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// RowSmartPlacement.cc
// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "RowSmartPlacement.hh"
#include "FocusControl.hh"
#include "Window.hh"
#include "Screen.hh"
#include "ScreenPlacement.hh"
bool RowSmartPlacement::placeWindow(const FluxboxWindow &win, int head,
int &place_x, int &place_y) {
std::list<FluxboxWindow *> windowlist;
const std::list<Focusable *> focusables =
win.screen().focusControl().focusedOrderWinList().clientList();
std::list<Focusable *>::const_iterator foc_it = focusables.begin(),
foc_it_end = focusables.end();
unsigned int workspace = win.workspaceNumber();
for (; foc_it != foc_it_end; ++foc_it) {
// make sure it's a FluxboxWindow
if (*foc_it == (*foc_it)->fbwindow() &&
(workspace == (*foc_it)->fbwindow()->workspaceNumber() ||
(*foc_it)->fbwindow()->isStuck()))
windowlist.push_back((*foc_it)->fbwindow());
}
bool placed = false;
int next_x, next_y;
// view (screen + head) constraints
int head_left = (signed) win.screen().maxLeft(head);
int head_right = (signed) win.screen().maxRight(head);
int head_top = (signed) win.screen().maxTop(head);
int head_bot = (signed) win.screen().maxBottom(head);
const ScreenPlacement &screen_placement = win.screen().placementStrategy();
bool top_bot =
screen_placement.colDirection() == TOPBOTTOMDIRECTION;
bool left_right =
screen_placement.rowDirection() == LEFTRIGHTDIRECTION;
int change_x = 1, change_y = 1;
if (screen_placement.colDirection() == BOTTOMTOPDIRECTION)
change_y = -1;
if (screen_placement.rowDirection() == RIGHTLEFTDIRECTION)
change_x = -1;
int win_w = win.width() + win.fbWindow().borderWidth()*2 + win.widthOffset();
int win_h = win.height() + win.fbWindow().borderWidth()*2 + win.heightOffset();
int x_off = win.xOffset();
int y_off = win.yOffset();
int test_y;
if (top_bot)
test_y = head_top;
else
test_y = head_bot - win_h;
while (!placed &&
(top_bot ? test_y + win_h <= head_bot
: test_y >= head_top)) {
int test_x;
if (left_right)
test_x = head_left;
else
test_x = head_right - win_w;
// The trick here is that we set it to the furthest away one,
// then the code brings it back down to the safest one that
// we can go to (i.e. the next untested area)
if (top_bot)
next_y = head_bot; // will be shrunk
else
next_y = head_top-1;
while (!placed &&
(left_right ? test_x + win_w <= head_right
: test_x >= head_left)) {
placed = true;
next_x = test_x + change_x;
std::list<FluxboxWindow *>::const_iterator win_it =
windowlist.begin();
std::list<FluxboxWindow *>::const_iterator win_it_end =
windowlist.end();
for (; win_it != win_it_end && placed; ++win_it) {
FluxboxWindow &window = **win_it;
if (&window == &win) continue;
int curr_x = window.x() - window.xOffset(); // minus offset to get back up to fake place
int curr_y = window.y() - window.yOffset();
int curr_w = window.width() + window.fbWindow().borderWidth()*2 + window.widthOffset();
int curr_h = window.height() + window.fbWindow().borderWidth()*2 + window.heightOffset();
if (curr_x < test_x + win_w &&
curr_x + curr_w > test_x &&
curr_y < test_y + win_h &&
curr_y + curr_h > test_y) {
// this window is in the way
placed = false;
// we find the next x that we can go to (a window will be in the way
// all the way to its far side)
if (left_right) {
if (curr_x + curr_w > next_x)
next_x = curr_x + curr_w;
} else {
if (curr_x - win_w < next_x)
next_x = curr_x - win_w;
}
// but we can only go to the nearest y, since that is where the
// next time current windows in the way will change
if (top_bot) {
if (curr_y + curr_h < next_y)
next_y = curr_y + curr_h;
} else {
if (curr_y - win_h > next_y)
next_y = curr_y - win_h;
}
}
}
if (placed) {
place_x = test_x + x_off;
place_y = test_y + y_off;
break;
}
test_x = next_x;
} // end while
test_y = next_y;
} // end while
return placed;
}
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