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Merge pull request #1593 from Airblader/feature-nagbar-primary-output

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Display i3-nagbar on primary output
This commit is contained in:
Michael Stapelberg 2015-03-29 19:54:32 +02:00
commit 6cba530946
2 changed files with 63 additions and 6 deletions
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4
i3-nagbar/i3-nagbar.mk
View File

@ -4,8 +4,8 @@ CLEAN_TARGETS += clean-i3-nagbar
i3_nagbar_SOURCES := $(wildcard i3-nagbar/*.c)
i3_nagbar_HEADERS := $(wildcard i3-nagbar/*.h)
i3_nagbar_CFLAGS = $(XCB_CFLAGS) $(PANGO_CFLAGS)
i3_nagbar_LIBS = $(XCB_LIBS) $(PANGO_LIBS)
i3_nagbar_CFLAGS = $(XCB_CFLAGS) $(XCB_WM_CFLAGS) $(PANGO_CFLAGS)
i3_nagbar_LIBS = $(XCB_LIBS) $(XCB_WM_LIBS) $(PANGO_LIBS)
i3_nagbar_OBJECTS := $(i3_nagbar_SOURCES:.c=.o)

65
i3-nagbar/main.c
View File

@ -27,6 +27,7 @@
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <xcb/xcb_event.h>
#include <xcb/randr.h>
#include "libi3.h"
#include "i3-nagbar.h"
@ -288,6 +289,60 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
return 1;
}
/**
* Return the position and size the i3-nagbar window should use.
* This will be the primary output or a fallback if it cannot be determined.
*/
static xcb_rectangle_t get_window_position(void) {
/* Default values if we cannot determine the primary output or its CRTC info. */
xcb_rectangle_t result = (xcb_rectangle_t){50, 50, 500, font.height + logical_px(8) + logical_px(8)};
xcb_randr_get_screen_resources_current_cookie_t rcookie = xcb_randr_get_screen_resources_current(conn, root);
xcb_randr_get_output_primary_cookie_t pcookie = xcb_randr_get_output_primary(conn, root);
xcb_randr_get_output_primary_reply_t *primary;
xcb_randr_get_screen_resources_current_reply_t *res;
if ((primary = xcb_randr_get_output_primary_reply(conn, pcookie, NULL)) == NULL) {
DLOG("Could not determine the primary output.\n");
goto free_resources;
}
if ((res = xcb_randr_get_screen_resources_current_reply(conn, rcookie, NULL)) == NULL) {
goto free_resources;
}
xcb_randr_get_output_info_reply_t *output =
xcb_randr_get_output_info_reply(conn,
xcb_randr_get_output_info(conn, primary->output, res->config_timestamp),
NULL);
if (output == NULL || output->crtc == XCB_NONE)
goto free_resources;
xcb_randr_get_crtc_info_reply_t *crtc =
xcb_randr_get_crtc_info_reply(conn,
xcb_randr_get_crtc_info(conn, output->crtc, res->config_timestamp),
NULL);
if (crtc == NULL)
goto free_resources;
DLOG("Found primary output on position x = %i / y = %i / w = %i / h = %i",
crtc->x, crtc->y, crtc->width, crtc->height);
if (crtc->width == 0 || crtc->height == 0) {
DLOG("Primary output is not active, ignoring it.\n");
goto free_resources;
}
result.x = crtc->x;
result.y = crtc->y;
goto free_resources;
free_resources:
FREE(res);
FREE(primary);
return result;
}
int main(int argc, char *argv[]) {
/* The following lines are a terribly horrible kludge. Because terminal
* emulators have different ways of interpreting the -e command line
@ -410,16 +465,18 @@ int main(int argc, char *argv[]) {
font = load_font(pattern, true);
set_font(&font);
xcb_rectangle_t win_pos = get_window_position();
/* Open an input window */
win = xcb_generate_id(conn);
xcb_create_window(
conn,
XCB_COPY_FROM_PARENT,
win, /* the window id */
root, /* parent == root */
50, 50, 500, font.height + logical_px(8) + logical_px(8) /* 8 px padding */, /* dimensions */
0, /* x11 border = 0, we draw our own */
win, /* the window id */
root, /* parent == root */
win_pos.x, win_pos.y, win_pos.width, win_pos.height, /* dimensions */
0, /* x11 border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,