fullscreen: Add fullscreen testing client

This lets you try fullscreen in different methods, sizes, scales,
translations, etc. You can verify both output and input (via mouse over
of the rectangles).

1 files changed, 356 insertions, 0 deletions

diff --git a/clients/fullscreen.c b/clients/fullscreen.c
new file mode 100644
index 00000000..bea1a15f
--- /dev/null
+++ b/clients/fullscreen.c
@@ -0,0 +1,356 @@
+/*
+ * Copyright © 2008 Kristian Høgsberg
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <math.h>
+#include <cairo.h>
+
+#include <linux/input.h>
+#include <wayland-client.h>
+#include "window.h"
+
+struct fullscreen {
+	struct display *display;
+	struct window *window;
+	struct widget *widget;
+	int width, height;
+	int fullscreen;
+	float pointer_x, pointer_y;
+	enum wl_shell_surface_fullscreen_method fullscreen_method;
+};
+
+static void
+fullscreen_handler(struct window *window, void *data)
+{
+	struct fullscreen *fullscreen = data;
+
+	fullscreen->fullscreen ^= 1;
+	window_set_fullscreen(window, fullscreen->fullscreen);
+}
+
+static void
+resize_handler(struct widget *widget, int width, int height, void *data)
+{
+	struct fullscreen *fullscreen = data;
+
+	widget_set_size(widget, fullscreen->width, fullscreen->height);
+}
+
+static void
+draw_string(cairo_t *cr,
+	    const char *fmt, ...)
+{
+	char buffer[4096];
+	char *p, *end;
+	va_list argp;
+	cairo_text_extents_t text_extents;
+	cairo_font_extents_t font_extents;
+
+	cairo_save(cr);
+
+	cairo_select_font_face(cr, "sans",
+			       CAIRO_FONT_SLANT_NORMAL,
+			       CAIRO_FONT_WEIGHT_NORMAL);
+	cairo_set_font_size(cr, 14);
+
+	cairo_font_extents (cr, &font_extents);
+
+	va_start(argp, fmt);
+
+	vsnprintf(buffer, sizeof(buffer), fmt, argp);
+
+	p = buffer;
+	while (*p) {
+		end = strchr(p, '\n');
+		if (end)
+			*end = 0;
+
+		cairo_show_text(cr, p);
+		cairo_text_extents (cr, p, &text_extents);
+		cairo_rel_move_to (cr, -text_extents.x_advance, font_extents.height);
+
+		if (end)
+			p = end + 1;
+		else
+			break;
+	}
+
+	va_end(argp);
+
+	cairo_restore(cr);
+
+}
+
+static void
+redraw_handler(struct widget *widget, void *data)
+{
+	struct fullscreen *fullscreen = data;
+	struct rectangle allocation;
+	cairo_surface_t *surface;
+	cairo_t *cr;
+	int i;
+	double x, y, border;
+	const char *method_name[] = { "default", "scale", "driver", "fill" };
+
+	surface = window_get_surface(fullscreen->window);
+	if (surface == NULL ||
+	    cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
+		fprintf(stderr, "failed to create cairo egl surface\n");
+		return;
+	}
+
+	widget_get_allocation(fullscreen->widget, &allocation);
+
+	cr = widget_cairo_create(widget);
+
+	cairo_set_source_rgb(cr, 0, 0, 0);
+	cairo_paint (cr);
+
+	cairo_set_source_rgb(cr, 0, 0, 1);
+	cairo_set_line_width (cr, 10);
+	cairo_rectangle(cr, 5, 5, allocation.width - 10, allocation.height - 10);
+	cairo_stroke (cr);
+
+	cairo_move_to(cr,
+		      allocation.x + 15,
+		      allocation.y + 25);
+	cairo_set_source_rgb(cr, 1, 1, 1);
+
+	draw_string(cr,
+		    "Surface size: %d, %d\n"
+		    "Scale: %d, transform: %d\n"
+		    "Pointer: %f,%f\n"
+		    "Fullscreen: %d, method: %s\n"
+		    "Keys: (s)cale, (t)ransform, si(z)e, (m)ethod, (f)ullscreen, (q)uit\n",
+		    fullscreen->width, fullscreen->height,
+		    window_get_buffer_scale (fullscreen->window),
+		    window_get_buffer_transform (fullscreen->window),
+		    fullscreen->pointer_x, fullscreen->pointer_y,
+		    fullscreen->fullscreen, method_name[fullscreen->fullscreen_method]);
+
+	y = 100;
+	i = 0;
+	while (y + 60 < fullscreen->height) {
+		border = (i++ % 2 == 0) ? 1 : 0.5;
+
+		x = 50;
+		cairo_set_line_width (cr, border);
+		while (x + 70 < fullscreen->width) {
+			if (fullscreen->pointer_x >= x && fullscreen->pointer_x < x + 50 &&
+			    fullscreen->pointer_y >= y && fullscreen->pointer_y < y + 40) {
+				cairo_set_source_rgb(cr, 1, 0, 0);
+				cairo_rectangle(cr,
+						x, y,
+						50, 40);
+				cairo_fill(cr);
+			}
+			cairo_set_source_rgb(cr, 0, 1, 0);
+			cairo_rectangle(cr,
+					x + border/2.0, y + border/2.0,
+					50, 40);
+			cairo_stroke(cr);
+			x += 60;
+		}
+
+		y += 50;
+	}
+
+	cairo_destroy(cr);
+}
+
+static void
+key_handler(struct window *window, struct input *input, uint32_t time,
+	    uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
+	    void *data)
+{
+	struct fullscreen *fullscreen = data;
+	int transform, scale;
+	static int current_size = 0;
+	int widths[] = { 640, 320, 800, 400 };
+	int heights[] = { 480, 240, 600, 300 };
+
+	if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
+		return;
+
+	switch (sym) {
+	case XKB_KEY_t:
+		transform = window_get_buffer_transform (window);
+		transform = (transform + 1) % 8;
+		window_set_buffer_transform(window, transform);
+		window_schedule_redraw(window);
+		break;
+
+	case XKB_KEY_s:
+		scale = window_get_buffer_scale (window);
+		if (scale == 1)
+			scale = 2;
+		else
+			scale = 1;
+		window_set_buffer_scale(window, scale);
+		window_schedule_redraw(window);
+		break;
+
+	case XKB_KEY_z:
+		current_size = (current_size + 1) % 4;
+		fullscreen->width = widths[current_size];
+		fullscreen->height = heights[current_size];
+		window_schedule_resize(fullscreen->window,
+				       fullscreen->width, fullscreen->height);
+		break;
+
+	case XKB_KEY_m:
+		fullscreen->fullscreen_method = (fullscreen->fullscreen_method + 1) % 4;
+		window_set_fullscreen_method(fullscreen->window,
+					     fullscreen->fullscreen_method);
+		window_schedule_redraw(window);
+		break;
+
+	case XKB_KEY_f:
+		fullscreen->fullscreen ^= 1;
+		window_set_fullscreen(window, fullscreen->fullscreen);
+		break;
+
+	case XKB_KEY_q:
+		exit (0);
+		break;
+	}
+}
+
+static int
+motion_handler(struct widget *widget,
+	       struct input *input,
+	       uint32_t time,
+	       float x,
+	       float y, void *data)
+{
+	struct fullscreen *fullscreen = data;
+
+	fullscreen->pointer_x = x;
+	fullscreen->pointer_y = y;
+
+	widget_schedule_redraw(widget);
+	return 0;
+}
+
+
+static void
+button_handler(struct widget *widget,
+	       struct input *input, uint32_t time,
+	       uint32_t button, enum wl_pointer_button_state state, void *data)
+{
+	struct fullscreen *fullscreen = data;
+
+	switch (button) {
+	case BTN_LEFT:
+		if (state == WL_POINTER_BUTTON_STATE_PRESSED)
+			window_move(fullscreen->window, input,
+				    display_get_serial(fullscreen->display));
+		break;
+	case BTN_RIGHT:
+		if (state == WL_POINTER_BUTTON_STATE_PRESSED)
+			window_show_frame_menu(fullscreen->window, input, time);
+		break;
+	}
+}
+
+static void
+usage(int error_code)
+{
+	fprintf(stderr, "Usage: fullscreen [OPTIONS]\n\n"
+		"   -w <width>\tSet window width to <width>\n"
+		"   -h <height>\tSet window height to <height>\n"
+		"   --help\tShow this help text\n\n");
+
+	exit(error_code);
+}
+
+int main(int argc, char *argv[])
+{
+	struct fullscreen fullscreen;
+	struct display *d;
+	int i;
+
+	fullscreen.width = 640;
+	fullscreen.height = 480;
+	fullscreen.fullscreen = 0;
+	fullscreen.fullscreen_method =
+		WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT;
+
+	for (i = 1; i < argc; i++) {
+		if (strcmp(argv[i], "-w") == 0) {
+			if (++i >= argc)
+				usage(EXIT_FAILURE);
+
+			fullscreen.width = atol(argv[i]);
+		} else if (strcmp(argv[i], "-h") == 0) {
+			if (++i >= argc)
+				usage(EXIT_FAILURE);
+
+			fullscreen.height = atol(argv[i]);
+		} else if (strcmp(argv[i], "--help") == 0)
+			usage(EXIT_SUCCESS);
+		else
+			usage(EXIT_FAILURE);
+	}
+
+	d = display_create(&argc, argv);
+	if (d == NULL) {
+		fprintf(stderr, "failed to create display: %m\n");
+		return -1;
+	}
+
+	fullscreen.display = d;
+	fullscreen.window = window_create(d);
+	fullscreen.widget =
+		window_add_widget(fullscreen.window, &fullscreen);
+
+	window_set_title(fullscreen.window, "Fullscreen");
+	window_set_fullscreen_method(fullscreen.window,
+				     fullscreen.fullscreen_method);
+
+	widget_set_transparent(fullscreen.widget, 0);
+	widget_set_default_cursor(fullscreen.widget, CURSOR_LEFT_PTR);
+
+	widget_set_resize_handler(fullscreen.widget, resize_handler);
+	widget_set_redraw_handler(fullscreen.widget, redraw_handler);
+	widget_set_button_handler(fullscreen.widget, button_handler);
+	widget_set_motion_handler(fullscreen.widget, motion_handler);
+
+	window_set_key_handler(fullscreen.window, key_handler);
+	window_set_fullscreen_handler(fullscreen.window, fullscreen_handler);
+
+	window_set_user_data(fullscreen.window, &fullscreen);
+	/* Hack to set minimum allocation so we can shrink later */
+	window_schedule_resize(fullscreen.window,
+			       1, 1);
+	window_schedule_resize(fullscreen.window,
+			       fullscreen.width, fullscreen.height);
+
+	display_run(d);
+
+	return 0;
+}