2013-11-25 22:01:34 +04:00
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/*
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* Copyright © 2013 Collabora Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <linux/input.h>
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#include <cairo.h>
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#include "window.h"
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struct stacking {
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struct display *display;
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struct window *root_window;
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};
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static void
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button_handler(struct widget *widget,
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struct input *input, uint32_t time,
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uint32_t button,
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enum wl_pointer_button_state state, void *data);
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static void
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key_handler(struct window *window,
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struct input *input, uint32_t time,
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uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
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void *data);
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static void
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2013-12-06 03:14:45 +04:00
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keyboard_focus_handler(struct window *window,
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struct input *device, void *data);
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static void
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2013-11-25 22:01:34 +04:00
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fullscreen_handler(struct window *window, void *data);
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static void
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redraw_handler(struct widget *widget, void *data);
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static struct window *
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2013-12-09 23:52:33 +04:00
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new_window(struct stacking *stacking)
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2013-11-25 22:01:34 +04:00
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{
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struct window *new_window;
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struct widget *new_widget;
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2013-12-09 23:52:33 +04:00
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new_window = window_create(stacking->display);
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2013-11-25 22:01:34 +04:00
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new_widget = window_frame_create(new_window, new_window);
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window_set_title(new_window, "Stacking Test");
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window_set_key_handler(new_window, key_handler);
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2013-12-06 03:14:45 +04:00
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window_set_keyboard_focus_handler(new_window, keyboard_focus_handler);
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2013-11-25 22:01:34 +04:00
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window_set_fullscreen_handler(new_window, fullscreen_handler);
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widget_set_button_handler(new_widget, button_handler);
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widget_set_redraw_handler(new_widget, redraw_handler);
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window_set_user_data(new_window, stacking);
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window_schedule_resize(new_window, 300, 300);
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return new_window;
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}
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static void
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show_popup_cb(struct window *window, struct input *input, int index, void *data)
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{
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/* Ignore the selected menu item. */
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}
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static void
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show_popup(struct stacking *stacking, struct input *input, uint32_t time,
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struct window *window)
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{
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int32_t x, y;
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static const char *entries[] = {
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"Test Entry",
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"Another Test Entry",
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};
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input_get_position(input, &x, &y);
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window_show_menu(stacking->display, input, time, window, x, y,
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show_popup_cb, entries, ARRAY_LENGTH(entries));
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}
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static void
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button_handler(struct widget *widget,
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struct input *input, uint32_t time,
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uint32_t button,
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enum wl_pointer_button_state state, void *data)
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{
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struct stacking *stacking = data;
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switch (button) {
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case BTN_RIGHT:
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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show_popup(stacking, input, time,
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widget_get_user_data(widget));
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break;
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case BTN_LEFT:
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default:
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break;
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}
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}
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static void
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key_handler(struct window *window,
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struct input *input, uint32_t time,
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uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
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void *data)
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{
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struct stacking *stacking = data;
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if (state != WL_KEYBOARD_KEY_STATE_PRESSED)
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return;
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switch (sym) {
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case XKB_KEY_f:
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fullscreen_handler(window, data);
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break;
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case XKB_KEY_m:
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window_set_maximized(window, !window_is_maximized(window));
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break;
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case XKB_KEY_n:
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2013-12-09 23:52:33 +04:00
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new_window(stacking);
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2013-11-25 22:01:34 +04:00
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break;
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case XKB_KEY_p:
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show_popup(stacking, input, time, window);
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break;
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case XKB_KEY_q:
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exit (0);
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break;
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default:
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break;
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}
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}
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2013-12-06 03:14:45 +04:00
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static void
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keyboard_focus_handler(struct window *window,
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struct input *device, void *data)
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{
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window_schedule_redraw(window);
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}
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2013-11-25 22:01:34 +04:00
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static void
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fullscreen_handler(struct window *window, void *data)
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{
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window_set_fullscreen(window, !window_is_fullscreen(window));
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}
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static void
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draw_string(cairo_t *cr,
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const char *fmt, ...) __attribute__((format (gnu_printf, 2, 3)));
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static void
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draw_string(cairo_t *cr,
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const char *fmt, ...)
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{
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char buffer[4096];
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char *p, *end;
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va_list argp;
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cairo_text_extents_t text_extents;
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cairo_font_extents_t font_extents;
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cairo_save(cr);
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cairo_select_font_face(cr, "sans",
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CAIRO_FONT_SLANT_NORMAL,
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CAIRO_FONT_WEIGHT_NORMAL);
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cairo_set_font_size(cr, 14);
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cairo_font_extents(cr, &font_extents);
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va_start(argp, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, argp);
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p = buffer;
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while (*p) {
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end = strchr(p, '\n');
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if (end)
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*end = 0;
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cairo_show_text(cr, p);
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cairo_text_extents(cr, p, &text_extents);
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cairo_rel_move_to(cr, -text_extents.x_advance, font_extents.height);
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if (end)
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p = end + 1;
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else
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break;
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}
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va_end(argp);
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cairo_restore(cr);
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}
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static void
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set_window_background_colour(cairo_t *cr, struct window *window)
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{
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2013-12-09 23:52:33 +04:00
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if (window_is_maximized(window))
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2013-11-25 22:01:34 +04:00
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cairo_set_source_rgba(cr, 1.0, 1.0, 0.0, 0.6);
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else if (window_is_fullscreen(window))
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cairo_set_source_rgba(cr, 0.0, 1.0, 1.0, 0.6);
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else
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cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0);
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}
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static void
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redraw_handler(struct widget *widget, void *data)
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{
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struct window *window;
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struct rectangle allocation;
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cairo_t *cr;
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widget_get_allocation(widget, &allocation);
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window = widget_get_user_data(widget);
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cr = widget_cairo_create(widget);
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cairo_translate(cr, allocation.x, allocation.y);
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/* Draw background. */
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cairo_push_group(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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set_window_background_colour(cr, window);
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cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
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cairo_fill(cr);
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cairo_pop_group_to_source(cr);
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cairo_paint(cr);
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/* Print the instructions. */
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cairo_move_to(cr, 5, 15);
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cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
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draw_string(cr,
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"Window: %p\n"
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"Fullscreen? %u\n"
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"Maximized? %u\n"
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"Keys: (f)ullscreen, (m)aximize,\n"
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" (n)ew window, (p)opup,\n"
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2013-12-09 23:52:33 +04:00
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" (q)uit\n",
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2013-11-25 22:01:34 +04:00
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window, window_is_fullscreen(window),
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2013-12-09 23:52:33 +04:00
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window_is_maximized(window));
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2013-11-25 22:01:34 +04:00
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cairo_destroy(cr);
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}
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int
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main(int argc, char *argv[])
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{
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struct stacking stacking;
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memset(&stacking, 0, sizeof stacking);
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#ifdef HAVE_PANGO
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g_type_init();
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#endif
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stacking.display = display_create(&argc, argv);
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if (stacking.display == NULL) {
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fprintf(stderr, "Failed to create display: %m\n");
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return -1;
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}
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display_set_user_data(stacking.display, &stacking);
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2013-12-09 23:52:33 +04:00
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stacking.root_window = new_window(&stacking);
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2013-11-25 22:01:34 +04:00
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display_run(stacking.display);
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return 0;
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}
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