Merge pull request #1747 from Airblader/feature-1723
Implement "title_format"
This commit is contained in:
commit
8df7e4ecb9
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@ -564,6 +564,8 @@ hide_edge_borders vertical
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=== Arbitrary commands for specific windows (for_window)
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[[for_window]]
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With the +for_window+ command, you can let i3 execute any command when it
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encounters a specific window. This can be used to set windows to floating or to
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change their border style, for example.
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@ -2083,6 +2085,37 @@ Alternatively, if you do not want to mess with +i3-input+, you could create
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seperate bindings for a specific set of labels and then only use those labels.
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///////////////////////////////////////////////////////////////////
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=== Window title format
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By default, i3 will simply print the X11 window title. Using +title_format+,
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this can be customized by setting the format to the desired output. This
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directive supports
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https://developer.gnome.org/pango/stable/PangoMarkupFormat.html[Pango markup]
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and the following placeholders which will be replaced:
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+%title+::
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The X11 window title (_NET_WM_NAME or WM_NAME as fallback).
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Using the <<for_window>> directive, you can set the title format for any window
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based on <<command_criteria>>.
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*Syntax*:
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---------------------
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title_format <format>
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---------------------
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*Examples*:
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-------------------------------------------------------------------------------------
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# give the focused window a prefix
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bindsym $mod+p title_format "Important | %title"
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# print all window titles bold
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for_window [class=".*"] title_format "<b>%title</b>"
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# print window titles of firefox windows red
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for_window [class="(?i)firefox"] title_format "<span foreground='red'>%title</span>"
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-------------------------------------------------------------------------------------
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=== Changing border style
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To change the border of the current client, you can use +border normal+ to use the normal
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@ -276,6 +276,12 @@ void cmd_move_scratchpad(I3_CMD);
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*/
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void cmd_scratchpad_show(I3_CMD);
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/**
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* Implementation of 'title_format <format>'
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*
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*/
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void cmd_title_format(I3_CMD, char *format);
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/**
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* Implementation of 'rename workspace <name> to <name>'
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*
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@ -363,6 +363,8 @@ struct Window {
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/** The name of the window. */
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i3String *name;
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/** The format with which the window's name should be displayed. */
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char *title_format;
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/** The WM_WINDOW_ROLE of this window (for example, the pidgin buddy window
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* sets "buddy list"). Useful to match specific windows in assignments or
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@ -243,6 +243,11 @@ bool i3string_is_markup(i3String *str);
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*/
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void i3string_set_markup(i3String *str, bool is_markup);
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/**
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* Escape pango markup characters in the given string.
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*/
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i3String *i3string_escape_markup(i3String *str);
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/**
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* Returns the number of glyphs in an i3String.
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*
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@ -381,6 +386,12 @@ xcb_char2b_t *convert_utf8_to_ucs2(char *input, size_t *real_strlen);
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*/
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void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background);
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/**
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* Returns true if and only if the current font is a pango font.
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*
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*/
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bool font_is_pango(void);
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/**
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* Draws text onto the specified X drawable (normally a pixmap) at the
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* specified coordinates (from the top left corner of the leftmost, uppermost
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12
libi3/font.c
12
libi3/font.c
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@ -340,6 +340,18 @@ void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background
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}
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}
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/*
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* Returns true if and only if the current font is a pango font.
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*
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*/
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bool font_is_pango(void) {
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#if PANGO_SUPPORT
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return savedFont->type == FONT_TYPE_PANGO;
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#else
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return false;
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#endif
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}
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static int predict_text_width_xcb(const xcb_char2b_t *text, size_t text_len);
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static void draw_text_xcb(const xcb_char2b_t *text, size_t text_len, xcb_drawable_t drawable,
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@ -13,6 +13,10 @@
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#include <stdlib.h>
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#include <string.h>
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#if PANGO_SUPPORT
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#include <glib.h>
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#endif
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#include "libi3.h"
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struct _i3String {
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@ -185,6 +189,18 @@ void i3string_set_markup(i3String *str, bool is_markup) {
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str->is_markup = is_markup;
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}
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/*
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* Escape pango markup characters in the given string.
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*/
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i3String *i3string_escape_markup(i3String *str) {
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#if PANGO_SUPPORT
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const char *text = i3string_as_utf8(str);
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return i3string_from_utf8(g_markup_escape_text(text, -1));
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#else
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return str;
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#endif
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}
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/*
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* Returns the number of glyphs in an i3String.
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*
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@ -37,6 +37,7 @@ state INITIAL:
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'rename' -> RENAME
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'nop' -> NOP
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'scratchpad' -> SCRATCHPAD
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'title_format' -> TITLE_FORMAT
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'mode' -> MODE
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'bar' -> BAR
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@ -374,6 +375,10 @@ state SCRATCHPAD:
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'show'
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-> call cmd_scratchpad_show()
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state TITLE_FORMAT:
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format = string
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-> call cmd_title_format($format)
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# bar (hidden_state hide|show|toggle)|(mode dock|hide|invisible|toggle) [<bar_id>]
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state BAR:
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bar_type = 'hidden_state'
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@ -1899,6 +1899,35 @@ void cmd_scratchpad_show(I3_CMD) {
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ysuccess(true);
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}
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/*
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* Implementation of 'title_format <format>'
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*
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*/
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void cmd_title_format(I3_CMD, char *format) {
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DLOG("setting title_format to \"%s\"\n", format);
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HANDLE_EMPTY_MATCH;
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owindow *current;
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TAILQ_FOREACH(current, &owindows, owindows) {
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if (current->con->window == NULL)
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continue;
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DLOG("setting title_format for %p / %s\n", current->con, current->con->name);
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FREE(current->con->window->title_format);
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/* If we only display the title without anything else, we can skip the parsing step,
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* so we remove the title format altogether. */
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if (strcasecmp(format, "%title") != 0)
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current->con->window->title_format = sstrdup(format);
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/* Make sure the window title is redrawn immediately. */
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current->con->window->name_x_changed = true;
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}
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cmd_output->needs_tree_render = true;
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ysuccess(true);
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}
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/*
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* Implementation of 'rename workspace [<name>] to <name>'
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*
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44
src/x.c
44
src/x.c
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@ -302,6 +302,45 @@ void x_window_kill(xcb_window_t window, kill_window_t kill_window) {
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free(event);
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}
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static i3String *parse_title_format(char *format, i3String *_title) {
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/* We need to ensure that we only escape the window title if pango
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* is used by the current font. */
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const bool is_markup = font_is_pango();
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i3String *title = is_markup ? i3string_escape_markup(_title) : _title;
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const char *escaped_title = i3string_as_utf8(title);
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/* We have to first iterate over the string to see how much buffer space
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* we need to allocate. */
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int buffer_len = strlen(format) + 1;
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for (char *walk = format; *walk != '\0'; walk++) {
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if (STARTS_WITH(walk, "%title")) {
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buffer_len = buffer_len - strlen("%title") + strlen(escaped_title);
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walk += strlen("%title") - 1;
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}
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}
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/* Now we can parse the format string. */
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char buffer[buffer_len];
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char *outwalk = buffer;
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for (char *walk = format; *walk != '\0'; walk++) {
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if (*walk != '%') {
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*(outwalk++) = *walk;
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continue;
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}
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if (STARTS_WITH(walk + 1, "title")) {
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outwalk += sprintf(outwalk, "%s", escaped_title);
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walk += strlen("title");
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}
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}
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*outwalk = '\0';
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i3String *formatted = i3string_from_utf8(buffer);
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i3string_set_markup(formatted, is_markup);
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return formatted;
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}
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/*
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* Draws the decoration of the given container onto its parent.
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*
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I3STRING_FREE(mark);
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}
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draw_text(win->name,
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i3String *title = win->title_format == NULL ? win->name : parse_title_format(win->title_format, win->name);
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draw_text(title,
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parent->pixmap, parent->pm_gc,
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con->deco_rect.x + logical_px(2) + indent_px, con->deco_rect.y + text_offset_y,
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con->deco_rect.width - logical_px(2) - indent_px - mark_width - logical_px(2));
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if (win->title_format != NULL)
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I3STRING_FREE(title);
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after_title:
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/* Since we don’t clip the text at all, it might in some cases be painted
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@ -144,7 +144,7 @@ is(parser_calls("\nworkspace test"),
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################################################################################
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is(parser_calls('unknown_literal'),
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"ERROR: Expected one of these tokens: <end>, '[', 'move', 'exec', 'exit', 'restart', 'reload', 'shmlog', 'debuglog', 'border', 'layout', 'append_layout', 'workspace', 'focus', 'kill', 'open', 'fullscreen', 'split', 'floating', 'mark', 'unmark', 'resize', 'rename', 'nop', 'scratchpad', 'mode', 'bar'\n" .
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"ERROR: Expected one of these tokens: <end>, '[', 'move', 'exec', 'exit', 'restart', 'reload', 'shmlog', 'debuglog', 'border', 'layout', 'append_layout', 'workspace', 'focus', 'kill', 'open', 'fullscreen', 'split', 'floating', 'mark', 'unmark', 'resize', 'rename', 'nop', 'scratchpad', 'title_format', 'mode', 'bar'\n" .
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"ERROR: Your command: unknown_literal\n" .
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"ERROR: ^^^^^^^^^^^^^^^",
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'error for unknown literal ok');
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