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i3bar: Bugfix: Correctly allocate pixmap for statuslines which are longer than your screen 

In case of a 1024 px screen and a 1128 px status line, the status line was not
only cut off (it has to be, obviously), but the right part showed some black
pixels.
This commit is contained in:
Michael Stapelberg 2011-08-24 18:48:29 +02:00
parent 6bcc670257
commit 7af39906da
1 changed files with 9 additions and 1 deletions
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10
i3bar/src/xcb.c
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@ -212,7 +212,13 @@ void refresh_statusline() {
}
xcb_char2b_t *text = (xcb_char2b_t*) convert_utf8_to_ucs2(statusline, &glyph_count);
uint32_t old_statusline_width = statusline_width;
statusline_width = predict_text_extents(text, glyph_count);
/* If the statusline is bigger than our screen we need to make sure that
* the pixmap provides enough space, so re-allocate if the width grew */
if (statusline_width > xcb_screen->width_in_pixels &&
statusline_width > old_statusline_width)
realloc_sl_buffer();
xcb_rectangle_t rect = { 0, 0, xcb_screen->width_in_pixels, font_height };
xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect);
@ -700,13 +706,15 @@ void destroy_window(i3_output *output) {
*
*/
void realloc_sl_buffer() {
DLOG("Re-allocating statusline-buffer, statusline_width = %d, xcb_screen->width_in_pixels = %d\n",
statusline_width, xcb_screen->width_in_pixels);
xcb_free_pixmap(xcb_connection, statusline_pm);
statusline_pm = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
xcb_screen->root_depth,
statusline_pm,
xcb_root,
xcb_screen->width_in_pixels,
MAX(xcb_screen->width_in_pixels, statusline_width),
xcb_screen->height_in_pixels);
uint32_t mask = XCB_GC_FOREGROUND;