95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "panelfocusmanager.h"
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PanelFocusManager* olive::panel_focus_manager = nullptr;
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PanelFocusManager::PanelFocusManager(QObject *parent) :
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QObject(parent)
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{
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}
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PanelWidget *PanelFocusManager::CurrentlyFocused()
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{
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if (focus_history_.isEmpty()) {
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return nullptr;
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}
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return focus_history_.first();
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}
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void PanelFocusManager::FocusChanged(QWidget *old, QWidget *now)
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{
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Q_UNUSED(old)
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QObject* parent = now;
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PanelWidget* panel_cast_test;
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// Loop through widget's parent hierarchy
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while (parent != nullptr) {
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// Use dynamic_cast to test if this object is a PanelWidget
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panel_cast_test = dynamic_cast<PanelWidget*>(parent);
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if (panel_cast_test != nullptr) {
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// If so, bump this to the top of the focus history
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int panel_index = focus_history_.indexOf(panel_cast_test);
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// Force the old panel to repaint (if there is one) so it hides its border
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if (!focus_history_.isEmpty()) {
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focus_history_.first()->SetBorderVisible(false);
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}
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// If it's not in the focus history, prepend it, otherwise move it
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if (panel_index == -1) {
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focus_history_.prepend(panel_cast_test);
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} else {
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focus_history_.move(panel_index, 0);
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}
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// Force the panel to repaint so it shows a border
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panel_cast_test->SetBorderVisible(true);
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break;
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}
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parent = parent->parent();
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}
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}
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template<typename T>
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T *PanelFocusManager::MostRecentlyFocused()
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{
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T* cast_test;
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for (int i=0;i<focus_history_.size();i++) {
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cast_test = dynamic_cast<T*>(focus_history_.at(i));
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if (cast_test != nullptr) {
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return cast_test;
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}
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}
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return nullptr;
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}
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