[gthumb] preferences dialog: added section to define custom shortcuts



commit ca2392a87753f1e018914b38430309048edf50dd
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Nov 9 18:14:32 2019 +0100

    preferences dialog: added section to define custom shortcuts

 data/ui/meson.build                |   1 +
 data/ui/shortcuts-preferences.ui   |  83 ++++++++++
 gthumb/dlg-preferences-shortcuts.c | 315 +++++++++++++++++++++++++++++++++++++
 gthumb/dlg-preferences-shortcuts.h |  31 ++++
 gthumb/gth-main-default-types.c    |   2 +
 gthumb/meson.build                 |   1 +
 6 files changed, 433 insertions(+)
---
diff --git a/data/ui/meson.build b/data/ui/meson.build
index 3792762b..3429be2b 100644
--- a/data/ui/meson.build
+++ b/data/ui/meson.build
@@ -7,6 +7,7 @@ ui_files = files(
   'overwrite-dialog.ui',
   'personalize-filters.ui',
   'preferences.ui',
+  'shortcuts-preferences.ui',
   'sort-order.ui'
 )
 install_data(ui_files, install_dir : ui_install_dir)
diff --git a/data/ui/shortcuts-preferences.ui b/data/ui/shortcuts-preferences.ui
new file mode 100644
index 00000000..5a0b827a
--- /dev/null
+++ b/data/ui/shortcuts-preferences.ui
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.16"/>
+  <object class="GtkListStore" id="category_liststore">
+    <columns>
+      <!-- column-name category -->
+      <column type="gint"/>
+      <!-- column-name name -->
+      <column type="gchararray"/>
+    </columns>
+    <data>
+      <row>
+        <col id="0">1</col>
+        <col id="1" translatable="yes">User Interface</col>
+      </row>
+      <row>
+        <col id="0">5</col>
+        <col id="1" translatable="yes">File Navigation</col>
+      </row>
+      <row>
+        <col id="0">2</col>
+        <col id="1" translatable="yes">File Edit</col>
+      </row>
+      <row>
+        <col id="0">5</col>
+        <col id="1" translatable="yes">Image View</col>
+      </row>
+      <row>
+        <col id="0">3</col>
+        <col id="1" translatable="yes">Image Edit</col>
+      </row>
+      <row>
+        <col id="0">6</col>
+        <col id="1" translatable="yes">Slideshow</col>
+      </row>
+    </data>
+  </object>
+  <object class="GtkSizeGroup" id="column1_size_group"/>
+  <object class="GtkSizeGroup" id="column2_size_group"/>
+  <object class="GtkBox" id="preferences_page">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="orientation">vertical</property>
+    <property name="spacing">6</property>
+    <child>
+      <object class="GtkScrolledWindow">
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="shadow_type">in</property>
+        <child>
+          <object class="GtkViewport">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <child>
+              <object class="GtkListBox" id="shortcuts_list">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="expand">True</property>
+        <property name="fill">True</property>
+        <property name="position">0</property>
+      </packing>
+    </child>
+  </object>
+  <object class="GtkListStore" id="shortcuts_liststore">
+    <columns>
+      <!-- column-name action_name -->
+      <column type="gchararray"/>
+      <!-- column-name description -->
+      <column type="gchararray"/>
+      <!-- column-name shortcut -->
+      <column type="gchararray"/>
+      <!-- column-name category -->
+      <column type="gboolean"/>
+    </columns>
+  </object>
+</interface>
diff --git a/gthumb/dlg-preferences-shortcuts.c b/gthumb/dlg-preferences-shortcuts.c
new file mode 100644
index 00000000..647d049e
--- /dev/null
+++ b/gthumb/dlg-preferences-shortcuts.c
@@ -0,0 +1,315 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ *  GThumb
+ *
+ *  Copyright (C) 2019 The Free Software Foundation, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <gtk/gtk.h>
+#include "dlg-preferences-shortcuts.h"
+#include "glib-utils.h"
+#include "gth-accel-dialog.h"
+#include "gth-browser.h"
+#include "gth-main.h"
+#include "gth-preferences.h"
+#include "gtk-utils.h"
+#include "main.h"
+
+
+#define GET_WIDGET(name) _gtk_builder_get_widget (data->builder, (name))
+#define BROWSER_DATA_KEY "shortcuts-preference-data"
+
+
+enum {
+       ACTION_NAME_COLUMN,
+       DESCRIPTION_COLUMN,
+       ACCELERATOR_LABEL_COLUMN
+};
+
+
+typedef struct {
+       GthBrowser *browser;
+       GtkBuilder *builder;
+} BrowserData;
+
+
+static void
+browser_data_free (BrowserData *data)
+{
+       g_object_unref (data->builder);
+       g_free (data);
+}
+
+
+typedef struct {
+       BrowserData *browser_data;
+       GthShortcut *shortcut;
+       GtkWidget   *accel_label;
+} RowData;
+
+
+static RowData *
+row_data_new (BrowserData *data,
+             GthShortcut *shortcut)
+{
+       RowData *row_data;
+
+       row_data = g_new0 (RowData, 1);
+       row_data->browser_data = data;
+       row_data->shortcut = shortcut;
+       row_data->accel_label = NULL;
+
+       return row_data;
+}
+
+
+static void
+row_data_free (RowData *row_data)
+{
+       if (row_data == NULL)
+               return;
+       g_free (row_data);
+}
+
+
+static void
+accel_dialog_response_cb (GtkDialog *dialog,
+                         gint       response_id,
+                         gpointer   user_data)
+{
+       RowData         *row_data = user_data;
+       guint            keycode;
+       GdkModifierType  modifiers;
+
+       switch (response_id) {
+       case GTK_RESPONSE_OK:
+               if (gth_accel_dialog_get_accel (GTH_ACCEL_DIALOG (dialog), &keycode, &modifiers)) {
+                       gth_shortcut_set_key (row_data->shortcut, keycode, modifiers);
+                       gtk_label_set_text (GTK_LABEL (row_data->accel_label), row_data->shortcut->label);
+               }
+               gtk_widget_destroy (GTK_WIDGET (dialog));
+               break;
+
+       case GTK_RESPONSE_CANCEL:
+               gtk_widget_destroy (GTK_WIDGET (dialog));
+               break;
+
+       case GTH_ACCEL_BUTTON_RESPONSE_DELETE:
+               gth_shortcut_set_key (row_data->shortcut, 0, 0);
+               gtk_label_set_text (GTK_LABEL (row_data->accel_label), row_data->shortcut->label);
+               gtk_widget_destroy (GTK_WIDGET (dialog));
+               break;
+       }
+}
+
+
+static void
+shortcuts_list_row_activated_cb (GtkListBox    *box,
+                                GtkListBoxRow *row,
+                                gpointer       user_data)
+{
+       RowData   *row_data;
+       GtkWidget *dialog;
+
+       row_data = g_object_get_data (G_OBJECT (row), "shortcut-row-data");
+
+       dialog = gth_accel_dialog_new (_("Shortcut"),
+                                      _gtk_widget_get_toplevel_if_window (GTK_WIDGET (box)),
+                                      row_data->shortcut->keyval,
+                                      row_data->shortcut->modifiers);
+       g_signal_connect (dialog,
+                         "response",
+                         G_CALLBACK (accel_dialog_response_cb),
+                         row_data);
+       gtk_widget_show (dialog);
+}
+
+
+static GtkWidget *
+_new_shortcut_row (GthShortcut *shortcut,
+                  BrowserData *data)
+{
+       GtkWidget *row;
+       RowData   *row_data;
+       GtkWidget *box;
+       GtkWidget *label;
+
+       row = gtk_list_box_row_new ();
+       row_data = row_data_new (data, shortcut);
+       g_object_set_data_full (G_OBJECT (row), "shortcut-row-data", row_data, (GDestroyNotify) 
row_data_free);
+
+       box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+       gtk_container_set_border_width (GTK_CONTAINER (box), 5);
+       gtk_container_add (GTK_CONTAINER (row), box);
+
+       label = gtk_label_new (shortcut->description);
+       gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+       gtk_widget_set_margin_end (label, 12);
+       gtk_size_group_add_widget (GTK_SIZE_GROUP (gtk_builder_get_object (data->builder, 
"column1_size_group")), label);
+       gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
+
+       row_data->accel_label = label = gtk_label_new ((shortcut->label != NULL) ? shortcut->label : "");
+       gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+       gtk_widget_set_margin_end (label, 12);
+       gtk_size_group_add_widget (GTK_SIZE_GROUP (gtk_builder_get_object (data->builder, 
"column2_size_group")), label);
+       gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
+
+       gtk_widget_show_all (row);
+
+       return row;
+}
+
+
+static GtkWidget *
+_new_shortcut_category_row (GthShortcutCategory category,
+                           int                 n_category)
+{
+       GtkWidget  *row;
+       GtkWidget  *box;
+       const char *text;
+       char       *esc_text;
+       char       *markup_text;
+       GtkWidget  *label;
+
+       row = gtk_list_box_row_new ();
+       gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
+       gtk_list_box_row_set_selectable (GTK_LIST_BOX_ROW (row), FALSE);
+
+       box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+       if (n_category > 1)
+               gtk_widget_set_margin_top (box, 15);
+       gtk_container_add (GTK_CONTAINER (row), box);
+
+       text = _("Others");
+       switch (category) {
+       case GTH_SHORTCUT_CATEGORY_UI:
+               text = _("Show/Hide");
+               break;
+       case GTH_SHORTCUT_CATEGORY_FILE_NAVIGATION:
+               text = _("File Navigation");
+               break;
+       case GTH_SHORTCUT_CATEGORY_FILE_EDIT:
+               text = _("File Edit");
+               break;
+       case GTH_SHORTCUT_CATEGORY_IMAGE_VIEW:
+               text = _("Viewer");
+               break;
+       case GTH_SHORTCUT_CATEGORY_IMAGE_EDIT:
+               text = _("Image Edit");
+               break;
+       case GTH_SHORTCUT_CATEGORY_SLIDESHOW:
+               text = _("Slideshow");
+               break;
+       }
+
+       esc_text = g_markup_escape_text (text, -1);
+       markup_text = g_strdup_printf ("<b>%s</b>", esc_text);
+
+       label =  gtk_label_new (NULL);
+       gtk_label_set_markup (GTK_LABEL (label), markup_text);
+       gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+       gtk_widget_set_margin_start (label, 5);
+       gtk_widget_set_margin_end (label, 5);
+       gtk_widget_set_margin_top (label, 5);
+       gtk_widget_set_margin_bottom (label, 5);
+       gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
+       gtk_style_context_add_class (gtk_widget_get_style_context (label), GTK_STYLE_CLASS_DIM_LABEL);
+       gtk_box_pack_start (GTK_BOX (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL), FALSE, FALSE, 0);
+
+       gtk_widget_show_all (row);
+
+       g_free (markup_text);
+       g_free (esc_text);
+
+       return row;
+}
+
+
+static int
+sort_shortcuts_by_category (gconstpointer a,
+                           gconstpointer b)
+{
+       const GthShortcut *sa = * (GthShortcut **) a;
+       const GthShortcut *sb = * (GthShortcut **) b;
+
+       if (sa->category < sb->category)
+               return -1;
+       if (sa->category > sb->category)
+               return 1;
+
+       return g_strcmp0 (sa->description, sb->description);
+}
+
+
+void
+shortcuts__dlg_preferences_construct_cb (GtkWidget  *dialog,
+                                        GthBrowser *browser,
+                                        GtkBuilder *dialog_builder)
+{
+       BrowserData *data;
+       GtkWidget   *shortcuts_list;
+       GPtrArray   *accel_v;
+       int          last_category;
+       int          n_category;
+       int          i;
+       GtkWidget   *label;
+       GtkWidget   *page;
+
+       data = g_new0 (BrowserData, 1);
+       data->browser = browser;
+       data->builder = _gtk_builder_new_from_file ("shortcuts-preferences.ui", NULL);
+
+       g_object_set_data_full (G_OBJECT (dialog), BROWSER_DATA_KEY, data, (GDestroyNotify) 
browser_data_free);
+
+       shortcuts_list = _gtk_builder_get_widget (data->builder, "shortcuts_list");
+       accel_v = gth_window_get_shortcuts (GTH_WINDOW (browser));
+       g_ptr_array_sort (accel_v, sort_shortcuts_by_category);
+       last_category = -1;
+       n_category = 0;
+       for (i = 0; i < accel_v->len; i++) {
+               GthShortcut *shortcut = g_ptr_array_index (accel_v, i);
+
+               if (shortcut->category == GTH_SHORTCUT_CATEGORY_HIDDEN)
+                       continue;
+
+               if (shortcut->category != last_category) {
+                       last_category = shortcut->category;
+                       n_category++;
+                       gtk_list_box_insert (GTK_LIST_BOX (shortcuts_list),
+                                            _new_shortcut_category_row (shortcut->category, n_category),
+                                            -1);
+               }
+               gtk_list_box_insert (GTK_LIST_BOX (shortcuts_list),
+                                    _new_shortcut_row (shortcut, data),
+                                    -1);
+       }
+
+       g_signal_connect (shortcuts_list,
+                         "row-activated",
+                         G_CALLBACK (shortcuts_list_row_activated_cb),
+                         data);
+
+       /* add the page to the preferences dialog */
+
+       label = gtk_label_new (_("Shortcuts"));
+       gtk_widget_show (label);
+
+       page = _gtk_builder_get_widget (data->builder, "preferences_page");
+       gtk_widget_show (page);
+       gtk_notebook_append_page (GTK_NOTEBOOK (_gtk_builder_get_widget (dialog_builder, "notebook")), page, 
label);
+}
diff --git a/gthumb/dlg-preferences-shortcuts.h b/gthumb/dlg-preferences-shortcuts.h
new file mode 100644
index 00000000..67c8edd8
--- /dev/null
+++ b/gthumb/dlg-preferences-shortcuts.h
@@ -0,0 +1,31 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ *  GThumb
+ *
+ *  Copyright (C) 2019 The Free Software Foundation, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DLG_PREFERENCES_SHORTCUTS_H
+#define DLG_PREFERENCES_SHORTCUTS_H
+
+#include "gth-browser.h"
+
+void shortcuts__dlg_preferences_construct_cb (GtkWidget  *dialog,
+                                             GthBrowser *browser,
+                                             GtkBuilder *dialog_builder);
+
+#endif /* DLG_PREFERENCES_SHORTCUTS_H */
diff --git a/gthumb/gth-main-default-types.c b/gthumb/gth-main-default-types.c
index 7109a79b..8cde66b2 100644
--- a/gthumb/gth-main-default-types.c
+++ b/gthumb/gth-main-default-types.c
@@ -25,6 +25,7 @@
 #include "dlg-preferences-browser.h"
 #include "dlg-preferences-extensions.h"
 #include "dlg-preferences-general.h"
+#include "dlg-preferences-shortcuts.h"
 #include "gth-file-comment.h"
 #include "gth-file-details.h"
 #include "gth-file-properties.h"
@@ -72,6 +73,7 @@ gth_main_register_default_types (void)
        gth_hook_add_callback ("dlg-preferences-apply", 1, G_CALLBACK (general__dlg_preferences_apply), NULL);
        gth_hook_add_callback ("dlg-preferences-construct", 2, G_CALLBACK 
(browser__dlg_preferences_construct_cb), NULL);
        gth_hook_add_callback ("dlg-preferences-apply", 2, G_CALLBACK (browser__dlg_preferences_apply), NULL);
+       gth_hook_add_callback ("dlg-preferences-construct", 50, G_CALLBACK 
(shortcuts__dlg_preferences_construct_cb), NULL);
        gth_hook_add_callback ("dlg-preferences-construct", 9999, G_CALLBACK 
(extensions__dlg_preferences_construct_cb), NULL);
        gth_hook_add_callback ("dlg-preferences-apply", 9999 /* Must be the last callback */, G_CALLBACK 
(extensions__dlg_preferences_apply), NULL);
 }
diff --git a/gthumb/meson.build b/gthumb/meson.build
index 56c0db27..761446aa 100644
--- a/gthumb/meson.build
+++ b/gthumb/meson.build
@@ -161,6 +161,7 @@ source_files = files(
   'dlg-preferences-browser.c',
   'dlg-preferences-extensions.c',
   'dlg-preferences-general.c',
+  'dlg-preferences-shortcuts.c',
   'dlg-sort-order.c',
   'dom.c',
   'gimp-op.c',


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