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bspwm/pointer.c
Bastien Dejean 6c51d8e3da Merge stack and stack_under
2013-10-19 17:46:28 +02:00

328 lines
14 KiB
C
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/* * Copyright (c) 2012-2013 Bastien Dejean
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "bspwm.h"
#include "query.h"
#include "settings.h"
#include "stack.h"
#include "tree.h"
#include "window.h"
#include "pointer.h"
void grab_pointer(pointer_action_t pac)
{
PRINTF("grab pointer %u\n", pac);
xcb_window_t win = XCB_NONE;
xcb_point_t pos;
query_pointer(&win, &pos);
coordinates_t loc;
if (locate_window(win, &loc)) {
client_t *c = NULL;
frozen_pointer->position = pos;
frozen_pointer->action = pac;
c = loc.node->client;
frozen_pointer->monitor = loc.monitor;
frozen_pointer->desktop = loc.desktop;
frozen_pointer->node = loc.node;
frozen_pointer->client = c;
frozen_pointer->window = c->window;
frozen_pointer->horizontal_fence = NULL;
frozen_pointer->vertical_fence = NULL;
switch (pac) {
case ACTION_FOCUS:
if (loc.node != mon->desk->focus) {
bool backup = pointer_follows_monitor;
pointer_follows_monitor = false;
focus_node(loc.monitor, loc.desktop, loc.node);
pointer_follows_monitor = backup;
} else if (focus_follows_pointer) {
stack(loc.node, STACK_ABOVE);
}
break;
case ACTION_MOVE:
case ACTION_RESIZE_SIDE:
case ACTION_RESIZE_CORNER:
if (is_tiled(c)) {
frozen_pointer->rectangle = c->tiled_rectangle;
frozen_pointer->is_tiled = true;
} else if (is_floating(c)) {
frozen_pointer->rectangle = c->floating_rectangle;
frozen_pointer->is_tiled = false;
} else {
frozen_pointer->action = ACTION_NONE;
return;
}
if (pac == ACTION_RESIZE_SIDE) {
float W = frozen_pointer->rectangle.width;
float H = frozen_pointer->rectangle.height;
float ratio = W / H;
float x = pos.x - frozen_pointer->rectangle.x;
float y = pos.y - frozen_pointer->rectangle.y;
float diag_a = ratio * y;
float diag_b = W - diag_a;
if (x < diag_a) {
if (x < diag_b)
frozen_pointer->side = SIDE_LEFT;
else
frozen_pointer->side = SIDE_BOTTOM;
} else {
if (x < diag_b)
frozen_pointer->side = SIDE_TOP;
else
frozen_pointer->side = SIDE_RIGHT;
}
} else if (pac == ACTION_RESIZE_CORNER) {
int16_t mid_x = frozen_pointer->rectangle.x + (frozen_pointer->rectangle.width / 2);
int16_t mid_y = frozen_pointer->rectangle.y + (frozen_pointer->rectangle.height / 2);
if (pos.x > mid_x) {
if (pos.y > mid_y)
frozen_pointer->corner = CORNER_BOTTOM_RIGHT;
else
frozen_pointer->corner = CORNER_TOP_RIGHT;
} else {
if (pos.y > mid_y)
frozen_pointer->corner = CORNER_BOTTOM_LEFT;
else
frozen_pointer->corner = CORNER_TOP_LEFT;
}
}
if (frozen_pointer->is_tiled) {
if (pac == ACTION_RESIZE_SIDE) {
switch (frozen_pointer->side) {
case SIDE_TOP:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_UP);
break;
case SIDE_RIGHT:
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_RIGHT);
break;
case SIDE_BOTTOM:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_DOWN);
break;
case SIDE_LEFT:
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_LEFT);
break;
}
} else if (pac == ACTION_RESIZE_CORNER) {
switch (frozen_pointer->corner) {
case CORNER_TOP_LEFT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_UP);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_LEFT);
break;
case CORNER_TOP_RIGHT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_UP);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_RIGHT);
break;
case CORNER_BOTTOM_RIGHT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_DOWN);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_RIGHT);
break;
case CORNER_BOTTOM_LEFT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_DOWN);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_LEFT);
break;
}
}
if (frozen_pointer->horizontal_fence != NULL)
frozen_pointer->horizontal_ratio = frozen_pointer->horizontal_fence->split_ratio;
if (frozen_pointer->vertical_fence != NULL)
frozen_pointer->vertical_ratio = frozen_pointer->vertical_fence->split_ratio;
}
break;
case ACTION_NONE:
break;
}
} else {
if (pac == ACTION_FOCUS) {
monitor_t *m = monitor_from_point(pos);
if (m != NULL && m != mon)
focus_node(m, m->desk, m->desk->focus);
}
frozen_pointer->action = ACTION_NONE;
}
}
void track_pointer(int root_x, int root_y)
{
if (frozen_pointer->action == ACTION_NONE)
return;
int16_t delta_x, delta_y, x = 0, y = 0, w = 1, h = 1;
uint16_t width, height;
pointer_action_t pac = frozen_pointer->action;
monitor_t *m = frozen_pointer->monitor;
desktop_t *d = frozen_pointer->desktop;
node_t *n = frozen_pointer->node;
client_t *c = frozen_pointer->client;
xcb_window_t win = frozen_pointer->window;
xcb_rectangle_t rect = frozen_pointer->rectangle;
node_t *vertical_fence = frozen_pointer->vertical_fence;
node_t *horizontal_fence = frozen_pointer->horizontal_fence;
delta_x = root_x - frozen_pointer->position.x;
delta_y = root_y - frozen_pointer->position.y;
switch (pac) {
case ACTION_MOVE:
if (frozen_pointer->is_tiled) {
xcb_window_t pwin = XCB_NONE;
query_pointer(&pwin, NULL);
if (pwin == win)
return;
coordinates_t loc;
bool is_managed = (pwin == XCB_NONE ? false : locate_window(pwin, &loc));
if (is_managed && is_tiled(loc.node->client) && loc.monitor == m) {
swap_nodes(m, d, n, m, d, loc.node);
arrange(m, d);
} else {
if (is_managed && loc.monitor == m) {
return;
} else if (!is_managed) {
xcb_point_t pt = (xcb_point_t) {root_x, root_y};
monitor_t *pmon = monitor_from_point(pt);
if (pmon == NULL || pmon == m) {
return;
} else {
loc.monitor = pmon;
loc.desktop = pmon->desk;
}
}
bool focused = (n == mon->desk->focus);
transfer_node(m, d, n, loc.monitor, loc.desktop, loc.desktop->focus);
if (focused)
focus_node(loc.monitor, loc.desktop, n);
frozen_pointer->monitor = loc.monitor;
frozen_pointer->desktop = loc.desktop;
}
} else {
x = rect.x + delta_x;
y = rect.y + delta_y;
window_move(win, x, y);
c->floating_rectangle.x = x;
c->floating_rectangle.y = y;
xcb_point_t pt = (xcb_point_t) {root_x, root_y};
monitor_t *pmon = monitor_from_point(pt);
if (pmon == NULL || pmon == m)
return;
bool focused = (n == mon->desk->focus);
transfer_node(m, d, n, pmon, pmon->desk, pmon->desk->focus);
if (focused)
focus_node(pmon, pmon->desk, n);
frozen_pointer->monitor = pmon;
frozen_pointer->desktop = pmon->desk;
}
break;
case ACTION_RESIZE_SIDE:
case ACTION_RESIZE_CORNER:
if (frozen_pointer->is_tiled) {
if (vertical_fence != NULL) {
double sr = frozen_pointer->vertical_ratio + (double) delta_x / vertical_fence->rectangle.width;
sr = MAX(0, sr);
sr = MIN(1, sr);
vertical_fence->split_ratio = sr;
}
if (horizontal_fence != NULL) {
double sr = frozen_pointer->horizontal_ratio + (double) delta_y / horizontal_fence->rectangle.height;
sr = MAX(0, sr);
sr = MIN(1, sr);
horizontal_fence->split_ratio = sr;
}
arrange(mon, mon->desk);
} else {
if (pac == ACTION_RESIZE_SIDE) {
switch (frozen_pointer->side) {
case SIDE_TOP:
x = rect.x;
y = rect.y + delta_y;
w = rect.width;
h = rect.height - delta_y;
break;
case SIDE_RIGHT:
x = rect.x;
y = rect.y;
w = rect.width + delta_x;
h = rect.height;
break;
case SIDE_BOTTOM:
x = rect.x;
y = rect.y;
w = rect.width;
h = rect.height + delta_y;
break;
case SIDE_LEFT:
x = rect.x + delta_x;
y = rect.y;
w = rect.width - delta_x;
h = rect.height;
break;
}
width = MAX(1, w);
height = MAX(1, h);
window_move_resize(win, x, y, width, height);
c->floating_rectangle = (xcb_rectangle_t) {x, y, width, height};
window_draw_border(n, d->focus == n, mon == m);
} else if (pac == ACTION_RESIZE_CORNER) {
switch (frozen_pointer->corner) {
case CORNER_TOP_LEFT:
x = rect.x + delta_x;
y = rect.y + delta_y;
w = rect.width - delta_x;
h = rect.height - delta_y;
break;
case CORNER_TOP_RIGHT:
x = rect.x;
y = rect.y + delta_y;
w = rect.width + delta_x;
h = rect.height - delta_y;
break;
case CORNER_BOTTOM_LEFT:
x = rect.x + delta_x;
y = rect.y;
w = rect.width - delta_x;
h = rect.height + delta_y;
break;
case CORNER_BOTTOM_RIGHT:
x = rect.x;
y = rect.y;
w = rect.width + delta_x;
h = rect.height + delta_y;
break;
}
width = MAX(1, w);
height = MAX(1, h);
window_move_resize(win, x, y, width, height);
c->floating_rectangle = (xcb_rectangle_t) {x, y, width, height};
window_draw_border(n, d->focus == n, mon == m);
}
}
break;
case ACTION_FOCUS:
case ACTION_NONE:
break;
}
}
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