203 lines
5.7 KiB
C++
203 lines
5.7 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2020-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QObject>
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#include <QWidget>
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#include <QList>
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#include <QPixmap>
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#include <QAction>
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#include <QTimer>
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#include <QtDebug>
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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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extern HICON qt_pixmapToWinHICON(const QPixmap &p);
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#include "core/logging.h"
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#include "windows7thumbbar.h"
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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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timer_(new QTimer(this)),
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button_created_message_id_(0),
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taskbar_list_(nullptr) {
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timer_->setSingleShot(true);
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timer_->setInterval(300);
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QObject::connect(timer_, &QTimer::timeout, this, &Windows7ThumbBar::ActionChanged);
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}
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void Windows7ThumbBar::SetActions(const QList<QAction*> &actions) {
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qLog(Debug) << "Setting actions";
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Q_ASSERT(actions.count() <= kMaxButtonCount);
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actions_ = actions;
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for (QAction *action : actions) {
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if (action) {
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QObject::connect(action, &QAction::changed, this, &Windows7ThumbBar::ActionChangedTriggered);
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}
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}
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qLog(Debug) << "Done";
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}
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ITaskbarList3 *Windows7ThumbBar::CreateTaskbarList() {
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ITaskbarList3 *taskbar_list = nullptr;
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// Copied from win7 SDK shobjidl.h
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static const GUID CLSID_ITaskbarList = { 0x56FDF344, 0xFD6D, 0x11d0, { 0x95, 0x8A, 0x00, 0x60, 0x97, 0xC9, 0xA0, 0x90 } };
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// Create the taskbar list
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HRESULT hr = CoCreateInstance(CLSID_ITaskbarList, nullptr, CLSCTX_ALL, IID_ITaskbarList3, reinterpret_cast<void**>(&taskbar_list));
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if (hr != S_OK) {
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qLog(Warning) << "Error creating the ITaskbarList3 interface" << Qt::hex << DWORD(hr);
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return nullptr;
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}
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hr = taskbar_list->HrInit();
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if (hr != S_OK) {
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qLog(Warning) << "Error initializing taskbar list" << Qt::hex << DWORD(hr);
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taskbar_list->Release();
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return nullptr;
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}
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return taskbar_list;
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}
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void Windows7ThumbBar::SetupButton(const QAction *action, THUMBBUTTON *button) {
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if (action) {
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button->hIcon = qt_pixmapToWinHICON(action->icon().pixmap(Windows7ThumbBar::kIconSize));
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button->dwFlags = action->isEnabled() ? THBF_ENABLED : THBF_DISABLED;
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// This is unsafe - doesn't obey 260-char restriction
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action->text().toWCharArray(button->szTip);
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button->szTip[action->text().count()] = L'\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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button->dwMask = THUMBBUTTONMASK(THB_ICON | THB_TOOLTIP | THB_FLAGS);
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}
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else {
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button->hIcon = nullptr;
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button->szTip[0] = L'\0';
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button->dwFlags = THBF_NOBACKGROUND;
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button->dwMask = THUMBBUTTONMASK(THB_FLAGS);
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}
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}
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void Windows7ThumbBar::HandleWinEvent(MSG *msg) {
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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_ = RegisterWindowMessageA(LPCSTR("TaskbarButtonCreated"));
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qLog(Debug) << "TaskbarButtonCreated message ID registered" << button_created_message_id_;
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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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taskbar_list_->Release();
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}
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taskbar_list_ = CreateTaskbarList();
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if (!taskbar_list_) return;
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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->iId = i;
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SetupButton(action, button);
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}
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qLog(Debug) << "Adding" << actions_.count() << "buttons";
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HRESULT hr = taskbar_list_->ThumbBarAddButtons(reinterpret_cast<HWND>(widget_->winId()), actions_.count(), buttons);
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if (hr != S_OK) {
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qLog(Debug) << "Failed to add buttons" << Qt::hex << DWORD(hr);
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}
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for (int i = 0; i < actions_.count(); ++i) {
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if (buttons[i].hIcon) {
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DestroyIcon(buttons[i].hIcon);
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}
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}
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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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if (actions_[button_id]) {
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qLog(Debug) << "Button activated";
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actions_[button_id]->activate(QAction::Trigger);
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}
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}
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}
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}
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void Windows7ThumbBar::ActionChangedTriggered() {
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if (!timer_->isActive()) timer_->start();
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}
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void Windows7ThumbBar::ActionChanged() {
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if (!taskbar_list_) return;
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qLog(Debug) << "Updating" << actions_.count() << "buttons";
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THUMBBUTTON buttons[kMaxButtonCount];
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for (int i = 0; i < actions_.count(); ++i) {
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QAction *action = actions_[i];
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THUMBBUTTON *button = &buttons[i];
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button->iId = i;
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SetupButton(action, button);
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}
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HRESULT hr = taskbar_list_->ThumbBarUpdateButtons(reinterpret_cast<HWND>(widget_->winId()), actions_.count(), buttons);
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if (hr != S_OK) {
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qLog(Debug) << "Failed to update buttons" << Qt::hex << DWORD(hr);
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}
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for (int i = 0; i < actions_.count(); ++i) {
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if (buttons[i].hIcon) {
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DestroyIcon(buttons[i].hIcon);
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}
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}
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}
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