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/***************************************************************************
* Copyright (C) 2008-2012 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <cassert>
#include "screen.h"
#include "global.h"
using Global::myScreen;
using Global::myLockedScreen;
using Global::myInactiveScreen;
namespace
{
void DrawScreenSeparator(int x)
{
attron(COLOR_PAIR(Config.main_color));
mvvline(Global::MainStartY, x, 0, Global::MainHeight);
attroff(COLOR_PAIR(Config.main_color));
refresh();
}
}
void ApplyToVisibleWindows(void (BasicScreen::*f)())
{
if (myLockedScreen && myScreen->isMergable())
{
if (myScreen == myLockedScreen)
{
if (myInactiveScreen)
(myInactiveScreen->*f)();
}
else
(myLockedScreen->*f)();
}
(myScreen->*f)();
}
void UpdateInactiveScreen(BasicScreen *screen_to_be_set)
{
if (myInactiveScreen && myLockedScreen != myInactiveScreen && myLockedScreen == screen_to_be_set)
{
// if we're here, the following conditions are (or at least should be) met:
// 1. screen is split (myInactiveScreen is not null)
// 2. current screen (myScreen) is not splittable, ie. is stacked on top of split screens
// 3. current screen was activated while master screen was active
// 4. we are returning to master screen
// in such case we want to keep slave screen visible, so we never set it to null
// as in "else" case. we also need to refresh it and redraw separator between
// them as stacked screen probably has overwritten part ot it.
myInactiveScreen->Refresh();
DrawScreenSeparator(COLS*Config.locked_screen_width_part);
}
else
{
if (myLockedScreen == screen_to_be_set)
myInactiveScreen = 0;
else
myInactiveScreen = myLockedScreen;
}
}
bool isVisible(BasicScreen *screen)
{
assert(screen != 0);
if (myLockedScreen && myScreen->isMergable())
return screen == myScreen || screen == myInactiveScreen || screen == myLockedScreen;
else
return screen == myScreen;
}
void BasicScreen::GetWindowResizeParams(size_t &x_offset, size_t &width, bool adjust_locked_screen)
{
width = COLS;
x_offset = 0;
if (myLockedScreen && myInactiveScreen)
{
size_t locked_width = COLS*Config.locked_screen_width_part;
if (myLockedScreen == this)
width = locked_width;
else
{
width = COLS-locked_width-1;
x_offset = locked_width+1;
if (adjust_locked_screen)
{
myLockedScreen->Resize();
myLockedScreen->Refresh();
DrawScreenSeparator(x_offset-1);
}
}
}
}
bool BasicScreen::Lock()
{
if (myLockedScreen)
return false;
if (isLockable())
{
myLockedScreen = this;
return true;
}
else
return false;
}
void BasicScreen::Unlock()
{
if (myInactiveScreen && myInactiveScreen != myLockedScreen)
myScreen = myInactiveScreen;
myLockedScreen->SwitchTo();
myLockedScreen = 0;
myInactiveScreen = 0;
}
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