *main_window;
   PhotosBaseManager *shr_pnt_mngr;
   PhotosCameraCache *camera_cache;
@@ -363,6 +366,9 @@ photos_application_actions_update (PhotosApplication *self)
   g_simple_action_set_enabled (self->gear_action, enable);
   g_simple_action_set_enabled (self->set_bg_action, enable);
   g_simple_action_set_enabled (self->set_ss_action, enable);
+  g_simple_action_set_enabled (self->zoom_best_fit_action, enable);
+  g_simple_action_set_enabled (self->zoom_in_action, enable);
+  g_simple_action_set_enabled (self->zoom_out_action, enable);
 
   enable = ((load_state == PHOTOS_LOAD_STATE_FINISHED && mode == PHOTOS_WINDOW_MODE_PREVIEW)
             || (selection_mode && item != NULL));
@@ -1658,6 +1664,9 @@ photos_application_startup (GApplication *application)
   const gchar *save_accels[2] = {"<Primary>x", NULL};
   const gchar *search_accels[2] = {"<Primary>f", NULL};
   const gchar *select_all_accels[2] = {"<Primary>a", NULL};
+  const gchar *zoom_best_fit_accels[3] = {"<Primary>0", NULL};
+  const gchar *zoom_in_accels[3] = {"<Primary>plus", "<Primary>equal", NULL};
+  const gchar *zoom_out_accels[2] = {"<Primary>minus", NULL};
 
   G_APPLICATION_CLASS (photos_application_parent_class)->startup (application);
 
@@ -1866,6 +1875,15 @@ photos_application_startup (GApplication *application)
   self->sharpen_action = g_simple_action_new ("sharpen-current", G_VARIANT_TYPE_DOUBLE);
   g_action_map_add_action (G_ACTION_MAP (self), G_ACTION (self->sharpen_action));
 
+  self->zoom_best_fit_action = g_simple_action_new ("zoom-best-fit", NULL);
+  g_action_map_add_action (G_ACTION_MAP (self), G_ACTION (self->zoom_best_fit_action));
+
+  self->zoom_in_action = g_simple_action_new ("zoom-in", NULL);
+  g_action_map_add_action (G_ACTION_MAP (self), G_ACTION (self->zoom_in_action));
+
+  self->zoom_out_action = g_simple_action_new ("zoom-out", NULL);
+  g_action_map_add_action (G_ACTION_MAP (self), G_ACTION (self->zoom_out_action));
+
   g_signal_connect_swapped (self->state->mode_cntrlr,
                             "window-mode-changed",
                             G_CALLBACK (photos_application_window_mode_changed),
@@ -1886,6 +1904,9 @@ photos_application_startup (GApplication *application)
   gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.save-current", save_accels);
   gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.search", search_accels);
   gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.select-all", select_all_accels);
+  gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.zoom-best-fit", zoom_best_fit_accels);
+  gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.zoom-in", zoom_in_accels);
+  gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.zoom-out", zoom_out_accels);
 
   g_signal_connect_swapped (self->state->item_mngr,
                             "load-finished",
@@ -1959,6 +1980,9 @@ photos_application_dispose (GObject *object)
   g_clear_object (&self->set_ss_action);
   g_clear_object (&self->share_action);
   g_clear_object (&self->sharpen_action);
+  g_clear_object (&self->zoom_best_fit_action);
+  g_clear_object (&self->zoom_in_action);
+  g_clear_object (&self->zoom_out_action);
   g_clear_object (&self->shr_pnt_mngr);
   g_clear_object (&self->camera_cache);
   g_clear_object (&self->sel_cntrlr);
diff --git a/src/photos-help-overlay.ui b/src/photos-help-overlay.ui
index 5f00de8..ff09da7 100644
--- a/src/photos-help-overlay.ui
+++ b/src/photos-help-overlay.ui
@@ -146,6 +146,27 @@
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="visible">1</property>
+                <property name="title" translatable="yes" context="shortcut window">Zoom in</property>
+                <property name="accelerator">&lt;Primary&gt;plus</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="title" translatable="yes" context="shortcut window">Zoom out</property>
+                <property name="accelerator">&lt;Primary&gt;minus</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="title" translatable="yes" context="shortcut window">Best fit</property>
+                <property name="accelerator">&lt;Primary&gt;0</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
                 <property name="title" translatable="yes" context="shortcut window">Delete</property>
                 <property name="accelerator">Delete</property>
               </object>


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