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Insensivitize inappropriate toolbar actions

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Přemysl Eric Janouch
2021-12-19 07:04:04 +01:00
parent bac92f2612
commit ae57c45c2a
2 changed files with 83 additions and 5 deletions
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47
fastiv.c
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@@ -602,9 +602,7 @@ make_toolbar_button(const gchar *symbolic, const gchar *tooltip)
GtkWidget *button =
gtk_button_new_from_icon_name(symbolic, GTK_ICON_SIZE_BUTTON);
gtk_widget_set_tooltip_text(button, tooltip);
// gtk_widget_set_sensitive(button, FALSE);
gtk_widget_set_focus_on_click(button, FALSE);
gtk_style_context_add_class(
gtk_widget_get_style_context(button), GTK_STYLE_CLASS_FLAT);
return button;
@@ -617,9 +615,7 @@ make_toolbar_toggle(const gchar *symbolic, const gchar *tooltip)
gtk_button_set_image(GTK_BUTTON(button),
gtk_image_new_from_icon_name(symbolic, GTK_ICON_SIZE_BUTTON));
gtk_widget_set_tooltip_text(button, tooltip);
// gtk_widget_set_sensitive(button, FALSE);
gtk_widget_set_focus_on_click(button, FALSE);
gtk_style_context_add_class(
gtk_widget_get_style_context(button), GTK_STYLE_CLASS_FLAT);
return button;
@@ -636,6 +632,42 @@ make_separator(void)
return separator;
}
static void
on_view_actions_changed(void)
{
gboolean has_image = FALSE, can_animate = FALSE;
gboolean has_previous = FALSE, has_next = FALSE;
g_object_get(g.view, "has-image", &has_image, "can-animate", &can_animate,
"has-previous-page", &has_previous, "has-next-page", &has_next, NULL);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PAGE_FIRST], has_previous);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PAGE_PREVIOUS], has_previous);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PAGE_NEXT], has_next);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PAGE_LAST], has_next);
// We don't want these to flash during playback.
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_SKIP_BACK], can_animate);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_SEEK_BACK], can_animate);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PLAY_PAUSE], can_animate);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_SEEK_FORWARD], can_animate);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PLUS], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_SCALE], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_MINUS], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_ONE], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_FIT], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_SMOOTH], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_SAVE], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_PRINT], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_LEFT], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_MIRROR], has_image);
gtk_widget_set_sensitive(g.toolbar[TOOLBAR_RIGHT], has_image);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
on_notify_view_scale(
GObject *object, GParamSpec *param_spec, G_GNUC_UNUSED gpointer user_data)
@@ -771,6 +803,13 @@ make_view_toolbar(void)
g_object_notify(G_OBJECT(g.view), "playing");
g_object_notify(G_OBJECT(g.view), "scale-to-fit");
g_object_notify(G_OBJECT(g.view), "filter");
GCallback callback = G_CALLBACK(on_view_actions_changed);
g_signal_connect(g.view, "notify::has-image", callback, NULL);
g_signal_connect(g.view, "notify::can-animate", callback, NULL);
g_signal_connect(g.view, "notify::has-previous-page", callback, NULL);
g_signal_connect(g.view, "notify::has-next-page", callback, NULL);
callback();
return view_toolbar;
}