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gtk-demo: Add a menu to foreigndrawing

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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
This commit is contained in:
Caolán McNamara
2016-02-10 13:39:24 +00:00
committed by Matthias Clasen
parent 751b69cbae
commit 701cdda3dc
1 changed files with 52 additions and 8 deletions
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60
demos/gtk-demo/foreigndrawing.c
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@ -131,6 +131,47 @@ get_style (GtkStyleContext *parent,
return context;
}
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,
@ -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);