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i3bar: reconfigure strut partial on reload 

Strut partial tells i3 where to reserve space for i3bar. It is affected
by the `position` bar config directive.
This commit is contained in:
Tony Crisci 2015-03-25 19:17:06 -04:00
parent 037cb317cb
commit 3f3b2d9a3f
1 changed files with 49 additions and 43 deletions
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92
i3bar/src/xcb.c
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@ -1525,6 +1525,50 @@ void realloc_sl_buffer(void) {
}
}
/* 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) {
/* A local struct to save the strut_partial property */
struct {
uint32_t left;
uint32_t right;
uint32_t top;
uint32_t bottom;
uint32_t left_start_y;
uint32_t left_end_y;
uint32_t right_start_y;
uint32_t right_end_y;
uint32_t top_start_x;
uint32_t top_end_x;
uint32_t bottom_start_x;
uint32_t bottom_end_x;
} __attribute__((__packed__)) strut_partial;
memset(&strut_partial, 0, sizeof(strut_partial));
switch (config.position) {
case POS_NONE:
break;
case POS_TOP:
strut_partial.top = bar_height;
strut_partial.top_start_x = output->rect.x;
strut_partial.top_end_x = output->rect.x + output->rect.w;
break;
case POS_BOT:
strut_partial.bottom = bar_height;
strut_partial.bottom_start_x = output->rect.x;
strut_partial.bottom_end_x = output->rect.x + output->rect.w;
break;
}
return xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
output->bar,
atoms[_NET_WM_STRUT_PARTIAL],
XCB_ATOM_CARDINAL,
32,
12,
&strut_partial);
}
/*
* Reconfigure all bars and create new bars for recently activated outputs
*
@ -1624,49 +1668,7 @@ void reconfig_windows(bool redraw_bars) {
1,
(unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
/* We need to tell i3, where to reserve space for i3bar */
/* left, right, top, bottom, left_start_y, left_end_y,
* right_start_y, right_end_y, top_start_x, top_end_x, bottom_start_x,
* bottom_end_x */
/* A local struct to save the strut_partial property */
struct {
uint32_t left;
uint32_t right;
uint32_t top;
uint32_t bottom;
uint32_t left_start_y;
uint32_t left_end_y;
uint32_t right_start_y;
uint32_t right_end_y;
uint32_t top_start_x;
uint32_t top_end_x;
uint32_t bottom_start_x;
uint32_t bottom_end_x;
} __attribute__((__packed__)) strut_partial;
memset(&strut_partial, 0, sizeof(strut_partial));
switch (config.position) {
case POS_NONE:
break;
case POS_TOP:
strut_partial.top = bar_height;
strut_partial.top_start_x = walk->rect.x;
strut_partial.top_end_x = walk->rect.x + walk->rect.w;
break;
case POS_BOT:
strut_partial.bottom = bar_height;
strut_partial.bottom_start_x = walk->rect.x;
strut_partial.bottom_end_x = walk->rect.x + walk->rect.w;
break;
}
xcb_void_cookie_t strut_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
walk->bar,
atoms[_NET_WM_STRUT_PARTIAL],
XCB_ATOM_CARDINAL,
32,
12,
&strut_partial);
xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
/* We also want a graphics context for the bars (it defines the properties
* with which we draw to them) */
@ -1726,6 +1728,9 @@ void reconfig_windows(bool redraw_bars) {
values[3] = bar_height;
values[4] = XCB_STACK_MODE_ABOVE;
DLOG("Reconfiguring strut partial property for output %s\n", walk->name);
xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
DLOG("Destroying buffer for output %s\n", walk->name);
xcb_free_pixmap(xcb_connection, walk->buffer);
@ -1774,6 +1779,7 @@ void reconfig_windows(bool 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(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"))))) {
exit(EXIT_FAILURE);