+
+ /* frame internal buttons */
+ x_r = frame->widget->allocation.width - frame->width - frame->margin;
+ x_l = frame->width + frame->margin;
+ y = frame->width + frame->margin;
+ wl_list_for_each(button, &frame->buttons_list, link) {
+ const int button_padding = 4;
+ w = cairo_image_surface_get_width(button->icon);
+ h = cairo_image_surface_get_height(button->icon);
+
+ if (button->decoration == FRAME_BUTTON_FANCY)
+ w += 10;
+
+ if (button->align == FRAME_BUTTON_LEFT) {
+ widget_set_allocation(button->widget,
+ x_l, y , w + 1, h + 1);
+ x_l += w;
+ x_l += button_padding;
+ } else {
+ x_r -= w;
+ widget_set_allocation(button->widget,
+ x_r, y , w + 1, h + 1);
+ x_r -= button_padding;
+ }
+ }
+}
+
+static int
+frame_button_enter_handler(struct widget *widget,
+ struct input *input, float x, float y, void *data)
+{
+ struct frame_button *frame_button = data;
+
+ widget_schedule_redraw(frame_button->widget);
+ frame_button->state = FRAME_BUTTON_OVER;
+
+ return POINTER_LEFT_PTR;
+}
+
+static void
+frame_button_leave_handler(struct widget *widget, struct input *input, void *data)
+{
+ struct frame_button *frame_button = data;
+
+ widget_schedule_redraw(frame_button->widget);
+ frame_button->state = FRAME_BUTTON_DEFAULT;
+}
+
+static void
+frame_button_button_handler(struct widget *widget,
+ struct input *input, uint32_t time,
+ uint32_t button, uint32_t state, void *data)
+{
+ struct frame_button *frame_button = data;
+ struct window *window = widget->window;
+
+ if (button != BTN_LEFT)
+ return;
+
+ switch (state) {
+ case 1:
+ frame_button->state = FRAME_BUTTON_ACTIVE;
+ widget_schedule_redraw(frame_button->widget);
+
+ if (frame_button->type == FRAME_BUTTON_ICON)
+ window_show_frame_menu(window, input, time);
+ return;
+ case 0:
+ frame_button->state = FRAME_BUTTON_DEFAULT;
+ widget_schedule_redraw(frame_button->widget);
+ break;
+ }
+
+ switch (frame_button->type) {
+ case FRAME_BUTTON_CLOSE:
+ if (window->close_handler)
+ window->close_handler(window->parent,
+ window->user_data);
+ else
+ display_exit(window->display);
+ break;
+ case FRAME_BUTTON_MINIMIZE:
+ fprintf(stderr,"Minimize stub\n");
+ break;
+ case FRAME_BUTTON_MAXIMIZE:
+ window_set_maximized(window, window->type != TYPE_MAXIMIZED);
+ break;
+ default:
+ /* Unknown operation */
+ break;
+ }
+}
+
+static void
+frame_button_redraw_handler(struct widget *widget, void *data)
+{
+ struct frame_button *frame_button = data;
+ cairo_t *cr;
+ int width, height, x, y;
+ struct window *window = widget->window;
+
+ x = widget->allocation.x;
+ y = widget->allocation.y;
+ width = widget->allocation.width;
+ height = widget->allocation.height;
+
+ if (!width)
+ return;
+ if (!height)
+ return;
+ if (widget->opaque)
+ return;
+
+ cr = cairo_create(window->cairo_surface);
+
+ if (frame_button->decoration == FRAME_BUTTON_FANCY) {
+ cairo_set_line_width(cr, 1);
+
+ cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
+ cairo_rectangle (cr, x, y, 25, 16);
+
+ cairo_stroke_preserve(cr);
+
+ switch (frame_button->state) {
+ case FRAME_BUTTON_DEFAULT:
+ cairo_set_source_rgb(cr, 0.88, 0.88, 0.88);
+ break;
+ case FRAME_BUTTON_OVER:
+ cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
+ break;
+ case FRAME_BUTTON_ACTIVE:
+ cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
+ break;
+ }
+
+ cairo_fill (cr);
+
+ x += 4;
+ }
+
+ cairo_set_source_surface(cr, frame_button->icon, x, y);
+ cairo_paint(cr);
+
+ cairo_destroy(cr);
+}
+
+static struct widget *
+frame_button_create(struct frame *frame, void *data, enum frame_button_action type,
+ enum frame_button_align align, enum frame_button_decoration style)
+{
+ struct frame_button *frame_button;
+ const char *icon = data;
+
+ frame_button = malloc (sizeof *frame_button);
+ memset(frame_button, 0, sizeof *frame_button);
+
+ frame_button->icon = cairo_image_surface_create_from_png(icon);
+ frame_button->widget = widget_add_widget(frame->widget, frame_button);
+ frame_button->frame = frame;
+ frame_button->type = type;
+ frame_button->align = align;
+ frame_button->decoration = style;
+
+ wl_list_insert(frame->buttons_list.prev, &frame_button->link);
+
+ widget_set_redraw_handler(frame_button->widget, frame_button_redraw_handler);
+ widget_set_enter_handler(frame_button->widget, frame_button_enter_handler);
+ widget_set_leave_handler(frame_button->widget, frame_button_leave_handler);
+ widget_set_button_handler(frame_button->widget, frame_button_button_handler);
+ return frame_button->widget;
+}
+
+static void
+frame_button_destroy(struct frame_button *frame_button)
+{
+ widget_destroy(frame_button->widget);
+ wl_list_remove(&frame_button->link);
+ cairo_surface_destroy(frame_button->icon);
+ free(frame_button);
+
+ return;