void ZLEwlViewWidget::invertRegion(int x0, int y0, int x1, int y1, bool flush)
{
unsigned int pixel;
for(int i = x0; i <= x1; i++) {
for(int j = y0; j <= y1; j++) {
pixel = 0xffffff & xcb_image_get_pixel(im, i, j);
for(int idx = 0; idx < 4; idx++) {
if(pixel == (0xffffff & pal[idx])) {
xcb_image_put_pixel(im, i, j, pal[3 - idx]);
break;
}
}
}
}
uint8_t send_event;
if(flush)
send_event = 1;
else
send_event = 0;
xcb_image_shm_put (connection, window, gc,
im, shminfo,
x0, y0, x0, y0, x1 - x0, y1 - y0, send_event);
if(flush)
xcb_flush(connection);
}
void
x_client_icon::update_wm_hints_icon(void)
{
xcb_free_pixmap(m_c(), m_wm_hints_icon);
m_wm_hints_icon = XCB_NONE;
xcb_generic_error_t * error;
xcb_get_property_cookie_t c =
xcb_icccm_get_wm_hints(m_c(), m_x_client.window());
xcb_get_property_reply_t * r = xcb_get_property_reply(m_c(), c, &error);
if (error) {
std::free(error);
} else {
xcb_icccm_wm_hints_t wm_hints;
xcb_icccm_get_wm_hints_from_reply(&wm_hints, r);
if (wm_hints.flags & XCB_ICCCM_WM_HINT_ICON_PIXMAP) {
unsigned int width, height;
{
Window root;
int x, y;
unsigned int border_width, depth;
XGetGeometry(m_c.dpy(), wm_hints.icon_pixmap, &root,
&x, &y, &width, &height, &border_width, &depth);
m_icon_geometry.first = width;
m_icon_geometry.second = height;
}
xcb_image_t * icon_rgb = xcb_image_get(m_c(), wm_hints.icon_pixmap,
0, 0, width, height, 0xffffffff, XCB_IMAGE_FORMAT_XY_PIXMAP);
xcb_image_t * icon_mask;
if (wm_hints.flags & XCB_ICCCM_WM_HINT_ICON_MASK) {
icon_mask = xcb_image_get(m_c(), wm_hints.icon_mask,
0, 0, width, height, 0xffffffff, XCB_IMAGE_FORMAT_XY_PIXMAP);
} else {
icon_mask = xcb_image_create_native(
m_c(), width, height, XCB_IMAGE_FORMAT_Z_PIXMAP, 32, NULL, 0, NULL);
std::memset(icon_mask->data, 0xff,
width * height * (icon_mask->bpp / icon_mask->stride));
}
xcb_image_t * icon_rgba = xcb_image_create_native(
m_c(), width, height, XCB_IMAGE_FORMAT_Z_PIXMAP, 32, NULL, 0, NULL);
for (std::size_t x = 0; x < width; ++x) {
for (std::size_t y = 0; y < height; ++y) {
uint32_t rgba = 0;
if (xcb_image_get_pixel(icon_mask, x, y)) {
uint32_t rgb = xcb_image_get_pixel(icon_rgb, x, y);
uint8_t * s = (uint8_t *)&rgb;
uint8_t * d = (uint8_t *)&rgba;
d[0] = s[0];
d[1] = s[1];
d[2] = s[2];
d[3] = 0xff;
}
xcb_image_put_pixel(icon_rgba, x, y, rgba);
}
}
m_wm_hints_icon = xcb_generate_id(m_c());
xcb_create_pixmap(
m_c(), 32, m_wm_hints_icon, m_c.root_window(), width, height);
xcb_gcontext_t gc = xcb_generate_id(m_c());
xcb_create_gc(m_c(), gc, m_wm_hints_icon, 0, NULL);
xcb_image_put(m_c(), m_wm_hints_icon, gc, icon_rgba, 0, 0, 0);
xcb_image_destroy(icon_rgb);
xcb_image_destroy(icon_mask);
xcb_image_destroy(icon_rgba);
xcb_free_gc(m_c(), gc);
}
}
if (r) std::free(r);
}