141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "windows7thumbbar.h"
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#include <QAction>
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#include <QtDebug>
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#ifdef Q_OS_WIN32
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# define _WIN32_WINNT 0x0600
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# include <windows.h>
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# include <commctrl.h>
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# include <shobjidl.h>
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#endif // Q_OS_WIN32
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const int Windows7ThumbBar::kIconSize = 16;
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const int Windows7ThumbBar::kMaxButtonCount = 7;
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Windows7ThumbBar::Windows7ThumbBar(QWidget* widget)
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: QObject(widget),
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widget_(widget),
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button_created_message_id_(0),
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taskbar_list_(NULL)
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{
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}
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void Windows7ThumbBar::SetActions(const QList<QAction*>& actions) {
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#ifdef Q_OS_WIN32
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Q_ASSERT(actions.count() <= kMaxButtonCount);
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actions_ = actions;
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foreach (QAction* action, actions) {
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if (action) {
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connect(action, SIGNAL(changed()), SLOT(ActionChanged()));
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}
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}
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#endif // Q_OS_WIN32
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}
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#ifdef Q_OS_WIN32
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static void SetupButton(const QAction* action, THUMBBUTTON* button) {
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if (action) {
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button->hIcon = action->icon().pixmap(Windows7ThumbBar::kIconSize).toWinHICON();
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button->dwFlags = action->isEnabled() ? THBF_ENABLED : THBF_DISABLED;
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action->text().toWCharArray(button->szTip);
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button->szTip[action->text().count()] = '\0';
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if (!action->isVisible()) {
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button->dwFlags = THUMBBUTTONFLAGS(button->dwFlags | THBF_HIDDEN);
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}
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} else {
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button->hIcon = 0;
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button->szTip[0] = '\0';
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button->dwFlags = THBF_NOBACKGROUND;
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}
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}
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#endif // Q_OS_WIN32
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void Windows7ThumbBar::HandleWinEvent(MSG* msg) {
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#ifdef Q_OS_WIN32
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if (button_created_message_id_ == 0) {
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// Compute the value for the TaskbarButtonCreated message
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button_created_message_id_ = RegisterWindowMessage("TaskbarButtonCreated");
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}
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if (msg->message == button_created_message_id_) {
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if (!taskbar_list_) {
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// Create the taskbar list for the first time
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if (CoCreateInstance(CLSID_ITaskbarList, NULL, CLSCTX_ALL,
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IID_ITaskbarList3, (void**) &taskbar_list_)) {
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qWarning() << "Error creating the ITaskbarList3 interface";
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return;
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}
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ITaskbarList3* taskbar_list = reinterpret_cast<ITaskbarList3*>(taskbar_list_);
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if (taskbar_list->HrInit()) {
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taskbar_list->Release();
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taskbar_list_ = NULL;
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return;
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}
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// Add the buttons
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THUMBBUTTON buttons[kMaxButtonCount];
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for (int i=0 ; i<actions_.count() ; ++i) {
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const QAction* action = actions_[i];
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THUMBBUTTON* button = &buttons[i];
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button->dwMask = THUMBBUTTONMASK(THB_ICON | THB_TOOLTIP | THB_FLAGS);
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button->iId = i;
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SetupButton(action, button);
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}
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taskbar_list->ThumbBarAddButtons(widget_->winId(), actions_.count(), buttons);
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}
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} else if (msg->message == WM_COMMAND) {
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const int button_id = LOWORD(msg->wParam);
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if (button_id >= 0 && button_id < actions_.count()) {
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actions_[button_id]->activate(QAction::Trigger);
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}
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}
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#endif // Q_OS_WIN32
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}
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void Windows7ThumbBar::ActionChanged() {
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#ifdef Q_OS_WIN32
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if (!taskbar_list_)
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return;
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ITaskbarList3* taskbar_list = reinterpret_cast<ITaskbarList3*>(taskbar_list_);
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THUMBBUTTON buttons[kMaxButtonCount];
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for (int i=0 ; i<actions_.count() ; ++i) {
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const QAction* action = actions_[i];
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THUMBBUTTON* button = &buttons[i];
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button->dwMask = THUMBBUTTONMASK(THB_ICON | THB_TOOLTIP | THB_FLAGS);
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button->iId = i;
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SetupButton(action, button);
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}
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taskbar_list->ThumbBarUpdateButtons(widget_->winId(), actions_.count(), buttons);
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#endif // Q_OS_WIN32
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}
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