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authorCaolán McNamara <caolanm@redhat.com>2016-02-10 13:39:24 +0000
committerMatthias Clasen <mclasen@redhat.com>2016-02-10 16:07:51 -0500
commit701cdda3dc74e25c4d5678b9b21040df55ddba9a (patch)
tree0e98ac4e404d26103315ab13c8b6801e48eedf5f /demos
parent751b69cbaeeb5344874e7843c1b21ea474f427fa (diff)
downloadgtk+-701cdda3dc74e25c4d5678b9b21040df55ddba9a.tar.gz
gtk-demo: Add a menu to foreigndrawing
and demo that the block arrows require GTK_STATE_FLAG_DIR_LTR or GTK_STATE_FLAG_DIR_RTL set to appear https://bugzilla.gnome.org/show_bug.cgi?id=761828
Diffstat (limited to 'demos')
-rw-r--r--demos/gtk-demo/foreigndrawing.c60
1 files changed, 52 insertions, 8 deletions
diff --git a/demos/gtk-demo/foreigndrawing.c b/demos/gtk-demo/foreigndrawing.c
index 350829f98c..e48fb91022 100644
--- a/demos/gtk-demo/foreigndrawing.c
+++ b/demos/gtk-demo/foreigndrawing.c
@@ -132,6 +132,47 @@ get_style (GtkStyleContext *parent,
}
static void
+draw_menu (GtkWidget *widget,
+ cairo_t *cr,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
+{
+ GtkStyleContext *menu_context;
+ GtkStyleContext *menuitem_context;
+ GtkStyleContext *arrowmenuitem_context;
+
+ /* This information is taken from the GtkMenu docs, see "CSS nodes" */
+ menu_context = get_style (NULL, "menu");
+
+ gtk_render_background (menu_context, cr, x, y, width, height);
+ gtk_render_frame (menu_context, cr, x, y, width, height);
+
+ menuitem_context = get_style (menu_context, "menuitem");
+ gtk_style_context_set_state (menuitem_context, GTK_STATE_FLAG_PRELIGHT);
+ gtk_render_background (menuitem_context, cr, x, y, width, 20);
+ gtk_render_frame (menuitem_context, cr, x, y, width, 20);
+
+ /* arrow for left to right */
+ arrowmenuitem_context = get_style (menuitem_context, "arrow");
+ gtk_style_context_set_state (arrowmenuitem_context, GTK_STATE_FLAG_DIR_LTR);
+ gtk_render_arrow (arrowmenuitem_context, cr, G_PI / 2, x + width - 20, y, 20);
+
+ gtk_render_background (menuitem_context, cr, x, y + 20, width, 20);
+ gtk_render_frame (menuitem_context, cr, x, y + 20, width, 20);
+
+ /* arrow for right to left */
+ gtk_style_context_get_state (arrowmenuitem_context);
+ gtk_style_context_set_state (arrowmenuitem_context, GTK_STATE_FLAG_DIR_RTL);
+ gtk_render_arrow (arrowmenuitem_context, cr, G_PI / 2, x, y + 20, 20);
+
+ g_object_unref (arrowmenuitem_context);
+ g_object_unref (menuitem_context);
+ g_object_unref (menu_context);
+}
+
+static void
draw_horizontal_scrollbar (GtkWidget *widget,
cairo_t *cr,
gint x,
@@ -283,27 +324,30 @@ static gboolean
draw_cb (GtkWidget *widget,
cairo_t *cr)
{
- gint width, height;
+ gint panewidth, width, height;
width = gtk_widget_get_allocated_width (widget);
+ panewidth = width / 2;
height = gtk_widget_get_allocated_height (widget);
cairo_rectangle (cr, 0, 0, width, height);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_fill (cr);
- draw_horizontal_scrollbar (widget, cr, 10, 10, width - 20, 10, 30, GTK_STATE_FLAG_NORMAL);
- draw_horizontal_scrollbar (widget, cr, 10, 30, width - 20, 10, 40, GTK_STATE_FLAG_PRELIGHT);
- draw_horizontal_scrollbar (widget, cr, 10, 50, width - 20, 10, 50, GTK_STATE_FLAG_ACTIVE|GTK_STATE_FLAG_PRELIGHT);
+ draw_horizontal_scrollbar (widget, cr, 10, 10, panewidth - 20, 10, 30, GTK_STATE_FLAG_NORMAL);
+ draw_horizontal_scrollbar (widget, cr, 10, 30, panewidth - 20, 10, 40, GTK_STATE_FLAG_PRELIGHT);
+ draw_horizontal_scrollbar (widget, cr, 10, 50, panewidth - 20, 10, 50, GTK_STATE_FLAG_ACTIVE|GTK_STATE_FLAG_PRELIGHT);
- draw_text (widget, cr, 10, 70, width - 20, 20, "Not selected", GTK_STATE_FLAG_NORMAL);
- draw_text (widget, cr, 10, 100, width - 20, 20, "Selected", GTK_STATE_FLAG_SELECTED);
+ draw_text (widget, cr, 10, 70, panewidth - 20, 20, "Not selected", GTK_STATE_FLAG_NORMAL);
+ draw_text (widget, cr, 10, 100, panewidth - 20, 20, "Selected", GTK_STATE_FLAG_SELECTED);
draw_check (widget, cr, 10, 130, GTK_STATE_FLAG_NORMAL);
draw_check (widget, cr, 40, 130, GTK_STATE_FLAG_CHECKED);
draw_radio (widget, cr, 70, 130, GTK_STATE_FLAG_NORMAL);
draw_radio (widget, cr, 100, 130, GTK_STATE_FLAG_CHECKED);
- draw_progress (widget, cr, 10, 160, width - 20, 6, 50);
+ draw_progress (widget, cr, 10, 160, panewidth - 20, 6, 50);
+
+ draw_menu (widget, cr, 10 + panewidth, 10, panewidth - 20, 160);
return FALSE;
}
@@ -328,7 +372,7 @@ do_foreigndrawing (GtkWidget *do_widget)
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
gtk_container_add (GTK_CONTAINER (window), box);
da = gtk_drawing_area_new ();
- gtk_widget_set_size_request (da, 200, 200);
+ gtk_widget_set_size_request (da, 400, 200);
gtk_widget_set_hexpand (da, TRUE);
gtk_widget_set_vexpand (da, TRUE);
gtk_widget_set_app_paintable (da, TRUE);