[evince/wip/recent-view: 106/107] shell: Implement a different toolbar for bookshelf/recent view



commit 4109ca2ce19214b695b42dc88fd678ce0110d255
Author: Aakash Goenka <aakash goenka gmail com>
Date:   Tue Jul 23 22:58:52 2013 +0530

    shell: Implement a different toolbar for bookshelf/recent view
    
    Added a new EvMinimalToolbar which is displayed while in
    bookshelf/recent view, instead of the full regular toolbar.

 shell/Makefile.am          |    2 +
 shell/ev-minimal-toolbar.c |  196 ++++++++++++++++++++++++++++++++++++++++++++
 shell/ev-minimal-toolbar.h |   56 +++++++++++++
 shell/ev-window.c          |   74 ++++++++++++++---
 shell/ev-window.h          |    1 +
 5 files changed, 315 insertions(+), 14 deletions(-)
---
diff --git a/shell/Makefile.am b/shell/Makefile.am
index a2d9d49..bda2f81 100644
--- a/shell/Makefile.am
+++ b/shell/Makefile.am
@@ -35,6 +35,8 @@ evince_SOURCES=                               \
        ev-message-area.h               \
        ev-metadata.c                   \
        ev-metadata.h                   \
+       ev-minimal-toolbar.c            \
+       ev-minimal-toolbar.h            \
        ev-password-view.h              \
        ev-password-view.c              \
        ev-progress-message-area.h      \
diff --git a/shell/ev-minimal-toolbar.c b/shell/ev-minimal-toolbar.c
new file mode 100644
index 0000000..7c2622b
--- /dev/null
+++ b/shell/ev-minimal-toolbar.c
@@ -0,0 +1,196 @@
+/* ev-minimal-toolbar.c
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2012 Carlos Garcia Campos <carlosgc gnome org>
+ * Copyright (C) 2013 Aakash Goenka <aakash goenka gmail com>
+ *
+ * Evince 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.
+ *
+ * Evince 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "ev-minimal-toolbar.h"
+#include <math.h>
+
+enum
+{
+       PROP_0,
+       PROP_WINDOW
+};
+
+struct _EvMinimalToolbarPrivate {
+       EvWindow  *window;
+};
+
+G_DEFINE_TYPE (EvMinimalToolbar, ev_minimal_toolbar, GTK_TYPE_TOOLBAR)
+
+static void
+ev_minimal_toolbar_set_property (GObject      *object,
+                                 guint         prop_id,
+                                 const GValue *value,
+                                 GParamSpec   *pspec)
+{
+       EvMinimalToolbar *ev_minimal_toolbar = EV_MINIMAL_TOOLBAR (object);
+
+       switch (prop_id) {
+       case PROP_WINDOW:
+               ev_minimal_toolbar->priv->window = g_value_get_object (value);
+               break;
+       default:
+               G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+       }
+}
+
+static gint
+get_icon_margin (EvMinimalToolbar *ev_minimal_toolbar)
+{
+       GtkIconSize toolbar_size;
+       gint toolbar_size_px, menu_size_px;
+       GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (ev_minimal_toolbar));
+
+       toolbar_size = gtk_toolbar_get_icon_size (GTK_TOOLBAR (ev_minimal_toolbar));
+
+       gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU, &menu_size_px, NULL);
+       gtk_icon_size_lookup_for_settings (settings, toolbar_size, &toolbar_size_px, NULL);
+
+       return (gint)floor ((toolbar_size_px - menu_size_px) / 2.0);
+}
+
+static void
+ev_minimal_toolbar_set_button_image (EvMinimalToolbar *ev_minimal_toolbar,
+                                     GtkButton *button)
+{
+       GtkWidget *image;
+
+       image = gtk_image_new ();
+       g_object_set (image, "margin", get_icon_margin (ev_minimal_toolbar), NULL);
+       gtk_button_set_image (button, image);
+}
+
+static void
+ev_minimal_toolbar_set_button_action (EvMinimalToolbar *ev_toolbar,
+                                      GtkButton *button,
+                                      GtkAction *action)
+{
+       gtk_activatable_set_related_action (GTK_ACTIVATABLE (button), action);
+       gtk_button_set_label (button, NULL);
+       gtk_button_set_focus_on_click (button, FALSE);
+}
+
+static GtkWidget *
+ev_minimal_toolbar_create_button (EvMinimalToolbar *ev_toolbar,
+                                  GtkAction *action)
+{
+       GtkWidget *button = gtk_button_new ();
+
+       ev_minimal_toolbar_set_button_image (ev_toolbar, GTK_BUTTON (button));
+       ev_minimal_toolbar_set_button_action (ev_toolbar, GTK_BUTTON (button), action);
+
+       return button;
+}
+
+static void
+ev_minimal_toolbar_constructed (GObject *object)
+{
+       EvMinimalToolbar *ev_minimal_toolbar = EV_MINIMAL_TOOLBAR (object);
+       GtkActionGroup   *action_group;
+       GtkWidget        *tool_item;
+       GtkAction        *action;
+       GtkWidget        *button;
+
+       G_OBJECT_CLASS (ev_minimal_toolbar_parent_class)->constructed (object);
+
+       /* Set the MENUBAR style class so it's possible to drag the app
+        * using the toolbar. */
+       gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (ev_minimal_toolbar)),
+                                    GTK_STYLE_CLASS_MENUBAR);
+
+       action_group = ev_window_get_minimal_toolbar_action_group (ev_minimal_toolbar->priv->window);
+
+       /* Button for file open dialog */
+       action = gtk_action_group_get_action (action_group, "ToolbarOpenDocument");
+       button = ev_minimal_toolbar_create_button (ev_minimal_toolbar, action);
+       tool_item = GTK_WIDGET (gtk_tool_item_new ());
+       gtk_container_add (GTK_CONTAINER (tool_item), button);
+       gtk_widget_show (button);
+       gtk_container_add (GTK_CONTAINER (ev_minimal_toolbar), tool_item);
+       gtk_widget_show (tool_item);
+
+       /* Separator */
+       tool_item = GTK_WIDGET (gtk_tool_item_new ());
+       gtk_tool_item_set_expand (GTK_TOOL_ITEM (tool_item), TRUE);
+       gtk_container_add (GTK_CONTAINER (ev_minimal_toolbar), tool_item);
+       gtk_widget_show (tool_item);
+
+       /* About Button */
+       action = gtk_action_group_get_action (action_group, "ToolbarAbout");
+       button = ev_minimal_toolbar_create_button (ev_minimal_toolbar, action);
+       gtk_widget_set_halign (button, GTK_ALIGN_END);
+       tool_item = GTK_WIDGET (gtk_tool_item_new ());
+       gtk_widget_set_margin_right (tool_item, 6);
+       gtk_container_add (GTK_CONTAINER (tool_item), button);
+       gtk_widget_show (button);
+       gtk_container_add (GTK_CONTAINER (ev_minimal_toolbar), tool_item);
+       gtk_widget_show (tool_item);
+
+       /* Close Button */
+       action = gtk_action_group_get_action (action_group, "ToolbarCloseWindow");
+       button = ev_minimal_toolbar_create_button (ev_minimal_toolbar, action);
+       gtk_widget_set_halign (button, GTK_ALIGN_END);
+       tool_item = GTK_WIDGET (gtk_tool_item_new ());
+       gtk_container_add (GTK_CONTAINER (tool_item), button);
+       gtk_widget_show (button);
+       gtk_container_add (GTK_CONTAINER (ev_minimal_toolbar), tool_item);
+       gtk_widget_show (tool_item);
+}
+
+static void
+ev_minimal_toolbar_class_init (EvMinimalToolbarClass *klass)
+{
+       GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+
+       g_object_class->set_property = ev_minimal_toolbar_set_property;
+       g_object_class->constructed = ev_minimal_toolbar_constructed;
+
+       g_object_class_install_property (g_object_class,
+                                        PROP_WINDOW,
+                                        g_param_spec_object ("window",
+                                        "Window",
+                                        "The evince window",
+                                        EV_TYPE_WINDOW,
+                                        G_PARAM_WRITABLE |
+                                        G_PARAM_CONSTRUCT_ONLY |
+                                        G_PARAM_STATIC_STRINGS));
+
+       g_type_class_add_private (g_object_class, sizeof (EvMinimalToolbarPrivate));
+}
+
+static void
+ev_minimal_toolbar_init (EvMinimalToolbar *ev_minimal_toolbar)
+{
+       ev_minimal_toolbar->priv = G_TYPE_INSTANCE_GET_PRIVATE (ev_minimal_toolbar, EV_TYPE_MINIMAL_TOOLBAR, 
EvMinimalToolbarPrivate);
+}
+
+GtkWidget *
+ev_minimal_toolbar_new (EvWindow *window)
+{
+       g_return_val_if_fail (EV_IS_WINDOW (window), NULL);
+
+       return GTK_WIDGET (g_object_new (EV_TYPE_MINIMAL_TOOLBAR,
+                                        "window", window,
+                                        NULL));
+}
diff --git a/shell/ev-minimal-toolbar.h b/shell/ev-minimal-toolbar.h
new file mode 100644
index 0000000..16dbbee
--- /dev/null
+++ b/shell/ev-minimal-toolbar.h
@@ -0,0 +1,56 @@
+/* ev-minimal-toolbar.h
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2012 Carlos Garcia Campos <carlosgc gnome org>
+ * Copyright (C) 2013 Aakash Goenka <aakash goenka gmail com>
+ *
+ * Evince 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.
+ *
+ * Evince 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __EV_MINIMAL_TOOLBAR_H__
+#define __EV_MINIMAL_TOOLBAR_H__
+
+#include <gtk/gtk.h>
+#include "ev-window.h"
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_MINIMAL_TOOLBAR              (ev_minimal_toolbar_get_type())
+#define EV_MINIMAL_TOOLBAR(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_MINIMAL_TOOLBAR, 
EvMinimalToolbar))
+#define EV_IS_MINIMAL_TOOLBAR(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_MINIMAL_TOOLBAR))
+#define EV_MINIMAL_TOOLBAR_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_MINIMAL_TOOLBAR, 
EvMinimalToolbarClass))
+#define EV_IS_MINIMAL_TOOLBAR_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_MINIMAL_TOOLBAR))
+#define EV_MINIMAL_TOOLBAR_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_MINIMAL_TOOLBAR, 
EvMinimalToolbarClass))
+
+typedef struct _EvMinimalToolbar        EvMinimalToolbar;
+typedef struct _EvMinimalToolbarClass   EvMinimalToolbarClass;
+typedef struct _EvMinimalToolbarPrivate EvMinimalToolbarPrivate;
+
+struct _EvMinimalToolbar {
+       GtkToolbar base_instance;
+
+       EvMinimalToolbarPrivate *priv;
+};
+
+struct _EvMinimalToolbarClass {
+       GtkToolbarClass base_class;
+};
+
+GType      ev_minimal_toolbar_get_type           (void);
+GtkWidget *ev_minimal_toolbar_new                (EvWindow *window);
+
+G_END_DECLS
+
+#endif /* __EV_MINIMAL_TOOLBAR_H__ */
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 9f7cb12..3602f3c 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -92,6 +92,7 @@
 #include "ev-zoom-action.h"
 #include "ev-toolbar.h"
 #include "ev-recent-view.h"
+#include "ev-minimal-toolbar.h"
 
 #ifdef ENABLE_DBUS
 #include "ev-gdbus-generated.h"
@@ -172,6 +173,7 @@ struct _EvWindowPrivate {
 
        /* UI Builders */
        GtkActionGroup   *action_group;
+       GtkActionGroup   *minimal_toolbar_action_group;
        GtkActionGroup   *view_popup_action_group;
        GtkActionGroup   *attachment_popup_action_group;
        GtkActionGroup   *zoom_selector_popup_action_group;
@@ -194,6 +196,7 @@ struct _EvWindowPrivate {
 
        /* For bookshelf view of recent items*/
        EvRecentView *recent_view;
+       GtkWidget *minimal_toolbar;
        
        /* Document */
        EvDocumentModel *model;
@@ -518,6 +521,7 @@ ev_window_update_actions_sensitivity (EvWindow *ev_window)
        gboolean presentation_mode;
        gboolean can_find_in_page = FALSE;
        gboolean dual_mode = FALSE;
+       gboolean fullscreen_mode = FALSE;
 
        if (ev_window->priv->document && !ev_window->priv->recent_view) {
                page = ev_document_model_get_page (ev_window->priv->model);
@@ -526,9 +530,11 @@ ev_window_update_actions_sensitivity (EvWindow *ev_window)
                dual_mode = ev_document_model_get_dual_page (ev_window->priv->model);
        }
 
-       ev_window_set_action_sensitive (ev_window, "RecentViewShow", 
-                                       ev_window->priv->document ||
-                                       !ev_window->priv->recent_view);
+       fullscreen_mode = ev_document_model_get_fullscreen (ev_window->priv->model);
+       ev_window_set_action_sensitive (ev_window, "RecentViewShow",
+                                       ev_window->priv->document &&
+                                       !ev_window->priv->recent_view &&
+                                       !fullscreen_mode);
        can_find_in_page = (ev_window->priv->find_job &&
                            ev_job_find_has_results (EV_JOB_FIND (ev_window->priv->find_job)));
 
@@ -4272,6 +4278,7 @@ ev_window_run_fullscreen (EvWindow *window)
 
        if (window->priv->metadata && !ev_window_is_empty (window))
                ev_metadata_set_boolean (window->priv->metadata, "fullscreen", TRUE);
+       ev_window_update_actions_sensitivity (window);
 }
 
 static void
@@ -4316,6 +4323,7 @@ ev_window_stop_fullscreen (EvWindow *window,
 
        if (window->priv->metadata && !ev_window_is_empty (window))
                ev_metadata_set_boolean (window->priv->metadata, "fullscreen", FALSE);
+       ev_window_update_actions_sensitivity (window);
 }
 
 static void
@@ -4727,15 +4735,10 @@ ev_window_cmd_bookmark_activate (GtkAction *action,
 }
 
 static void
-ev_window_cmd_toggle_recent_view (GtkAction *action,
+ev_window_cmd_show_recent_view (GtkAction *action,
                                   EvWindow  *ev_window)
 {
-       if (!ev_window->priv->recent_view)
-               ev_window_show_recent_view (ev_window);
-       else {
-               ev_window_try_swap_out_recent_view (ev_window);
-               ev_window_setup_action_sensitivity (ev_window);
-       }
+       ev_window_show_recent_view (ev_window);
        return;
 }
 
@@ -5396,10 +5399,12 @@ ev_window_try_swap_out_recent_view (EvWindow *ev_window)
        if (ev_window->priv->recent_view)
        {
                gtk_widget_hide (GTK_WIDGET (ev_window->priv->recent_view));
+               gtk_widget_hide (GTK_WIDGET (ev_window->priv->minimal_toolbar));
                g_object_unref (ev_window->priv->recent_view);
                ev_window->priv->recent_view = NULL;
        }
        gtk_widget_show (ev_window->priv->hpaned);
+       gtk_widget_show (ev_window->priv->toolbar);
 }
 
 static void
@@ -5870,6 +5875,10 @@ ev_window_dispose (GObject *object)
                priv->action_group = NULL;
        }
 
+       if (priv->minimal_toolbar_action_group) {
+               g_object_unref (priv->minimal_toolbar_action_group);
+               priv->minimal_toolbar_action_group = NULL;
+       }
        if (priv->view_popup_action_group) {
                g_object_unref (priv->view_popup_action_group);
                priv->view_popup_action_group = NULL;
@@ -6145,10 +6154,10 @@ static const GtkActionEntry entries[] = {
        { "ViewAutoscroll", GTK_STOCK_MEDIA_PLAY, N_("Auto_scroll"), NULL, NULL,
          G_CALLBACK (ev_window_cmd_view_autoscroll) },
 
-       /* View of recent items */
-       { "RecentViewShow", "view-grid-symbolic", N_("Recent Items"), NULL,
-         N_("Toggle between view of recent items and open document"),
-         G_CALLBACK (ev_window_cmd_toggle_recent_view) },
+       /* View of recent documents */
+       { "RecentViewShow", "view-grid-symbolic", N_("Recent Documents"), NULL,
+         N_("Show recent documents"),
+         G_CALLBACK (ev_window_cmd_show_recent_view) },
 
         /* Go menu */
         { "GoPreviousPage", "go-up-symbolic", N_("_Previous Page"), "<control>Page_Up",
@@ -6305,6 +6314,19 @@ static const GtkToggleActionEntry zoom_selector_popup_actions[] = {
          G_CALLBACK (ev_window_cmd_view_zoom_automatic) }
 };
 
+/* Items for the minimal toolbar */
+static const GtkActionEntry minimal_toolbar_entries [] = {
+       { "ToolbarOpenDocument", "document-open-symbolic", N_("_Open…"), NULL,
+         N_("Open an existing document"),
+         G_CALLBACK (ev_window_cmd_file_open) },
+       { "ToolbarAbout", "dialog-information-symbolic", N_("_About"), NULL,
+         N_("About "),
+         G_CALLBACK (ev_window_cmd_help_about) },
+       { "ToolbarCloseWindow", "window-close-symbolic", N_("Close"), NULL,
+         N_("Close this window"),
+         G_CALLBACK (ev_window_cmd_file_close_window) },
+};
+
 static void
 sidebar_links_link_activated_cb (EvSidebarLinks *sidebar_links, EvLink *link, EvWindow *window)
 {
@@ -7453,6 +7475,12 @@ ev_window_init (EvWindow *ev_window)
                gtk_ui_manager_get_accel_group (ev_window->priv->ui_manager);
        gtk_window_add_accel_group (GTK_WINDOW (ev_window), accel_group);
 
+       action_group = gtk_action_group_new ("MinimalToolbarActions");
+       ev_window->priv->minimal_toolbar_action_group = action_group;
+       gtk_action_group_set_translation_domain (action_group, NULL);
+       gtk_action_group_add_actions (action_group, minimal_toolbar_entries,
+                                     G_N_ELEMENTS (minimal_toolbar_entries), ev_window);
+
        action_group = gtk_action_group_new ("ViewPopupActions");
        ev_window->priv->view_popup_action_group = action_group;
        gtk_action_group_set_translation_domain (action_group, NULL);
@@ -7521,6 +7549,13 @@ ev_window_init (EvWindow *ev_window)
        gtk_box_pack_start (GTK_BOX (ev_window->priv->main_box),
                            ev_window->priv->find_bar,
                            FALSE, TRUE, 0);
+       
+       ev_window->priv->minimal_toolbar = ev_minimal_toolbar_new (ev_window);
+       gtk_widget_set_halign (ev_window->priv->minimal_toolbar, GTK_ALIGN_FILL);
+       gtk_widget_set_valign (ev_window->priv->minimal_toolbar, GTK_ALIGN_START);
+       gtk_box_pack_start (GTK_BOX (ev_window->priv->main_box),
+                           ev_window->priv->minimal_toolbar,
+                           FALSE, TRUE, 0);
 
        /* Add the main area */
        ev_window->priv->hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
@@ -7853,6 +7888,8 @@ void
 ev_window_show_recent_view (EvWindow *ev_window)
 {
        gtk_widget_hide (ev_window->priv->hpaned);
+       gtk_widget_hide (ev_window->priv->toolbar);
+       gtk_widget_hide (ev_window->priv->find_bar);
        if (!ev_window->priv->recent_view) {
                ev_window->priv->recent_view = ev_recent_view_new ();
                g_object_ref (ev_window->priv->recent_view);
@@ -7865,6 +7902,7 @@ ev_window_show_recent_view (EvWindow *ev_window)
                                    TRUE, TRUE, 0);
        }
 
+       gtk_widget_show (ev_window->priv->minimal_toolbar);
        gtk_widget_show (GTK_WIDGET (ev_window->priv->recent_view));
        ev_window_setup_action_sensitivity (ev_window);
 
@@ -7904,3 +7942,11 @@ ev_window_get_zoom_selector_action_group (EvWindow *ev_window)
 
        return ev_window->priv->zoom_selector_popup_action_group;
 }
+
+GtkActionGroup *
+ev_window_get_minimal_toolbar_action_group (EvWindow *ev_window)
+{
+       g_return_val_if_fail (EV_WINDOW (ev_window), NULL);
+
+       return ev_window->priv->minimal_toolbar_action_group;
+}
diff --git a/shell/ev-window.h b/shell/ev-window.h
index 3dc1f2c..1876b30 100644
--- a/shell/ev-window.h
+++ b/shell/ev-window.h
@@ -90,6 +90,7 @@ GtkUIManager   *ev_window_get_ui_manager                 (EvWindow       *ev_win
 GtkActionGroup *ev_window_get_main_action_group          (EvWindow       *ev_window);
 GtkActionGroup *ev_window_get_zoom_selector_action_group (EvWindow       *ev_window);
 void            ev_window_show_recent_view               (EvWindow       *ev_window);
+GtkActionGroup *ev_window_get_minimal_toolbar_action_group (EvWindow     *ev_window);
 
 G_END_DECLS
 


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