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gtk-demo: spinbutton and menubar examples

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https://bugzilla.gnome.org/show_bug.cgi?id=761900
This commit is contained in:
Caolán McNamara 2016-02-11 17:22:31 +00:00 committed by Matthias Clasen
parent eb90c4f9ed
commit 5562f4f273
1 changed files with 86 additions and 1 deletions
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87
demos/gtk-demo/foreigndrawing.c
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@ -173,6 +173,36 @@ draw_menu (GtkWidget *widget,
g_object_unref (menu_context);
}
static void
draw_menubar (GtkWidget *widget,
cairo_t *cr,
gint x,
gint y,
gint width,
gint height)
{
GtkStyleContext *menubar_context;
GtkStyleContext *menuitem_context;
gint item_width = width / 3;
/* This information is taken from the GtkMenuBar docs, see "CSS nodes" */
menubar_context = get_style (NULL, "menubar.background");
gtk_render_background (menubar_context, cr, x, y, width, height);
gtk_render_frame (menubar_context, cr, x, y, width, height);
menuitem_context = get_style (menubar_context, "menuitem:hover");
gtk_render_background (menuitem_context, cr, x, y, item_width, 20);
gtk_render_frame (menuitem_context, cr, x, y, item_width, 20);
gtk_render_background (menuitem_context, cr, x + item_width * 2, y, item_width, 20);
gtk_render_frame (menuitem_context, cr, x + item_width * 2, y, item_width, 20);
g_object_unref (menuitem_context);
g_object_unref (menubar_context);
}
static void
draw_notebook (GtkWidget *widget,
cairo_t *cr,
@ -370,6 +400,57 @@ draw_progress (GtkWidget *widget,
g_object_unref (bar_context);
}
static void
draw_spinbutton (GtkWidget *widget,
cairo_t *cr,
gint x,
gint y,
gint width)
{
GtkStyleContext *spin_context;
GtkStyleContext *entry_context;
GtkStyleContext *up_context;
GtkStyleContext *down_context;
GtkIconTheme *icon_theme;
GtkIconInfo *icon_info;
GdkPixbuf *pixbuf;
/* This information is taken from the GtkSpinButton docs, see "CSS nodes" */
spin_context = get_style (NULL, "spinbutton:focus");
entry_context = get_style (NULL, "entry:focus");
up_context = get_style (spin_context, "button.up:active");
down_context = get_style (spin_context, "button.down");
gtk_render_background (entry_context, cr, x, y, width, 30);
gtk_render_frame (entry_context, cr, x, y, width, 30);
gtk_render_background (up_context, cr, x + width - 30, y, 30, 30);
gtk_render_frame (up_context, cr, x + width - 30, y, 30, 30);
gtk_render_background (down_context, cr, x + width - 60, y, 30, 30);
gtk_render_frame (down_context, cr, x + width - 60, y, 30, 30);
icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
icon_info = gtk_icon_theme_lookup_icon (icon_theme, "list-add-symbolic", 20, 0);
pixbuf = gtk_icon_info_load_symbolic_for_context (icon_info, up_context, NULL, NULL);
g_object_unref (icon_info);
gtk_render_icon (up_context, cr, pixbuf, x + width - 30 + 5, y + 5);
g_object_unref (pixbuf);
icon_info = gtk_icon_theme_lookup_icon (icon_theme, "list-remove-symbolic", 20, 0);
pixbuf = gtk_icon_info_load_symbolic_for_context (icon_info, down_context, NULL, NULL);
g_object_unref (icon_info);
gtk_render_icon (down_context, cr, pixbuf, x + width - 60 + 5, y + 5);
g_object_unref (pixbuf);
g_object_unref (down_context);
g_object_unref (up_context);
g_object_unref (entry_context);
g_object_unref (spin_context);
}
static gboolean
draw_cb (GtkWidget *widget,
cairo_t *cr)
@ -397,7 +478,11 @@ draw_cb (GtkWidget *widget,
draw_radio (widget, cr, 100, 130, GTK_STATE_FLAG_CHECKED);
draw_progress (widget, cr, 10, 160, panewidth - 20, 6, 50);
draw_menu (widget, cr, 10 + panewidth, 10, panewidth - 20, 160);
draw_menu (widget, cr, 10 + panewidth, 10, panewidth - 20, 80);
draw_menubar (widget, cr, 10 + panewidth, 100, panewidth - 20, 20);
draw_spinbutton (widget, cr, 10 + panewidth, 130, panewidth - 20);
draw_notebook (widget, cr, 10, 200, panewidth - 20, 160);