This allows creation of a variety of window types, for the purposes of testing window ordering and stacking in Weston.dev
Philip Withnall
11 years ago
committed by
Kristian Høgsberg
parent
c971d2a8b3
commit
17c2fb4f29
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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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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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/* Iff parent_window is set, the new window will be transient. */ |
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static struct window * |
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new_window(struct stacking *stacking, struct window *parent_window) |
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{ |
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struct window *new_window; |
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struct widget *new_widget; |
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if (parent_window == NULL) { |
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new_window = window_create(stacking->display); |
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} else { |
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new_window = window_create_transient(stacking->display, |
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parent_window, 50, 50, 0); |
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} |
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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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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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/* New top-level window. */ |
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new_window(stacking, NULL); |
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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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case XKB_KEY_t: |
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/* New transient window. */ |
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new_window(stacking, window); |
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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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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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if (window_is_transient(window)) |
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cairo_set_source_rgba(cr, 0.0, 1.0, 0.0, 0.4); |
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else if (window_is_maximized(window)) |
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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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"Transient? %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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" (q)uit, (t)ransient window\n", |
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window, window_is_fullscreen(window), |
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window_is_maximized(window), window_is_transient(window)); |
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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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stacking.root_window = new_window(&stacking, NULL); |
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display_run(stacking.display); |
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return 0; |
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} |
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