80 lines
3.0 KiB
C
80 lines
3.0 KiB
C
/*
|
||
* vim:ts=4:sw=4:expandtab
|
||
*
|
||
* i3 - an improved dynamic tiling window manager
|
||
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
|
||
*
|
||
* Faking outputs is useful in pathological situations (like network X servers
|
||
* which don’t support multi-monitor in a useful way) and for our testsuite.
|
||
*
|
||
*/
|
||
#include "all.h"
|
||
|
||
static int num_screens;
|
||
|
||
/*
|
||
* Looks in outputs for the Output whose start coordinates are x, y
|
||
*
|
||
*/
|
||
static Output *get_screen_at(unsigned int x, unsigned int y) {
|
||
Output *output;
|
||
TAILQ_FOREACH(output, &outputs, outputs)
|
||
if (output->rect.x == x && output->rect.y == y)
|
||
return output;
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* Creates outputs according to the given specification.
|
||
* The specification must be in the format wxh+x+y, for example 1024x768+0+0,
|
||
* with multiple outputs separated by commas:
|
||
* 1900x1200+0+0,1280x1024+1900+0
|
||
*
|
||
*/
|
||
void fake_outputs_init(const char *output_spec) {
|
||
char useless_buffer[1024];
|
||
const char *walk = output_spec;
|
||
unsigned int x, y, width, height;
|
||
while (sscanf(walk, "%ux%u+%u+%u", &width, &height, &x, &y) == 4) {
|
||
DLOG("Parsed output as width = %u, height = %u at (%u, %u)\n",
|
||
width, height, x, y);
|
||
Output *new_output = get_screen_at(x, y);
|
||
if (new_output != NULL) {
|
||
DLOG("Re-used old output %p\n", new_output);
|
||
/* This screen already exists. We use the littlest screen so that the user
|
||
can always see the complete workspace */
|
||
new_output->rect.width = min(new_output->rect.width, width);
|
||
new_output->rect.height = min(new_output->rect.height, height);
|
||
} else {
|
||
struct output_name *output_name = scalloc(1, sizeof(struct output_name));
|
||
new_output = scalloc(1, sizeof(Output));
|
||
sasprintf(&(output_name->name), "fake-%d", num_screens);
|
||
SLIST_INIT(&(new_output->names_head));
|
||
SLIST_INSERT_HEAD(&(new_output->names_head), output_name, names);
|
||
DLOG("Created new fake output %s (%p)\n", output_primary_name(new_output), new_output);
|
||
new_output->active = true;
|
||
new_output->rect.x = x;
|
||
new_output->rect.y = y;
|
||
new_output->rect.width = width;
|
||
new_output->rect.height = height;
|
||
/* We always treat the screen at 0x0 as the primary screen */
|
||
if (new_output->rect.x == 0 && new_output->rect.y == 0)
|
||
TAILQ_INSERT_HEAD(&outputs, new_output, outputs);
|
||
else
|
||
TAILQ_INSERT_TAIL(&outputs, new_output, outputs);
|
||
output_init_con(new_output);
|
||
init_ws_for_output(new_output, output_get_content(new_output->con));
|
||
num_screens++;
|
||
}
|
||
|
||
/* Figure out how long the input was to skip it */
|
||
walk += sprintf(useless_buffer, "%ux%u+%u+%u", width, height, x, y) + 1;
|
||
}
|
||
|
||
if (num_screens == 0) {
|
||
ELOG("No screens found. Please fix your setup. i3 will exit now.\n");
|
||
exit(0);
|
||
}
|
||
}
|