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Merge pull request #1981 from Airblader/feature-i3bar-rgba 

Allow 32-bit depth visuals and RGBA in i3bar
This commit is contained in:
Michael Stapelberg 2015-10-09 09:32:52 -07:00
parent ddd5e9a824 d300a07660
commit 47723715ce
11 changed files with 263 additions and 103 deletions
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4
i3-input/main.c
View File

@ -141,12 +141,12 @@ static int handle_expose(void *data, xcb_connection_t *conn, xcb_expose_event_t
/* draw the prompt … */
if (prompt != NULL) {
draw_text(prompt, pixmap, pixmap_gc, logical_px(4), logical_px(4), logical_px(492));
draw_text(prompt, pixmap, pixmap_gc, NULL, logical_px(4), logical_px(4), logical_px(492));
}
/* … and the text */
if (input_position > 0) {
i3String *input = i3string_from_ucs2(glyphs_ucs, input_position);
draw_text(input, pixmap, pixmap_gc, prompt_offset + logical_px(4), logical_px(4), logical_px(492));
draw_text(input, pixmap, pixmap_gc, NULL, prompt_offset + logical_px(4), logical_px(4), logical_px(492));
i3string_free(input);
}

4
i3-nagbar/main.c
View File

@ -196,7 +196,7 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
/* restore font color */
set_font_colors(pixmap_gc, color_text, color_background);
draw_text(prompt, pixmap, pixmap_gc,
draw_text(prompt, pixmap, pixmap_gc, NULL,
logical_px(4) + logical_px(4),
logical_px(4) + logical_px(4),
rect.width - logical_px(4) - logical_px(4));
@ -264,7 +264,7 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
values[1] = color_button_background;
set_font_colors(pixmap_gc, color_text, color_button_background);
/* the x term seems to set left/right padding */
draw_text(buttons[c].label, pixmap, pixmap_gc,
draw_text(buttons[c].label, pixmap, pixmap_gc, NULL,
y - w - line_width + logical_px(6),
logical_px(4) + logical_px(3),
rect.width - y + w + line_width - logical_px(6));

26
i3bar/include/cairo_util.h
View File

@ -15,6 +15,7 @@ typedef struct color_t {
double red;
double green;
double blue;
double alpha;
/* For compatibility, we also store the colorpixel for now. */
uint32_t colorpixel;
@ -63,3 +64,28 @@ color_t cairo_hex_to_color(const char *color);
*
*/
void cairo_set_source_color(surface_t *surface, color_t color);
/**
* Draw the given text using libi3.
* This function also marks the surface dirty which is needed if other means of
* drawing are used. This will be the case when using XCB to draw text.
*
*/
void cairo_draw_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width);
/**
* Draws a filled rectangle.
* This function is a convenience wrapper and takes care of flushing the
* surface as well as restoring the cairo state.
* Note that the drawing is done using CAIRO_OPERATOR_SOURCE.
*
*/
void cairo_draw_rectangle(surface_t *surface, color_t color, double x, double y, double w, double h);
/**
* Copies a surface onto another surface.
* Note that the drawing is done using CAIRO_OPERATOR_SOURCE.
*
*/
void cairo_copy_surface(surface_t *src, surface_t *dest, double src_x, double src_y,
double dest_x, double dest_y, double dest_w, double dest_h);

84
i3bar/src/cairo_util.c
View File

@ -8,6 +8,7 @@
*/
#include <stdlib.h>
#include <err.h>
#include <string.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <cairo/cairo-xcb.h>
@ -16,7 +17,7 @@
#include "libi3.h"
xcb_connection_t *xcb_connection;
xcb_screen_t *root_screen;
xcb_visualtype_t *visual_type;
/*
* Initialize the cairo surface to represent the given drawable.
@ -30,7 +31,7 @@ void cairo_surface_init(surface_t *surface, xcb_drawable_t drawable, int width,
if (xcb_request_failed(gc_cookie, "Could not create graphical context"))
exit(EXIT_FAILURE);
surface->surface = cairo_xcb_surface_create(xcb_connection, surface->id, get_visualtype(root_screen), width, height);
surface->surface = cairo_xcb_surface_create(xcb_connection, surface->id, visual_type, width, height);
surface->cr = cairo_create(surface->surface);
}
@ -50,15 +51,25 @@ void cairo_surface_free(surface_t *surface) {
*
*/
color_t cairo_hex_to_color(const char *color) {
char groups[3][3] = {
char alpha[2];
if (strlen(color) == strlen("#rrggbbaa")) {
alpha[0] = color[7];
alpha[1] = color[8];
} else {
alpha[0] = alpha[1] = 'F';
}
char groups[4][3] = {
{color[1], color[2], '\0'},
{color[3], color[4], '\0'},
{color[5], color[6], '\0'}};
{color[5], color[6], '\0'},
{alpha[0], alpha[1], '\0'}};
return (color_t){
.red = strtol(groups[0], NULL, 16) / 255.0,
.green = strtol(groups[1], NULL, 16) / 255.0,
.blue = strtol(groups[2], NULL, 16) / 255.0,
.alpha = strtol(groups[3], NULL, 16) / 255.0,
.colorpixel = get_colorpixel(color)};
}
@ -67,5 +78,68 @@ color_t cairo_hex_to_color(const char *color) {
*
*/
void cairo_set_source_color(surface_t *surface, color_t color) {
cairo_set_source_rgb(surface->cr, color.red, color.green, color.blue);
cairo_set_source_rgba(surface->cr, color.red, color.green, color.blue, color.alpha);
}
/**
* Draw the given text using libi3.
* This function also marks the surface dirty which is needed if other means of
* drawing are used. This will be the case when using XCB to draw text.
*
*/
void cairo_draw_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width) {
set_font_colors(surface->gc, fg_color.colorpixel, bg_color.colorpixel);
draw_text(text, surface->id, surface->gc, visual_type, x, y, max_width);
cairo_surface_mark_dirty(surface->surface);
}
/**
* Draws a filled rectangle.
* This function is a convenience wrapper and takes care of flushing the
* surface as well as restoring the cairo state.
* Note that the drawing is done using CAIRO_OPERATOR_SOURCE.
*
*/
void cairo_draw_rectangle(surface_t *surface, color_t color, double x, double y, double w, double h) {
cairo_save(surface->cr);
/* Using the SOURCE operator will copy both color and alpha information directly
* onto the surface rather than blending it. This is a bit more efficient and
* allows better color control for the user when using opacity. */
cairo_set_operator(surface->cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_color(surface, color);
cairo_rectangle(surface->cr, x, y, w, h);
cairo_fill(surface->cr);
/* Make sure we flush the surface for any text drawing operations that could follow.
* Since we support drawing text via XCB, we need this. */
cairo_surface_flush(surface->surface);
cairo_restore(surface->cr);
}
/**
* Copies a surface onto another surface.
* Note that the drawing is done using CAIRO_OPERATOR_SOURCE.
*
*/
void cairo_copy_surface(surface_t *src, surface_t *dest, double src_x, double src_y,
double dest_x, double dest_y, double dest_w, double dest_h) {
cairo_save(dest->cr);
/* Using the SOURCE operator will copy both color and alpha information directly
* onto the surface rather than blending it. This is a bit more efficient and
* allows better color control for the user when using opacity. */
cairo_set_operator(dest->cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface(dest->cr, src->surface, src_x, src_y);
cairo_rectangle(dest->cr, dest_x, dest_y, dest_w, dest_h);
cairo_fill(dest->cr);
/* Make sure we flush the surface for any text drawing operations that could follow.
* Since we support drawing text via XCB, we need this. */
cairo_surface_flush(dest->surface);
cairo_restore(dest->cr);
}

190
i3bar/src/xcb.c
View File

@ -64,6 +64,10 @@ static i3Font font;
/* Icon size (based on font size) */
int icon_size;
xcb_visualtype_t *visual_type;
uint8_t depth;
xcb_colormap_t colormap;
/* Overall height of the bar (based on font size) */
int bar_height;
@ -170,15 +174,16 @@ static void draw_separator(uint32_t x, struct status_block *block) {
uint32_t center_x = x - sep_offset;
if (config.separator_symbol == NULL) {
/* Draw a classic one pixel, vertical separator. */
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_draw_rectangle(&statusline_surface, colors.sep_fg,
center_x,
logical_px(sep_voff_px),
logical_px(1),
bar_height - 2 * logical_px(sep_voff_px));
} 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,
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);
}
}
@ -239,9 +244,12 @@ void refresh_statusline(bool use_short_text) {
realloc_sl_buffer();
/* Clear the statusline pixmap. */
cairo_save(statusline_surface.cr);
cairo_set_source_color(&statusline_surface, colors.bar_bg);
cairo_rectangle(statusline_surface.cr, 0, 0, MAX(root_screen->width_in_pixels, statusline_width), bar_height);
cairo_fill(statusline_surface.cr);
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. */
uint32_t x = 0;
@ -255,15 +263,17 @@ void refresh_statusline(bool use_short_text) {
fg_color = colors.urgent_ws_fg;
/* Draw the background */
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_draw_rectangle(&statusline_surface, colors.urgent_ws_bg,
x - logical_px(2),
logical_px(1),
block->width + logical_px(4),
bar_height - logical_px(2));
} 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, 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. */
@ -699,11 +709,15 @@ static void handle_client_message(xcb_client_message_event_t *event) {
ELOG("No output found\n");
return;
}
xcb_reparent_window(xcb_connection,
client,
output->bar.id,
output->rect.w - icon_size - logical_px(config.tray_padding),
logical_px(config.tray_padding));
xcb_void_cookie_t rcookie = xcb_reparent_window(xcb_connection,
client,
output->bar.id,
output->rect.w - icon_size - logical_px(config.tray_padding),
logical_px(config.tray_padding));
if (xcb_request_failed(rcookie, "Could not reparent window. Maybe it is using an incorrect depth/visual?"))
return;
/* We reconfigure the window to use a reasonable size. The systray
* specification explicitly says:
* Tray icons may be assigned any size by the system tray, and
@ -1106,11 +1120,29 @@ char *init_xcb_early() {
root_screen = xcb_aux_get_screen(xcb_connection, screen);
xcb_root = root_screen->root;
depth = root_screen->root_depth;
colormap = root_screen->default_colormap;
visual_type = xcb_aux_find_visual_by_attrs(root_screen, -1, 32);
if (visual_type) {
depth = xcb_aux_get_depth_of_visual(root_screen, visual_type->visual_id);
colormap = xcb_generate_id(xcb_connection);
xcb_void_cookie_t cm_cookie = xcb_create_colormap_checked(xcb_connection,
XCB_COLORMAP_ALLOC_NONE,
colormap,
xcb_root,
visual_type->visual_id);
if (xcb_request_failed(cm_cookie, "Could not allocate colormap")) {
exit(EXIT_FAILURE);
}
} else {
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,
root_screen->root_depth,
depth,
statusline_id,
xcb_root,
root_screen->width_in_pixels,
@ -1248,17 +1280,17 @@ void init_tray(void) {
/* tray support: we need a window to own the selection */
selwin = xcb_generate_id(xcb_connection);
uint32_t selmask = XCB_CW_OVERRIDE_REDIRECT;
uint32_t selval[] = {1};
uint32_t selmask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_COLORMAP;
uint32_t selval[] = {root_screen->black_pixel, root_screen->black_pixel, 1, colormap};
xcb_create_window(xcb_connection,
root_screen->root_depth,
depth,
selwin,
xcb_root,
-1, -1,
1, 1,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
root_screen->root_visual,
visual_type->visual_id,
selmask,
selval);
@ -1272,6 +1304,14 @@ void init_tray(void) {
32,
1,
&orientation);
xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
selwin,
atoms[_NET_SYSTEM_TRAY_VISUAL],
XCB_ATOM_VISUALID,
32,
1,
&visual_type->visual_id);
init_tray_colors();
@ -1473,7 +1513,7 @@ void realloc_sl_buffer(void) {
xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth,
depth,
statusline_id,
xcb_root,
MAX(root_screen->width_in_pixels, statusline_width),
@ -1551,41 +1591,44 @@ void reconfig_windows(bool redraw_bars) {
xcb_window_t bar_id = xcb_generate_id(xcb_connection);
xcb_pixmap_t buffer_id = xcb_generate_id(xcb_connection);
mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
/* Black background */
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;
values[1] = root_screen->black_pixel;
/* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar windows */
values[1] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
values[2] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
/* We enable the following EventMask fields:
* EXPOSURE, to get expose events (we have to re-draw then)
* SUBSTRUCTURE_REDIRECT, to get ConfigureRequests when the tray
* child windows use ConfigureWindow
* BUTTON_PRESS, to handle clicks on the workspace buttons
* */
values[2] = XCB_EVENT_MASK_EXPOSURE |
values[3] = XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_BUTTON_PRESS;
if (config.hide_on_modifier == M_DOCK) {
/* If the bar is normally visible, catch visibility change events to suspend
* the status process when the bar is obscured by full-screened windows. */
values[2] |= XCB_EVENT_MASK_VISIBILITY_CHANGE;
values[3] |= XCB_EVENT_MASK_VISIBILITY_CHANGE;
walk->visible = true;
}
values[4] = colormap;
xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
root_screen->root_depth,
depth,
bar_id,
xcb_root,
walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
walk->rect.w, bar_height,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
root_screen->root_visual,
visual_type->visual_id,
mask,
values);
/* The double-buffer we use to render stuff off-screen */
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth,
depth,
buffer_id,
bar_id,
walk->rect.w,
@ -1701,7 +1744,7 @@ void reconfig_windows(bool redraw_bars) {
DLOG("Recreating buffer for output %s\n", walk->name);
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth,
depth,
walk->buffer.id,
walk->bar.id,
walk->rect.w,
@ -1766,10 +1809,14 @@ void draw_bars(bool unhide) {
/* Oh shit, an active output without an own bar. Create it now! */
reconfig_windows(false);
}
/* First things first: clear the backbuffer */
cairo_save(outputs_walk->buffer.cr);
cairo_set_source_color(&(outputs_walk->buffer), colors.bar_bg);
cairo_rectangle(outputs_walk->buffer.cr, 0, 0, outputs_walk->rect.w, bar_height);
cairo_fill(outputs_walk->buffer.cr);
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) {
i3_ws *ws_walk;
@ -1798,23 +1845,24 @@ void draw_bars(bool unhide) {
unhide = true;
}
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);
/* Draw the border of the button. */
cairo_draw_rectangle(&(outputs_walk->buffer), border_color,
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_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);
/* Draw the inside of the button. */
cairo_draw_rectangle(&(outputs_walk->buffer), bg_color,
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));
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,
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)
@ -1828,25 +1876,22 @@ void draw_bars(bool unhide) {
color_t fg_color = colors.binding_mode_fg;
color_t bg_color = colors.binding_mode_bg;
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_draw_rectangle(&(outputs_walk->buffer), colors.binding_mode_border,
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_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_draw_rectangle(&(outputs_walk->buffer), bg_color,
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));
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,
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;
@ -1876,9 +1921,8 @@ void draw_bars(bool unhide) {
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);
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_copy_surface(&statusline_surface, &(outputs_walk->buffer), x_dest - x_src, 0,
x_dest, 0, (int16_t)visible_statusline_width, (int16_t)bar_height);
}
workspace_width = 0;
@ -1906,9 +1950,9 @@ void redraw_bars(void) {
if (!outputs_walk->active) {
continue;
}
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_copy_surface(&(outputs_walk->buffer), &(outputs_walk->bar), 0, 0,
0, 0, outputs_walk->rect.w, outputs_walk->rect.h);
xcb_flush(xcb_connection);
}
}

4
include/libi3.h
View File

@ -402,8 +402,8 @@ bool font_is_pango(void);
* Text must be specified as an i3String.
*
*/
void draw_text(i3String *text, xcb_drawable_t drawable,
xcb_gcontext_t gc, int x, int y, int max_width);
void draw_text(i3String *text, xcb_drawable_t drawable, xcb_gcontext_t gc,
xcb_visualtype_t *visual, int x, int y, int max_width);
/**
* ASCII version of draw_text to print static strings.

22
libi3/font.c
View File

@ -29,6 +29,7 @@ static xcb_visualtype_t *root_visual_type;
static double pango_font_red;
static double pango_font_green;
static double pango_font_blue;
static double pango_font_alpha;
/* Necessary to track whether the dpi changes and trigger a LOG() message,
* which is more easily visible to users. */
@ -102,12 +103,12 @@ static bool load_pango_font(i3Font *font, const char *desc) {
*
*/
static void draw_text_pango(const char *text, size_t text_len,
xcb_drawable_t drawable, int x, int y,
xcb_drawable_t drawable, xcb_visualtype_t *visual, int x, int y,
int max_width, bool is_markup) {
/* Create the Pango layout */
/* root_visual_type is cached in load_pango_font */
cairo_surface_t *surface = cairo_xcb_surface_create(conn, drawable,
root_visual_type, x + max_width, y + savedFont->height);
visual, x + max_width, y + savedFont->height);
cairo_t *cr = cairo_create(surface);
PangoLayout *layout = create_layout_with_dpi(cr);
gint height;
@ -123,7 +124,8 @@ static void draw_text_pango(const char *text, size_t text_len,
pango_layout_set_text(layout, text, text_len);
/* Do the drawing */
cairo_set_source_rgb(cr, pango_font_red, pango_font_green, pango_font_blue);
cairo_set_source_rgba(cr, pango_font_red, pango_font_green, pango_font_blue, pango_font_alpha);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
pango_cairo_update_layout(cr, layout);
pango_layout_get_pixel_size(layout, NULL, &height);
/* Center the piece of text vertically if its height is smaller than the
@ -332,6 +334,7 @@ void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background
pango_font_red = ((foreground >> 16) & 0xff) / 255.0;
pango_font_green = ((foreground >> 8) & 0xff) / 255.0;
pango_font_blue = (foreground & 0xff) / 255.0;
pango_font_alpha = ((foreground >> 24) & 0xff) / 255.0;
break;
#endif
default:
@ -391,9 +394,12 @@ static void draw_text_xcb(const xcb_char2b_t *text, size_t text_len, xcb_drawabl
* Text must be specified as an i3String.
*
*/
void draw_text(i3String *text, xcb_drawable_t drawable,
xcb_gcontext_t gc, int x, int y, int max_width) {
void draw_text(i3String *text, xcb_drawable_t drawable, xcb_gcontext_t gc,
xcb_visualtype_t *visual, int x, int y, int max_width) {
assert(savedFont != NULL);
if (visual == NULL) {
visual = root_visual_type;
}
switch (savedFont->type) {
case FONT_TYPE_NONE:
@ -407,7 +413,7 @@ void draw_text(i3String *text, xcb_drawable_t drawable,
case FONT_TYPE_PANGO:
/* Render the text using Pango */
draw_text_pango(i3string_as_utf8(text), i3string_get_num_bytes(text),
drawable, x, y, max_width, i3string_is_markup(text));
drawable, visual, x, y, max_width, i3string_is_markup(text));
return;
#endif
default:
@ -432,7 +438,7 @@ void draw_text_ascii(const char *text, xcb_drawable_t drawable,
if (text_len > 255) {
/* The text is too long to draw it directly to X */
i3String *str = i3string_from_utf8(text);
draw_text(str, drawable, gc, x, y, max_width);
draw_text(str, drawable, gc, NULL, x, y, max_width);
i3string_free(str);
} else {
/* X11 coordinates for fonts start at the baseline */
@ -446,7 +452,7 @@ void draw_text_ascii(const char *text, xcb_drawable_t drawable,
case FONT_TYPE_PANGO:
/* Render the text using Pango */
draw_text_pango(text, strlen(text),
drawable, x, y, max_width, false);
drawable, root_visual_type, x, y, max_width, false);
return;
#endif
default:

22
libi3/get_colorpixel.c
View File

@ -7,6 +7,7 @@
*/
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "libi3.h"
@ -25,14 +26,23 @@
*
*/
uint32_t get_colorpixel(const char *hex) {
char strgroups[3][3] = {{hex[1], hex[2], '\0'},
{hex[3], hex[4], '\0'},
{hex[5], hex[6], '\0'}};
char alpha[2];
if (strlen(hex) == strlen("#rrggbbaa")) {
alpha[0] = hex[7];
alpha[1] = hex[8];
} else {
alpha[0] = alpha[1] = 'F';
}
char strgroups[4][3] = {
{hex[1], hex[2], '\0'},
{hex[3], hex[4], '\0'},
{hex[5], hex[6], '\0'},
{alpha[0], alpha[1], '\0'}};
uint8_t r = strtol(strgroups[0], NULL, 16);
uint8_t g = strtol(strgroups[1], NULL, 16);
uint8_t b = strtol(strgroups[2], NULL, 16);
uint8_t a = strtol(strgroups[3], NULL, 16);
/* We set the first 8 bits high to have 100% opacity in case of a 32 bit
* color depth visual. */
return (0xFF << 24) | (r << 16 | g << 8 | b);
return (a << 24) | (r << 16 | g << 8 | b);
}

4
src/restore_layout.c
View File

@ -161,7 +161,7 @@ static void update_placeholder_contents(placeholder_state *state) {
DLOG("con %p (placeholder 0x%08x) line %d: %s\n", state->con, state->window, n, serialized);
i3String *str = i3string_from_utf8(serialized);
draw_text(str, state->pixmap, state->gc, 2, (n * (config.font.height + 2)) + 2, state->rect.width - 2);
draw_text(str, state->pixmap, state->gc, NULL, 2, (n * (config.font.height + 2)) + 2, state->rect.width - 2);
i3string_free(str);
n++;
free(serialized);
@ -172,7 +172,7 @@ static void update_placeholder_contents(placeholder_state *state) {
int text_width = predict_text_width(line);
int x = (state->rect.width / 2) - (text_width / 2);
int y = (state->rect.height / 2) - (config.font.height / 2);
draw_text(line, state->pixmap, state->gc, x, y, text_width);
draw_text(line, state->pixmap, state->gc, NULL, x, y, text_width);
i3string_free(line);
xcb_flush(conn);
xcb_aux_sync(conn);

2
src/sighandler.c
View File

@ -154,7 +154,7 @@ static int sig_draw_window(xcb_window_t win, int width, int height, int font_hei
if (i == backtrace_string_index)
set_font_colors(pixmap_gc, get_colorpixel(bt_colour), get_colorpixel("#000000"));
draw_text(crash_text_i3strings[i], pixmap, pixmap_gc,
draw_text(crash_text_i3strings[i], pixmap, pixmap_gc, NULL,
8, 5 + i * font_height, width - 16);
/* and reset the colour again for other lines */

4
src/x.c
View File

@ -552,7 +552,7 @@ void x_draw_decoration(Con *con) {
FREE(formatted_mark);
mark_width = predict_text_width(mark);
draw_text(mark, parent->pixmap, parent->pm_gc,
draw_text(mark, parent->pixmap, parent->pm_gc, NULL,
con->deco_rect.x + con->deco_rect.width - mark_width - logical_px(2),
con->deco_rect.y + text_offset_y, mark_width);
@ -561,7 +561,7 @@ void x_draw_decoration(Con *con) {
i3String *title = win->title_format == NULL ? win->name : window_parse_title_format(win);
draw_text(title,
parent->pixmap, parent->pm_gc,
parent->pixmap, parent->pm_gc, NULL,
con->deco_rect.x + logical_px(2) + indent_px, con->deco_rect.y + text_offset_y,
con->deco_rect.width - logical_px(2) - indent_px - mark_width - logical_px(2));
if (win->title_format != NULL)