int xkb_base;
int mod_pressed = 0;
-/* Because the statusline is the same on all outputs, we have
- * global buffer to render it on */
-surface_t statusline_surface;
-uint32_t statusline_width;
-
/* Event watchers, to interact with the user */
ev_prepare *xcb_prep;
ev_check *xcb_chk;
* Draws a separator for the given block if necessary.
*
*/
-static void draw_separator(uint32_t x, struct status_block *block) {
+static void draw_separator(i3_output *output, uint32_t x, struct status_block *block) {
uint32_t sep_offset = get_sep_offset(block);
if (TAILQ_NEXT(block, blocks) == NULL || sep_offset == 0)
return;
uint32_t center_x = x - sep_offset;
if (config.separator_symbol == NULL) {
/* Draw a classic one pixel, vertical separator. */
- draw_util_rectangle(&statusline_surface, colors.sep_fg,
+ draw_util_rectangle(&output->statusline_buffer, colors.sep_fg,
center_x,
logical_px(sep_voff_px),
logical_px(1),
} else {
/* Draw a custom separator. */
uint32_t separator_x = MAX(x - block->sep_block_width, center_x - separator_symbol_width / 2);
- draw_util_text(config.separator_symbol, &statusline_surface, colors.sep_fg, colors.bar_bg,
+ draw_util_text(config.separator_symbol, &output->statusline_buffer, colors.sep_fg, colors.bar_bg,
separator_x, logical_px(ws_voff_px), x - separator_x);
}
}
-/*
- * Redraws the statusline to the buffer
- *
- */
-void refresh_statusline(bool use_short_text) {
+uint32_t predict_statusline_length(bool use_short_text) {
+ uint32_t width = 0;
struct status_block *block;
- uint32_t old_statusline_width = statusline_width;
- statusline_width = 0;
-
- /* Predict the text width of all blocks (in pixels). */
TAILQ_FOREACH(block, &statusline_head, blocks) {
- /* Try to use the shorter text if necessary and possible. */
+ i3String *text = block->full_text;
+ struct status_block_render_desc *render = &block->full_render;
if (use_short_text && block->short_text != NULL) {
- I3STRING_FREE(block->full_text);
- block->full_text = i3string_copy(block->short_text);
+ text = block->short_text;
+ render = &block->short_render;
}
- if (i3string_get_num_bytes(block->full_text) == 0)
+ if (i3string_get_num_bytes(text) == 0)
continue;
- block->width = predict_text_width(block->full_text);
- /* Add padding for the border if we have to draw it. */
+ render->width = predict_text_width(text);
if (block->border)
- block->width += logical_px(2);
+ render->width += logical_px(2);
/* Compute offset and append for text aligment in min_width. */
- if (block->min_width <= block->width) {
- block->x_offset = 0;
- block->x_append = 0;
+ if (block->min_width <= render->width) {
+ render->x_offset = 0;
+ render->x_append = 0;
} else {
- uint32_t padding_width = block->min_width - block->width;
+ uint32_t padding_width = block->min_width - render->width;
switch (block->align) {
case ALIGN_LEFT:
- block->x_append = padding_width;
+ render->x_append = padding_width;
break;
case ALIGN_RIGHT:
- block->x_offset = padding_width;
+ render->x_offset = padding_width;
break;
case ALIGN_CENTER:
- block->x_offset = padding_width / 2;
- block->x_append = padding_width / 2 + padding_width % 2;
+ render->x_offset = padding_width / 2;
+ render->x_append = padding_width / 2 + padding_width % 2;
break;
}
}
+ width += render->width + render->x_offset + render->x_append;
+
/* If this is not the last block, add some pixels for a separator. */
if (TAILQ_NEXT(block, blocks) != NULL)
- statusline_width += block->sep_block_width;
-
- statusline_width += block->width + block->x_offset + block->x_append;
+ width += block->sep_block_width;
}
- /* 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 > root_screen->width_in_pixels &&
- statusline_width > old_statusline_width)
- realloc_sl_buffer();
+ return width;
+}
+
+/*
+ * Redraws the statusline to the output's statusline_buffer
+ */
+void draw_statusline(i3_output *output, uint32_t clip_left, bool use_short_text) {
+ struct status_block *block;
+
+ draw_util_clear_surface(&output->statusline_buffer, colors.bar_bg);
- /* Clear the statusline pixmap. */
- draw_util_clear_surface(&statusline_surface, colors.bar_bg);
+ /* Use unsigned integer wraparound to clip off the left side.
+ * For example, if clip_left is 75, then x will start at the very large
+ * number INT_MAX-75, which is way outside the surface dimensions. Drawing
+ * to that x position is a no-op which XCB and Cairo safely ignore. Once x moves
+ * up by 75 and goes past INT_MAX, it will wrap around again to 0, and we start
+ * actually rendering content to the surface. */
+ uint32_t x = 0 - clip_left;
- /* Draw the text of each block. */
- uint32_t x = 0;
+ /* Draw the text of each block */
TAILQ_FOREACH(block, &statusline_head, blocks) {
- if (i3string_get_num_bytes(block->full_text) == 0)
+ i3String *text = block->full_text;
+ struct status_block_render_desc *render = &block->full_render;
+ if (use_short_text && block->short_text != NULL) {
+ text = block->short_text;
+ render = &block->short_render;
+ }
+
+ if (i3string_get_num_bytes(text) == 0)
continue;
- color_t fg_color = (block->color ? draw_util_hex_to_color(block->color) : colors.bar_fg);
+ color_t fg_color;
+ if (block->urgent) {
+ fg_color = colors.urgent_ws_fg;
+ } else if (block->color) {
+ fg_color = draw_util_hex_to_color(block->color);
+ } else {
+ fg_color = colors.bar_fg;
+ }
+
+ color_t bg_color = colors.bar_bg;
+
int border_width = (block->border) ? logical_px(1) : 0;
+ int full_render_width = render->width + render->x_offset + render->x_append;
if (block->border || block->background || block->urgent) {
- if (block->urgent)
- fg_color = colors.urgent_ws_fg;
-
/* Let's determine the colors first. */
color_t border_color = colors.bar_bg;
- color_t bg_color = colors.bar_bg;
if (block->urgent) {
border_color = colors.urgent_ws_border;
bg_color = colors.urgent_ws_bg;
} else {
if (block->border)
border_color = draw_util_hex_to_color(block->border);
-
if (block->background)
bg_color = draw_util_hex_to_color(block->background);
}
/* Draw the border. */
- draw_util_rectangle(&statusline_surface, border_color,
+ draw_util_rectangle(&output->statusline_buffer, border_color,
x, logical_px(1),
- block->width + block->x_offset + block->x_append,
+ full_render_width,
bar_height - logical_px(2));
/* Draw the background. */
- draw_util_rectangle(&statusline_surface, bg_color,
+ draw_util_rectangle(&output->statusline_buffer, bg_color,
x + border_width,
logical_px(1) + border_width,
- block->width + block->x_offset + block->x_append - 2 * border_width,
+ full_render_width - 2 * border_width,
bar_height - 2 * border_width - logical_px(2));
}
- draw_util_text(block->full_text, &statusline_surface, fg_color, colors.bar_bg,
- x + block->x_offset + border_width, logical_px(ws_voff_px), block->width - 2 * border_width);
- x += block->width + block->sep_block_width + block->x_offset + block->x_append;
+ draw_util_text(text, &output->statusline_buffer, fg_color, bg_color,
+ x + render->x_offset + border_width, logical_px(ws_voff_px),
+ render->width - 2 * border_width);
+ x += full_render_width;
/* If this is not the last block, draw a separator. */
- draw_separator(x, block);
+ if (TAILQ_NEXT(block, blocks) != NULL) {
+ x += block->sep_block_width;
+ draw_separator(output, x, block);
+ }
}
}
}
int32_t x = event->event_x >= 0 ? event->event_x : 0;
- int32_t original_x = x;
DLOG("Got button %d\n", event->detail);
* check if a status block has been clicked. */
int tray_width = get_tray_width(walk->trayclients);
int block_x = 0, last_block_x;
- int offset = walk->rect.w - statusline_width - tray_width - logical_px(sb_hoff_px);
+ int offset = walk->rect.w - walk->statusline_width - tray_width - logical_px(sb_hoff_px);
+ int32_t statusline_x = x - offset;
- x = original_x - offset;
- if (x >= 0 && (size_t)x < statusline_width) {
+ if (statusline_x >= 0 && statusline_x < walk->statusline_width) {
struct status_block *block;
int sep_offset_remainder = 0;
TAILQ_FOREACH(block, &statusline_head, blocks) {
- if (i3string_get_num_bytes(block->full_text) == 0)
+ i3String *text = block->full_text;
+ struct status_block_render_desc *render = &block->full_render;
+ if (walk->statusline_short_text && block->short_text != NULL) {
+ text = block->short_text;
+ render = &block->short_render;
+ }
+
+ if (i3string_get_num_bytes(text) == 0)
continue;
last_block_x = block_x;
- block_x += block->width + block->x_offset + block->x_append + get_sep_offset(block) + sep_offset_remainder;
+ block_x += render->width + render->x_offset + render->x_append + get_sep_offset(block) + sep_offset_remainder;
- if (x <= block_x && x >= last_block_x) {
+ if (statusline_x <= block_x && statusline_x >= last_block_x) {
send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
return;
}
sep_offset_remainder = block->sep_block_width - get_sep_offset(block);
}
}
- x = original_x;
}
/* If a custom command was specified for this mouse button, it overrides
colormap = root_screen->default_colormap;
visual_type = get_visualtype(root_screen);
- /* 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 */
- xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
- xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
- depth,
- statusline_id,
- xcb_root,
- root_screen->width_in_pixels,
- root_screen->height_in_pixels);
- draw_util_surface_init(&statusline_surface, statusline_id, root_screen->width_in_pixels, root_screen->height_in_pixels);
-
/* The various watchers to communicate with xcb */
xcb_io = smalloc(sizeof(ev_io));
xcb_prep = smalloc(sizeof(ev_prepare));
char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen);
- if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline buffer"))
- exit(EXIT_FAILURE);
-
return path;
}
output->bar.id = XCB_NONE;
}
-/*
- * Reallocate the statusline buffer
- *
- */
-void realloc_sl_buffer(void) {
- DLOG("Re-allocating statusline buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n",
- statusline_width, root_screen->width_in_pixels);
- xcb_free_pixmap(xcb_connection, statusline_surface.id);
- draw_util_surface_free(&statusline_surface);
-
- xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
- xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
- depth,
- statusline_id,
- xcb_root,
- MAX(root_screen->width_in_pixels, statusline_width),
- bar_height);
- draw_util_surface_init(&statusline_surface, statusline_id, root_screen->width_in_pixels, root_screen->height_in_pixels);
-
- if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline buffer"))
- exit(EXIT_FAILURE);
-}
-
/* Strut partial tells i3 where to reserve space for i3bar. This is determined
* by the `position` bar config directive. */
xcb_void_cookie_t config_strut_partial(i3_output *output) {
xcb_window_t bar_id = xcb_generate_id(xcb_connection);
xcb_pixmap_t buffer_id = xcb_generate_id(xcb_connection);
+ xcb_pixmap_t statusline_buffer_id = xcb_generate_id(xcb_connection);
mask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
values[0] = colors.bar_bg.colorpixel;
walk->rect.w,
bar_height);
+ /* The double-buffer we use to render the statusline before copying to buffer */
+ xcb_void_cookie_t slpm_cookie = xcb_create_pixmap_checked(xcb_connection,
+ depth,
+ statusline_buffer_id,
+ bar_id,
+ walk->rect.w,
+ bar_height);
+
/* Set the WM_CLASS and WM_NAME (we don't need UTF-8) atoms */
xcb_void_cookie_t class_cookie;
class_cookie = xcb_change_property(xcb_connection,
draw_util_surface_init(&walk->bar, bar_id, walk->rect.w, bar_height);
draw_util_surface_init(&walk->buffer, buffer_id, walk->rect.w, bar_height);
+ draw_util_surface_init(&walk->statusline_buffer, statusline_buffer_id, walk->rect.w, bar_height);
xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
if (xcb_request_failed(win_cookie, "Could not create window") ||
xcb_request_failed(pm_cookie, "Could not create pixmap") ||
+ xcb_request_failed(slpm_cookie, "Could not create statusline pixmap") ||
xcb_request_failed(dock_cookie, "Could not set dock mode") ||
xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
DLOG("Destroying buffer for output %s\n", walk->name);
xcb_free_pixmap(xcb_connection, walk->buffer.id);
+ DLOG("Destroying statusline buffer for output %s\n", walk->name);
+ xcb_free_pixmap(xcb_connection, walk->statusline_buffer.id);
+
DLOG("Reconfiguring window for output %s to %d,%d\n", walk->name, values[0], values[1]);
xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
walk->bar.id,
walk->rect.w,
bar_height);
+ DLOG("Recreating statusline buffer for output %s\n", walk->name);
+ xcb_void_cookie_t slpm_cookie = xcb_create_pixmap_checked(xcb_connection,
+ depth,
+ walk->statusline_buffer.id,
+ walk->bar.id,
+ walk->rect.w,
+ bar_height);
+
draw_util_surface_free(&(walk->bar));
draw_util_surface_free(&(walk->buffer));
+ draw_util_surface_free(&(walk->statusline_buffer));
draw_util_surface_init(&(walk->bar), walk->bar.id, walk->rect.w, bar_height);
draw_util_surface_init(&(walk->buffer), walk->buffer.id, walk->rect.w, bar_height);
+ draw_util_surface_init(&(walk->statusline_buffer), walk->statusline_buffer.id, walk->rect.w, bar_height);
xcb_void_cookie_t map_cookie, umap_cookie;
if (redraw_bars) {
if (xcb_request_failed(cfg_cookie, "Could not reconfigure window") ||
xcb_request_failed(chg_cookie, "Could not change window") ||
xcb_request_failed(pm_cookie, "Could not create pixmap") ||
+ xcb_request_failed(slpm_cookie, "Could not create statusline pixmap") ||
xcb_request_failed(strut_cookie, "Could not set strut") ||
(redraw_bars && (xcb_request_failed(umap_cookie, "Could not unmap window") ||
(config.hide_on_modifier == M_DOCK && xcb_request_failed(map_cookie, "Could not map window"))))) {
*/
void draw_bars(bool unhide) {
DLOG("Drawing bars...\n");
- int workspace_width = 0;
- /* Is the currently-rendered statusline using short_text items? */
- bool rendered_statusline_is_short = false;
- refresh_statusline(false);
+ uint32_t full_statusline_width = predict_statusline_length(false);
+ uint32_t short_statusline_width = predict_statusline_length(true);
i3_output *outputs_walk;
SLIST_FOREACH(outputs_walk, outputs, slist) {
+ int workspace_width = 0;
+
if (!outputs_walk->active) {
DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
continue;
int tray_width = get_tray_width(outputs_walk->trayclients);
uint32_t max_statusline_width = outputs_walk->rect.w - workspace_width - tray_width - 2 * logical_px(sb_hoff_px);
+ uint32_t clip_left = 0;
+ uint32_t statusline_width = full_statusline_width;
+ bool use_short_text = false;
- /* If the statusline is too long, try to use short texts. */
if (statusline_width > max_statusline_width) {
- /* If the currently rendered statusline is long, render a short status line */
- refresh_statusline(true);
- rendered_statusline_is_short = true;
- } else if (rendered_statusline_is_short) {
- /* If the currently rendered statusline is short, render a long status line */
- refresh_statusline(false);
- rendered_statusline_is_short = false;
+ statusline_width = short_statusline_width;
+ use_short_text = true;
+ if (statusline_width > max_statusline_width) {
+ clip_left = statusline_width - max_statusline_width;
+ }
}
- /* Luckily we already prepared a seperate pixmap containing the rendered
- * statusline, we just have to copy the relevant parts to the relevant
- * position */
- int visible_statusline_width = MIN(statusline_width, max_statusline_width);
- int x_src = (int16_t)(statusline_width - visible_statusline_width);
- int x_dest = (int16_t)(outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width);
+ int16_t visible_statusline_width = MIN(statusline_width, max_statusline_width);
+ int x_dest = outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width;
- draw_util_copy_surface(&statusline_surface, &(outputs_walk->buffer), x_src, 0,
- x_dest, 0, (int16_t)visible_statusline_width, (int16_t)bar_height);
- }
+ draw_statusline(outputs_walk, clip_left, use_short_text);
+ draw_util_copy_surface(&outputs_walk->statusline_buffer, &outputs_walk->buffer, 0, 0,
+ x_dest, 0, visible_statusline_width, (int16_t)bar_height);
- workspace_width = 0;
+ outputs_walk->statusline_width = statusline_width;
+ outputs_walk->statusline_short_text = use_short_text;
+ }
}
/* Assure the bar is hidden/unhidden according to the specified hidden_state and mode */