[PATCH weston 03/11] compositor-wayland: Add an actual frame around the compositor window
Jason Ekstrand
jason at jlekstrand.net
Mon Oct 28 04:24:55 CET 2013
This adds a window frame with a close button. Similar to the X11 backend,
The window supports dragging but not resizing.
Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
---
configure.ac | 2 +-
src/compositor-wayland.c | 406 ++++++++++++++++++++++++++++++++++++++---------
2 files changed, 335 insertions(+), 73 deletions(-)
diff --git a/configure.ac b/configure.ac
index a55a415..acfecb0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -159,7 +159,7 @@ AM_CONDITIONAL(ENABLE_WAYLAND_COMPOSITOR,
if test x$enable_wayland_compositor = xyes -a x$enable_egl = xyes; then
AC_DEFINE([BUILD_WAYLAND_COMPOSITOR], [1],
[Build the Wayland (nested) compositor])
- PKG_CHECK_MODULES(WAYLAND_COMPOSITOR, [wayland-client wayland-egl])
+ PKG_CHECK_MODULES(WAYLAND_COMPOSITOR, [wayland-client wayland-egl wayland-cursor])
fi
diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c
index f4cc7d7..76364d8 100644
--- a/src/compositor-wayland.c
+++ b/src/compositor-wayland.c
@@ -32,11 +32,13 @@
#include <wayland-client.h>
#include <wayland-egl.h>
+#include <wayland-cursor.h>
#include "compositor.h"
#include "gl-renderer.h"
#include "../shared/image-loader.h"
#include "../shared/os-compatibility.h"
+#include "../shared/cairo-util.h"
struct wayland_compositor {
struct weston_compositor base;
@@ -57,9 +59,10 @@ struct wayland_compositor {
uint32_t event_mask;
} parent;
- struct {
- int32_t top, bottom, left, right;
- } border;
+ struct theme *theme;
+ cairo_device_t *frame_device;
+ struct wl_cursor_theme *cursor_theme;
+ struct wl_cursor *cursor;
struct wl_list inputs;
};
@@ -74,6 +77,16 @@ struct wayland_output {
struct wl_egl_window *egl_window;
} parent;
+ int keyboard_count;
+
+ struct frame *frame;
+ struct {
+ cairo_surface_t *top;
+ cairo_surface_t *left;
+ cairo_surface_t *right;
+ cairo_surface_t *bottom;
+ } border;
+
struct weston_mode mode;
};
@@ -87,41 +100,23 @@ struct wayland_input {
struct wl_pointer *pointer;
struct wl_keyboard *keyboard;
struct wl_touch *touch;
+
+ struct {
+ struct wl_surface *surface;
+ int32_t hx, hy;
+ } cursor;
} parent;
uint32_t key_serial;
uint32_t enter_serial;
int focus;
struct wayland_output *output;
+ struct wayland_output *keyboard_focus;
};
struct gl_renderer_interface *gl_renderer;
static void
-create_border(struct wayland_compositor *c)
-{
- pixman_image_t *image;
- int32_t edges[4];
-
- image = load_image(DATADIR "/weston/border.png");
- if (!image) {
- weston_log("couldn't load border image\n");
- return;
- }
-
- edges[0] = c->border.left;
- edges[1] = c->border.right;
- edges[2] = c->border.top;
- edges[3] = c->border.bottom;
-
- gl_renderer->set_border(&c->base, pixman_image_get_width(image),
- pixman_image_get_height(image),
- pixman_image_get_data(image), edges);
-
- pixman_image_unref(image);
-}
-
-static void
frame_done(void *data, struct wl_callback *callback, uint32_t time)
{
struct weston_output *output = data;
@@ -159,8 +154,14 @@ draw_initial_frame(struct wayland_output *output)
int fd;
void *data;
- width = output->mode.width + c->border.left + c->border.right;
- height = output->mode.height + c->border.top + c->border.bottom;
+ if (output->frame) {
+ width = frame_width(output->frame);
+ height = frame_height(output->frame);
+ } else {
+ width = output->mode.width;
+ height = output->mode.height;
+ }
+
stride = width * 4;
size = height * stride;
@@ -197,6 +198,76 @@ draw_initial_frame(struct wayland_output *output)
}
static void
+wayland_output_update_gl_border(struct wayland_output *output)
+{
+ int32_t ix, iy, iwidth, iheight, fwidth, fheight;
+ cairo_t *cr;
+
+ if (!output->frame)
+ return;
+ if (!(frame_status(output->frame) & FRAME_STATUS_REPAINT))
+ return;
+
+ fwidth = frame_width(output->frame);
+ fheight = frame_height(output->frame);
+ frame_interior(output->frame, &ix, &iy, &iwidth, &iheight);
+
+ if (!output->border.top)
+ output->border.top =
+ cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+ fwidth, iy);
+ cr = cairo_create(output->border.top);
+ frame_repaint(output->frame, cr);
+ cairo_destroy(cr);
+ gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_TOP,
+ fwidth, iy,
+ cairo_image_surface_get_stride(output->border.top) / 4,
+ cairo_image_surface_get_data(output->border.top));
+
+
+ if (!output->border.left)
+ output->border.left =
+ cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+ ix, 1);
+ cr = cairo_create(output->border.left);
+ cairo_translate(cr, 0, -iy);
+ frame_repaint(output->frame, cr);
+ cairo_destroy(cr);
+ gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_LEFT,
+ ix, 1,
+ cairo_image_surface_get_stride(output->border.left) / 4,
+ cairo_image_surface_get_data(output->border.left));
+
+
+ if (!output->border.right)
+ output->border.right =
+ cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+ fwidth - (ix + iwidth), 1);
+ cr = cairo_create(output->border.right);
+ cairo_translate(cr, -(iwidth + ix), -iy);
+ frame_repaint(output->frame, cr);
+ cairo_destroy(cr);
+ gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_RIGHT,
+ fwidth - (ix + iwidth), 1,
+ cairo_image_surface_get_stride(output->border.right) / 4,
+ cairo_image_surface_get_data(output->border.right));
+
+
+ if (!output->border.bottom)
+ output->border.bottom =
+ cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+ fwidth, fheight - (iy + iheight));
+ cr = cairo_create(output->border.bottom);
+ cairo_translate(cr, 0, -(iy + iheight));
+ frame_repaint(output->frame, cr);
+ cairo_destroy(cr);
+ gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_BOTTOM,
+ fwidth, fheight - (iy + iheight),
+ cairo_image_surface_get_stride(output->border.bottom) / 4,
+ cairo_image_surface_get_data(output->border.bottom));
+}
+
+static void
wayland_output_start_repaint_loop(struct weston_output *output_base)
{
struct wayland_output *output = (struct wayland_output *) output_base;
@@ -229,6 +300,8 @@ wayland_output_repaint(struct weston_output *output_base,
callback = wl_surface_frame(output->parent.surface);
wl_callback_add_listener(callback, &frame_listener, output);
+ wayland_output_update_gl_border(output);
+
ec->renderer->repaint_output(&output->base, damage);
pixman_region32_subtract(&ec->primary_plane.damage,
@@ -244,6 +317,18 @@ wayland_output_destroy(struct weston_output *output_base)
gl_renderer->output_destroy(output_base);
wl_egl_window_destroy(output->parent.egl_window);
+ wl_surface_destroy(output->parent.surface);
+ wl_shell_surface_destroy(output->parent.shell_surface);
+
+ if (output->frame) {
+ frame_destroy(output->frame);
+ cairo_surface_destroy(output->border.top);
+ cairo_surface_destroy(output->border.left);
+ cairo_surface_destroy(output->border.right);
+ cairo_surface_destroy(output->border.bottom);
+ }
+
+ weston_output_destroy(&output->base);
free(output);
return;
@@ -256,6 +341,8 @@ wayland_compositor_create_output(struct wayland_compositor *c,
int width, int height)
{
struct wayland_output *output;
+ int32_t fx, fy, fwidth, fheight;
+ struct wl_region *region;
output = zalloc(sizeof *output);
if (output == NULL)
@@ -278,14 +365,25 @@ wayland_compositor_create_output(struct wayland_compositor *c,
weston_output_move(&output->base, 0, 0);
+ if (!c->theme)
+ c->theme = theme_create();
+ output->frame = frame_create(c->theme, width, height,
+ FRAME_BUTTON_CLOSE, "Weston");
+ frame_resize_inside(output->frame, width, height);
+ frame_interior(output->frame, &fx, &fy, NULL, NULL);
+ fwidth = frame_width(output->frame);
+ fheight = frame_height(output->frame);
+
+ weston_log("Creating %dx%d wayland output (%dx%d actual)\n",
+ width, height, fwidth, fheight);
+
output->parent.surface =
wl_compositor_create_surface(c->parent.compositor);
wl_surface_set_user_data(output->parent.surface, output);
output->parent.egl_window =
wl_egl_window_create(output->parent.surface,
- width + c->border.left + c->border.right,
- height + c->border.top + c->border.bottom);
+ fwidth, fheight);
if (!output->parent.egl_window) {
weston_log("failure to create wl_egl_window\n");
goto cleanup_output;
@@ -295,6 +393,23 @@ wayland_compositor_create_output(struct wayland_compositor *c,
output->parent.egl_window) < 0)
goto cleanup_window;
+ output->base.border.left = fx;
+ output->base.border.top = fy;
+ output->base.border.right = fwidth - width - fx;
+ output->base.border.bottom = fheight - height - fy;
+
+ frame_input_rect(output->frame, &fx, &fy, &fwidth, &fheight);
+ region = wl_compositor_create_region(c->parent.compositor);
+ wl_region_add(region, fx, fy, fwidth, fheight);
+ wl_surface_set_input_region(output->parent.surface, region);
+ wl_region_destroy(region);
+
+ frame_opaque_rect(output->frame, &fx, &fy, &fwidth, &fheight);
+ region = wl_compositor_create_region(c->parent.compositor);
+ wl_region_add(region, fx, fy, fwidth, fheight);
+ wl_surface_set_opaque_region(output->parent.surface, region);
+ wl_region_destroy(region);
+
output->parent.draw_initial_frame = 1;
output->parent.shell_surface =
wl_shell_get_shell_surface(c->parent.shell,
@@ -389,47 +504,72 @@ static const struct wl_output_listener output_listener = {
display_handle_mode
};
+/* parent input interface */
static void
-check_focus(struct wayland_input *input, wl_fixed_t x, wl_fixed_t y)
+input_set_cursor(struct wayland_input *input)
{
- struct wayland_compositor *c = input->compositor;
- int width, height, inside;
- width = input->output->mode.width;
- height = input->output->mode.height;
+ struct wl_buffer *buffer;
+ struct wl_cursor_image *image;
- inside = c->border.left <= wl_fixed_to_int(x) &&
- wl_fixed_to_int(x) < width + c->border.left &&
- c->border.top <= wl_fixed_to_int(y) &&
- wl_fixed_to_int(y) < height + c->border.top;
+ if (!input->compositor->cursor)
+ return; /* Couldn't load the cursor. Can't set it */
- if (!input->focus && inside) {
- notify_pointer_focus(&input->base, &input->output->base,
- x - wl_fixed_from_int(c->border.left),
- y = wl_fixed_from_int(c->border.top));
- wl_pointer_set_cursor(input->parent.pointer,
- input->enter_serial, NULL, 0, 0);
- } else if (input->focus && !inside) {
- notify_pointer_focus(&input->base, NULL, 0, 0);
- /* FIXME: Should set default cursor here. */
- }
+ image = input->compositor->cursor->images[0];
+ buffer = wl_cursor_image_get_buffer(image);
+
+
+ wl_pointer_set_cursor(input->parent.pointer, input->enter_serial,
+ input->parent.cursor.surface,
+ image->hotspot_x, image->hotspot_y);
- input->focus = inside;
+ wl_surface_attach(input->parent.cursor.surface, buffer, 0, 0);
+ wl_surface_damage(input->parent.cursor.surface, 0, 0,
+ image->width, image->height);
+ wl_surface_commit(input->parent.cursor.surface);
}
-/* parent input interface */
static void
input_handle_pointer_enter(void *data, struct wl_pointer *pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t x, wl_fixed_t y)
{
struct wayland_input *input = data;
+ int32_t fx, fy;
+ enum theme_location location;
/* XXX: If we get a modifier event immediately before the focus,
* we should try to keep the same serial. */
input->enter_serial = serial;
input->output = wl_surface_get_user_data(surface);
- check_focus(input, x, y);
+
+ if (input->output->frame) {
+ location = frame_pointer_enter(input->output->frame, input,
+ wl_fixed_to_int(x),
+ wl_fixed_to_int(y));
+ frame_interior(input->output->frame, &fx, &fy, NULL, NULL);
+ x -= wl_fixed_from_int(fx);
+ y -= wl_fixed_from_int(fy);
+
+ if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&input->output->base);
+ } else {
+ location = THEME_LOCATION_CLIENT_AREA;
+ }
+
+ x += wl_fixed_from_int(input->output->base.x);
+ y += wl_fixed_from_int(input->output->base.y);
+
+ if (location == THEME_LOCATION_CLIENT_AREA) {
+ input->focus = 1;
+ notify_pointer_focus(&input->base, &input->output->base, x, y);
+ wl_pointer_set_cursor(input->parent.pointer,
+ input->enter_serial, NULL, 0, 0);
+ } else {
+ input->focus = 0;
+ notify_pointer_focus(&input->base, NULL, 0, 0);
+ input_set_cursor(input);
+ }
}
static void
@@ -438,6 +578,13 @@ input_handle_pointer_leave(void *data, struct wl_pointer *pointer,
{
struct wayland_input *input = data;
+ if (input->output->frame) {
+ frame_pointer_leave(input->output->frame, input);
+
+ if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&input->output->base);
+ }
+
notify_pointer_focus(&input->base, NULL, 0, 0);
input->output = NULL;
input->focus = 0;
@@ -448,15 +595,39 @@ input_handle_motion(void *data, struct wl_pointer *pointer,
uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
struct wayland_input *input = data;
- struct wayland_compositor *c = input->compositor;
+ int32_t fx, fy;
+ enum theme_location location;
+
+ if (input->output->frame) {
+ location = frame_pointer_motion(input->output->frame, input,
+ wl_fixed_to_int(x),
+ wl_fixed_to_int(y));
+ frame_interior(input->output->frame, &fx, &fy, NULL, NULL);
+ x -= wl_fixed_from_int(fx);
+ y -= wl_fixed_from_int(fy);
+
+ if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&input->output->base);
+ } else {
+ location = THEME_LOCATION_CLIENT_AREA;
+ }
+
+ x += wl_fixed_from_int(input->output->base.x);
+ y += wl_fixed_from_int(input->output->base.y);
- check_focus(input, x, y);
- if (input->focus)
- notify_motion(&input->base, time,
- x - wl_fixed_from_int(c->border.left) -
- input->base.pointer->x,
- y - wl_fixed_from_int(c->border.top) -
- input->base.pointer->y);
+ if (input->focus && location != THEME_LOCATION_CLIENT_AREA) {
+ input_set_cursor(input);
+ notify_pointer_focus(&input->base, NULL, 0, 0);
+ input->focus = 0;
+ } else if (!input->focus && location == THEME_LOCATION_CLIENT_AREA) {
+ wl_pointer_set_cursor(input->parent.pointer,
+ input->enter_serial, NULL, 0, 0);
+ notify_pointer_focus(&input->base, &input->output->base, x, y);
+ input->focus = 1;
+ }
+
+ if (location == THEME_LOCATION_CLIENT_AREA)
+ notify_motion_absolute(&input->base, time, x, y);
}
static void
@@ -466,8 +637,36 @@ input_handle_button(void *data, struct wl_pointer *pointer,
{
struct wayland_input *input = data;
enum wl_pointer_button_state state = state_w;
+ enum frame_button_state fstate;
+ enum theme_location location;
+
+ if (input->output->frame) {
+ fstate = state == WL_POINTER_BUTTON_STATE_PRESSED ?
+ FRAME_BUTTON_PRESSED : FRAME_BUTTON_RELEASED;
+
+ location = frame_pointer_button(input->output->frame, input,
+ button, fstate);
+
+ if (frame_status(input->output->frame) & FRAME_STATUS_MOVE) {
+
+ wl_shell_surface_move(input->output->parent.shell_surface,
+ input->parent.seat, serial);
+ frame_status_clear(input->output->frame,
+ FRAME_STATUS_MOVE);
+ return;
+ }
+
+ if (frame_status(input->output->frame) & FRAME_STATUS_CLOSE)
+ wl_display_terminate(input->compositor->base.wl_display);
+
+ if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&input->output->base);
+ } else {
+ location = THEME_LOCATION_CLIENT_AREA;
+ }
- notify_button(&input->base, time, button, state);
+ if (location == THEME_LOCATION_CLIENT_AREA)
+ notify_button(&input->base, time, button, state);
}
static void
@@ -539,6 +738,28 @@ input_handle_keyboard_enter(void *data,
struct wl_array *keys)
{
struct wayland_input *input = data;
+ struct wayland_output *focus;
+
+ focus = input->keyboard_focus;
+ if (focus) {
+ /* This shouldn't happen */
+ focus->keyboard_count--;
+ if (!focus->keyboard_count && focus->frame)
+ frame_unset_flag(focus->frame, FRAME_FLAG_ACTIVE);
+ if (frame_status(focus->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&focus->base);
+ }
+
+ input->keyboard_focus = wl_surface_get_user_data(surface);
+ input->keyboard_focus->keyboard_count++;
+
+ focus = input->keyboard_focus;
+ if (focus->frame) {
+ frame_set_flag(focus->frame, FRAME_FLAG_ACTIVE);
+ if (frame_status(focus->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&focus->base);
+ }
+
/* XXX: If we get a modifier event immediately before the focus,
* we should try to keep the same serial. */
@@ -553,8 +774,22 @@ input_handle_keyboard_leave(void *data,
struct wl_surface *surface)
{
struct wayland_input *input = data;
+ struct wayland_output *focus;
notify_keyboard_focus_out(&input->base);
+
+ focus = input->keyboard_focus;
+ if (!focus)
+ return; /* This shouldn't happen */
+
+ focus->keyboard_count--;
+ if (!focus->keyboard_count && focus->frame) {
+ frame_unset_flag(focus->frame, FRAME_FLAG_ACTIVE);
+ if (frame_status(focus->frame) & FRAME_STATUS_REPAINT)
+ weston_output_schedule_repaint(&focus->base);
+ }
+
+ input->keyboard_focus = NULL;
}
static void
@@ -651,6 +886,9 @@ display_add_seat(struct wayland_compositor *c, uint32_t id)
wl_seat_add_listener(input->parent.seat, &seat_listener, input);
wl_seat_set_user_data(input->parent.seat, input);
+
+ input->parent.cursor.surface =
+ wl_compositor_create_surface(c->parent.compositor);
}
static void
@@ -723,6 +961,37 @@ wayland_destroy(struct weston_compositor *ec)
free(ec);
}
+static const char *left_ptrs[] = {
+ "left_ptr",
+ "default",
+ "top_left_arrow",
+ "left-arrow"
+};
+
+static void
+create_cursor(struct wayland_compositor *c, struct weston_config *config)
+{
+ struct weston_config_section *s;
+ int size;
+ char *theme = NULL;
+ unsigned int i;
+
+ s = weston_config_get_section(config, "shell", NULL, NULL);
+ weston_config_section_get_string(s, "cursor-theme", &theme, NULL);
+ weston_config_section_get_int(s, "cursor-size", &size, 32);
+
+ c->cursor_theme = wl_cursor_theme_load(theme, size, c->parent.shm);
+
+ c->cursor = NULL;
+ for (i = 0; !c->cursor && i < ARRAY_LENGTH(left_ptrs); ++i)
+ c->cursor = wl_cursor_theme_get_cursor(c->cursor_theme,
+ left_ptrs[i]);
+ if (!c->cursor) {
+ fprintf(stderr, "could not load left cursor\n");
+ return;
+ }
+}
+
static struct weston_compositor *
wayland_compositor_create(struct wl_display *display,
int width, int height, const char *display_name,
@@ -751,7 +1020,9 @@ wayland_compositor_create(struct wl_display *display,
wl_list_init(&c->inputs);
c->parent.registry = wl_display_get_registry(c->parent.wl_display);
wl_registry_add_listener(c->parent.registry, ®istry_listener, c);
- wl_display_dispatch(c->parent.wl_display);
+ wl_display_roundtrip(c->parent.wl_display);
+
+ create_cursor(c, config);
c->base.wl_display = display;
@@ -768,19 +1039,10 @@ wayland_compositor_create(struct wl_display *display,
c->base.destroy = wayland_destroy;
c->base.restore = wayland_restore;
- c->border.top = 30;
- c->border.bottom = 24;
- c->border.left = 25;
- c->border.right = 26;
-
/* requires border fields */
if (wayland_compositor_create_output(c, width, height) < 0)
goto err_gl;
- /* requires gl_renderer->output_state_create called
- * by wayland_compositor_create_output */
- create_border(c);
-
loop = wl_display_get_event_loop(c->base.wl_display);
fd = wl_display_get_fd(c->parent.wl_display);
--
1.8.3.1
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