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When drawing text, mark the surface as dirty.

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Since libi3 currently creates its own cairo surface for drawing text, we
need to mark our own surface as dirty to force cairo to invalidate its
cache. Otherwise, this will result in graphical glitches such as the text
not showing up at all.

This wrapper can be removed in the future when libi3 is adapted to reuse
the same cairo surface as we do for all other drawing operations.
This commit is contained in:
Ingo Bürk
2015-10-08 12:16:25 +02:00
parent a5d4c7c9ab
commit ff0aeddede
3 changed files with 50 additions and 24 deletions
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53
i3bar/src/xcb.c
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@ -179,13 +179,13 @@ static void draw_separator(uint32_t x, struct status_block *block) {
cairo_set_source_color(&statusline_surface, colors.sep_fg);
cairo_rectangle(statusline_surface.cr, center_x, logical_px(sep_voff_px), logical_px(1), bar_height - 2 * logical_px(sep_voff_px));
cairo_fill(statusline_surface.cr);
cairo_surface_flush(statusline_surface.surface);
cairo_restore(statusline_surface.cr);
} else {
/* Draw a custom separator. */
uint32_t separator_x = MAX(x - block->sep_block_width, center_x - separator_symbol_width / 2);
set_font_colors(statusline_surface.gc, colors.sep_fg.colorpixel, colors.bar_bg.colorpixel);
draw_text(config.separator_symbol, statusline_surface.id, statusline_surface.gc, visual_type,
separator_x, logical_px(ws_voff_px), x - separator_x);
cairo_draw_text(config.separator_symbol, &statusline_surface, colors.sep_fg, colors.bar_bg,
separator_x, logical_px(ws_voff_px), x - separator_x);
}
}
@ -250,6 +250,7 @@ void refresh_statusline(bool use_short_text) {
cairo_set_source_color(&statusline_surface, colors.bar_bg);
cairo_set_operator(statusline_surface.cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(statusline_surface.cr);
cairo_surface_flush(statusline_surface.surface);
cairo_restore(statusline_surface.cr);
/* Draw the text of each block. */
@ -267,13 +268,13 @@ void refresh_statusline(bool use_short_text) {
cairo_set_source_color(&statusline_surface, colors.urgent_ws_bg);
cairo_rectangle(statusline_surface.cr, x - logical_px(2), logical_px(1), block->width + logical_px(4), bar_height - logical_px(2));
cairo_fill(statusline_surface.cr);
cairo_surface_flush(statusline_surface.surface);
} else {
fg_color = (block->color ? cairo_hex_to_color(block->color) : colors.bar_fg);
}
set_font_colors(statusline_surface.gc, fg_color.colorpixel, colors.bar_bg.colorpixel);
draw_text(block->full_text, statusline_surface.id, statusline_surface.gc, visual_type,
x + block->x_offset, logical_px(ws_voff_px), block->width);
cairo_draw_text(block->full_text, &statusline_surface, fg_color, colors.bar_bg,
x + block->x_offset, logical_px(ws_voff_px), block->width);
x += block->width + block->sep_block_width + block->x_offset + block->x_append;
/* If this is not the last block, draw a separator. */
@ -1815,6 +1816,7 @@ void draw_bars(bool unhide) {
cairo_set_source_color(&(outputs_walk->buffer), colors.bar_bg);
cairo_set_operator(outputs_walk->buffer.cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
if (!config.disable_ws) {
@ -1844,30 +1846,32 @@ void draw_bars(bool unhide) {
unhide = true;
}
/* Draw the border of the button. */
cairo_save(outputs_walk->buffer.cr);
cairo_set_operator(outputs_walk->buffer.cr, CAIRO_OPERATOR_SOURCE);
/* Draw the border of the button. */
cairo_set_source_color(&(outputs_walk->buffer), border_color);
cairo_rectangle(outputs_walk->buffer.cr, workspace_width, logical_px(1),
ws_walk->name_width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
cairo_fill(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
/* Draw the inside of the button. */
cairo_save(outputs_walk->buffer.cr);
cairo_set_operator(outputs_walk->buffer.cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_color(&(outputs_walk->buffer), bg_color);
cairo_rectangle(outputs_walk->buffer.cr, workspace_width + logical_px(1), 2 * logical_px(1),
ws_walk->name_width + 2 * logical_px(ws_hoff_px),
font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
cairo_fill(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
set_font_colors(outputs_walk->buffer.gc, fg_color.colorpixel, bg_color.colorpixel);
draw_text(ws_walk->name, outputs_walk->buffer.id, outputs_walk->buffer.gc, visual_type,
workspace_width + logical_px(ws_hoff_px) + logical_px(1),
logical_px(ws_voff_px),
ws_walk->name_width);
cairo_draw_text(ws_walk->name, &(outputs_walk->buffer), fg_color, bg_color,
workspace_width + logical_px(ws_hoff_px) + logical_px(1),
logical_px(ws_voff_px),
ws_walk->name_width);
workspace_width += 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + ws_walk->name_width;
if (TAILQ_NEXT(ws_walk, tailq) != NULL)
@ -1883,29 +1887,28 @@ void draw_bars(bool unhide) {
cairo_save(outputs_walk->buffer.cr);
cairo_set_operator(outputs_walk->buffer.cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_color(&(outputs_walk->buffer), colors.binding_mode_border);
cairo_rectangle(outputs_walk->buffer.cr, workspace_width, logical_px(1),
binding.width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
cairo_fill(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
cairo_save(outputs_walk->buffer.cr);
cairo_set_operator(outputs_walk->buffer.cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_color(&(outputs_walk->buffer), bg_color);
cairo_rectangle(outputs_walk->buffer.cr, workspace_width + logical_px(1), 2 * logical_px(1),
binding.width + 2 * logical_px(ws_hoff_px),
font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
cairo_fill(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
set_font_colors(outputs_walk->buffer.gc, fg_color.colorpixel, bg_color.colorpixel);
draw_text(binding.name,
outputs_walk->buffer.id,
outputs_walk->buffer.gc,
visual_type,
workspace_width + logical_px(ws_hoff_px) + logical_px(1),
logical_px(ws_voff_px),
binding.width);
cairo_draw_text(binding.name, &(outputs_walk->buffer), fg_color, bg_color,
workspace_width + logical_px(ws_hoff_px) + logical_px(1),
logical_px(ws_voff_px),
binding.width);
unhide = true;
workspace_width += 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + binding.width;
@ -1940,6 +1943,7 @@ void draw_bars(bool unhide) {
cairo_set_source_surface(outputs_walk->buffer.cr, statusline_surface.surface, x_dest - x_src, 0);
cairo_rectangle(outputs_walk->buffer.cr, x_dest, 0, (int16_t)visible_statusline_width, (int16_t)bar_height);
cairo_fill(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
}
@ -1974,6 +1978,7 @@ void redraw_bars(void) {
cairo_set_source_surface(outputs_walk->bar.cr, outputs_walk->buffer.surface, 0, 0);
cairo_rectangle(outputs_walk->bar.cr, 0, 0, outputs_walk->rect.w, outputs_walk->rect.h);
cairo_fill(outputs_walk->bar.cr);
cairo_surface_flush(outputs_walk->bar.surface);
cairo_restore(outputs_walk->bar.cr);
xcb_flush(xcb_connection);