diff --git a/clients/Makefile.am b/clients/Makefile.am index 56b6a2b5..c2e423c6 100644 --- a/clients/Makefile.am +++ b/clients/Makefile.am @@ -1,4 +1,4 @@ -noinst_PROGRAMS = gears flower screenshot terminal image view dnd smoke +noinst_PROGRAMS = gears flower screenshot terminal image view dnd smoke resizor noinst_LTLIBRARIES = libtoytoolkit.la INCLUDES = \ @@ -29,6 +29,7 @@ terminal_SOURCES = terminal.c image_SOURCES = image.c view_SOURCES = view.c dnd_SOURCES = dnd.c +resizor_SOURCES = resizor.c BUILT_SOURCES = \ screenshooter-client-protocol.h \ diff --git a/clients/resizor.c b/clients/resizor.c new file mode 100644 index 00000000..cfed1267 --- /dev/null +++ b/clients/resizor.c @@ -0,0 +1,204 @@ +/* + * Copyright © 2010 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 +#include +#include +#include +#include + +#include "wayland-util.h" +#include "wayland-client.h" +#include "wayland-glib.h" + +#include "window.h" + +#include + +struct resizor { + struct display *display; + struct window *window; + struct rectangle child_allocation; + + struct { + double current; + double target; + double previous; + } height; +}; + +static void +resizor_draw(struct resizor *resizor) +{ + cairo_surface_t *surface; + cairo_t *cr; + + window_draw(resizor->window); + + window_get_child_rectangle(resizor->window, + &resizor->child_allocation); + + surface = window_get_surface(resizor->window); + + cr = cairo_create(surface); + cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); + cairo_rectangle(cr, + resizor->child_allocation.x, + resizor->child_allocation.y, + resizor->child_allocation.width, + resizor->child_allocation.height); + cairo_set_source_rgba(cr, 0, 0, 0, 0.8); + cairo_fill(cr); + cairo_destroy(cr); + + cairo_surface_destroy(surface); + + window_flush(resizor->window); +} + +static void +redraw_handler(struct window *window, void *data) +{ + struct resizor *resizor = data; + + resizor_draw(resizor); +} + +static void +keyboard_focus_handler(struct window *window, + struct input *device, void *data) +{ + struct resizor *resizor = data; + + window_schedule_redraw(resizor->window); +} + +static void +frame_callback(void *data, uint32_t time) +{ + struct resizor *resizor = data; + double force, height; + + height = resizor->height.current; + force = (resizor->height.target - height) / 10.0 + + (resizor->height.previous - height); + + resizor->height.current = + height + (height - resizor->height.previous) + force; + resizor->height.previous = height; + + if (resizor->height.current >= 400) { + resizor->height.current = 400; + resizor->height.previous = 400; + } + + if (resizor->height.current <= 200) { + resizor->height.current = 200; + resizor->height.previous = 200; + } + + resizor->child_allocation.height = height + 0.5; + window_set_child_size(resizor->window, + &resizor->child_allocation); + + if ((int) (height + 0.5) != resizor->height.target) { + window_schedule_redraw(resizor->window); + wl_display_frame_callback(display_get_display(resizor->display), + frame_callback, resizor); + } +} + +static void +key_handler(struct window *window, uint32_t key, uint32_t sym, + uint32_t state, uint32_t modifiers, void *data) +{ + struct resizor *resizor = data; + + if (state == 0) + return; + + switch (sym) { + case XK_F1: + resizor->height.target = 400; + resizor->height.current = resizor->child_allocation.height; + frame_callback(resizor, 0); + break; + case XK_F2: + resizor->height.target = 200; + resizor->height.current = resizor->child_allocation.height; + frame_callback(resizor, 0); + break; + } +} + +static struct resizor * +resizor_create(struct display *display) +{ + struct resizor *resizor; + + resizor = malloc(sizeof *resizor); + if (resizor == NULL) + return resizor; + memset(resizor, 0, sizeof *resizor); + + resizor->window = window_create(display, "Wayland Resizor", + 100, 100, 500, 400); + resizor->display = display; + + window_set_key_handler(resizor->window, key_handler); + window_set_user_data(resizor->window, resizor); + window_set_redraw_handler(resizor->window, redraw_handler); + window_set_keyboard_focus_handler(resizor->window, + keyboard_focus_handler); + + resizor->child_allocation.x = 0; + resizor->child_allocation.y = 0; + resizor->child_allocation.width = 300; + resizor->child_allocation.height = 400; + resizor->height.current = 400; + resizor->height.previous = 400; + resizor->height.target = 400; + + window_set_child_size(resizor->window, &resizor->child_allocation); + + resizor_draw(resizor); + + return resizor; +} + +int +main(int argc, char *argv[]) +{ + struct display *d; + + d = display_create(&argc, &argv, NULL); + if (d == NULL) { + fprintf(stderr, "failed to create display: %m\n"); + return -1; + } + + resizor_create (d); + + display_run(d); + + return 0; +}