rawTherapee/rtgui/lwbuttonset.cc
2019-09-10 12:34:57 +02:00

187 lines
3.9 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee 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 3 of the License, or
* (at your option) any later version.
*
* RawTherapee 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 RawTherapee. If not, see <https://www.gnu.org/licenses/>.
*/
#include "lwbuttonset.h"
LWButtonSet::LWButtonSet () : aw(0), ah(0), ax(-1), ay(-1)
{
}
LWButtonSet::~LWButtonSet ()
{
for (const auto entry : buttons) {
delete entry;
}
}
void LWButtonSet::add (LWButton* b)
{
buttons.push_back (b);
}
void LWButtonSet::getMinimalDimensions (int& w, int& h) const
{
w = 0;
h = 0;
for (const auto entry : buttons) {
int bw, bh;
entry->getSize(bw, bh);
w += bw;
h = std::max(bh, h);
}
}
void LWButtonSet::arrangeButtons (int x, int y, int w, int h)
{
if (x == ax && y == ay && w == aw && (h == -1 || h == ah )) {
return;
}
int mw, mh;
getMinimalDimensions (mw, mh);
if (w < 0) {
w = mw;
}
if (h < 0) {
h = mh;
}
int begx = x;
int endx = x + w - 1;
for (size_t i = 0; i < buttons.size(); i++) {
LWButton::Alignment halign, valign;
int bx = 0, by = 0, bw = 0, bh = 0;
buttons[i]->getSize (bw, bh);
buttons[i]->getAlignment (halign, valign);
if (halign == LWButton::Left) {
bx = begx;
begx += bw;
} else if (halign == LWButton::Right) {
bx = endx - bw;
endx -= bw;
}
if (valign == LWButton::Top) {
by = y;
} else if (valign == LWButton::Bottom) {
by = y + h - bh - 1;
} else if (valign == LWButton::Center) {
by = y + (h - bh) / 2;
}
buttons[i]->setPosition (bx, by);
}
aw = w;
ah = h;
ax = x;
ay = y;
}
void LWButtonSet::move (int nx, int ny)
{
for (const auto entry : buttons) {
entry->addPosition(nx - ax, ny - ay);
}
ax = nx;
ay = ny;
}
void LWButtonSet::redraw (Cairo::RefPtr<Cairo::Context> context)
{
for (const auto entry : buttons) {
entry->redraw(context);
}
}
bool LWButtonSet::motionNotify (int x, int y)
{
bool res = false;
for (const auto entry : buttons) {
res = entry->motionNotify(x, y) || res;
}
return res;
}
bool LWButtonSet::pressNotify (int x, int y)
{
bool res = false;
for (const auto entry : buttons) {
res = entry->pressNotify(x, y) || res;
}
return res;
}
bool LWButtonSet::releaseNotify (int x, int y)
{
bool res = false;
for (const auto entry : buttons) {
res = entry->releaseNotify(x, y) || res;
}
return res;
}
bool LWButtonSet::inside (int x, int y) const
{
for (const auto entry : buttons) {
if (entry->inside(x, y)) {
return true;
}
}
return false;
}
void LWButtonSet::setButtonListener (LWButtonListener* bl)
{
for (const auto entry : buttons) {
entry->setButtonListener(bl);
}
}
void LWButtonSet::getAllocatedDimensions (int& w, int& h) const
{
w = aw;
h = ah;
}
void LWButtonSet::setColors (const Gdk::RGBA& bg, const Gdk::RGBA& fg)
{
for (const auto entry : buttons) {
entry->setColors(bg, fg);
}
}
Glib::ustring LWButtonSet::getToolTip (int x, int y) const
{
for (const auto entry : buttons) {
const auto ttip = entry->getToolTip(x, y);
if (!ttip.empty()) {
return ttip;
}
}
return {};
}