i3 - improved tiling WM

Ensure that resize will take place even if pixel is smaller than size increments.

Patch status: merged

Patch by oblique

Long description:

fixes #1011

To apply this patch, use:
curl http://cr.i3wm.org/patch/140/raw.patch | git am

b/src/commands.c

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@@ -569,6 +569,23 @@ void cmd_move_con_to_workspace_number(I3_CMD, char *which) {
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 static void cmd_resize_floating(I3_CMD, char *way, char *direction, Con *floating_con, int px) {
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     LOG("floating resize\n");
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     Rect old_rect = floating_con->rect;
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+    Con *focused_con = con_descend_focused(floating_con);
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+
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+    /* ensure that resize will take place even if pixel increment is smaller than
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+     * height increment or width increment.
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+     * fixes #1011 */
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+    if (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0 ||
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+        strcmp(direction, "height") == 0) {
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+        if (px < 0)
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+            px = (-px < focused_con->height_increment) ? -focused_con->height_increment : px;
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+        else
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+            px = (px < focused_con->height_increment) ? focused_con->height_increment : px;
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+    } else if (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0) {
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+        if (px < 0)
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+            px = (-px < focused_con->width_increment) ? -focused_con->width_increment : px;
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+        else
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+            px = (px < focused_con->width_increment) ? focused_con->width_increment : px;
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+    }
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     if (strcmp(direction, "up") == 0) {
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         floating_con->rect.height += px;