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XClearArea can't be used on pixmaps (thx sECuRE)

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This commit is contained in:
Axel Wagner 2011-03-19 23:04:09 +01:00
parent a847454a42
commit 1b2002e1c8
1 changed files with 43 additions and 13 deletions
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56
i3bar/src/xcb.c
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@ -56,6 +56,7 @@ int mod_pressed = 0;
/* Because the statusline is the same on all outputs, we have
* global buffer to render it on */
xcb_gcontext_t statusline_ctx;
xcb_gcontext_t statusline_clear;
xcb_pixmap_t statusline_pm;
uint32_t statusline_width;
@ -83,7 +84,7 @@ struct xcb_colors_t colors;
int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
xcb_generic_error_t *err;
if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
ELOG("%s. X Error Code: %d\n", err_msg, err->error_code);
fprintf(stderr, "[%s:%d] ERROR: %s. X Error Code: %d\n", __FILE__, line, err_msg, err->error_code);
return err->error_code;
}
return 0;
@ -187,7 +188,8 @@ void refresh_statusline() {
xcb_char2b_t *text = (xcb_char2b_t*) convert_utf8_to_ucs2(statusline, &glyph_count);
statusline_width = predict_text_extents(text, glyph_count);
xcb_clear_area(xcb_connection, 0, statusline_pm, 0, 0, xcb_screen->width_in_pixels, font_height);
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);
draw_text(statusline_pm, statusline_ctx, 0, 0, text, glyph_count);
FREE(text);
@ -512,12 +514,19 @@ char *init_xcb(char *fontname) {
/* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
* this way, we can choose to crop it */
statusline_ctx = xcb_generate_id(xcb_connection);
uint32_t mask = XCB_GC_FOREGROUND |
XCB_GC_BACKGROUND |
XCB_GC_FONT;
uint32_t vals[3] = { colors.bar_fg, colors.bar_bg, xcb_font };
uint32_t mask = XCB_GC_FOREGROUND;
uint32_t vals[3] = { colors.bar_bg, colors.bar_bg, xcb_font };
statusline_clear = xcb_generate_id(xcb_connection);
xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_clear,
xcb_root,
mask,
vals);
mask |= XCB_GC_BACKGROUND | XCB_GC_FONT;
vals[0] = colors.bar_fg;
statusline_ctx = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_ctx,
xcb_root,
@ -588,11 +597,9 @@ char *init_xcb(char *fontname) {
DLOG("Calculated Font-height: %d\n", font_height);
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer")) {
exit(EXIT_FAILURE);
}
if (xcb_request_failed(sl_ctx_cookie, "Could not create context for statusline")) {
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
exit(EXIT_FAILURE);
}
@ -673,7 +680,30 @@ void realloc_sl_buffer() {
xcb_root,
xcb_screen->width_in_pixels,
xcb_screen->height_in_pixels);
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer")) {
uint32_t mask = XCB_GC_FOREGROUND;
uint32_t vals[3] = { colors.bar_bg, colors.bar_bg, xcb_font };
xcb_free_gc(xcb_connection, statusline_clear);
statusline_clear = xcb_generate_id(xcb_connection);
xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_clear,
xcb_root,
mask,
vals);
mask |= XCB_GC_BACKGROUND | XCB_GC_FONT;
vals[0] = colors.bar_fg;
statusline_ctx = xcb_generate_id(xcb_connection);
xcb_free_gc(xcb_connection, statusline_ctx);
xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_ctx,
xcb_root,
mask,
vals);
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
exit(EXIT_FAILURE);
}