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Bugfix: Avoid out of bounds coordinates when moving floating windows (Thanks eeemsi) 

This commit makes the coordinates proportional when moving floating windows.
That is, if you have a window at the bottom of your 1920 px monitor and move it
to your 800 px monitor, it will be at the bottom of the 800 px monitor (and not
out of bounds).
This commit is contained in:
Michael Stapelberg 2011-09-18 17:00:29 +01:00
parent 254299b4cd
commit a82f5750de
1 changed files with 11 additions and 2 deletions
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13
src/con.c
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@ -613,10 +613,19 @@ void con_move_to_workspace(Con *con, Con *workspace, bool fix_coordinates, bool
* to the coordinate space of the correct output */
if (fix_coordinates && con->type == CT_FLOATING_CON) {
DLOG("Floating window, fixing coordinates\n");
/* First we get the x/y coordinates relative to the x/y coordinates
* of the output on which the window is on */
uint32_t rel_x = (con->rect.x - source_output->rect.x);
uint32_t rel_y = (con->rect.y - source_output->rect.y);
con->rect.x = dest_output->rect.x + rel_x;
con->rect.y = dest_output->rect.y + rel_y;
/* Then we calculate a fraction, for example 0.63 for a window
* which is at y = 1212 of a 1920 px high output */
double fraction_x = ((double)rel_x / source_output->rect.width);
double fraction_y = ((double)rel_y / source_output->rect.height);
DLOG("rel_x = %d, rel_y = %d, fraction_x = %f, fraction_y = %f, output->w = %d, output->h = %d\n",
rel_x, rel_y, fraction_x, fraction_y, source_output->rect.width, source_output->rect.height);
con->rect.x = dest_output->rect.x + (fraction_x * dest_output->rect.width);
con->rect.y = dest_output->rect.y + (fraction_y * dest_output->rect.height);
DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y);
} else DLOG("Not fixing coordinates, fix_coordinates flag = %d\n", fix_coordinates);
/* If moving to a visible workspace, call show so it can be considered