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fmoved windows message handlers into their own functions

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fourtf 2018-07-03 13:04:27 +02:00
parent eb809d1572
commit 9f6d09db7c
2 changed files with 251 additions and 209 deletions
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448
src/widgets/BaseWindow.cpp
View file

@ -410,240 +410,50 @@ void BaseWindow::moveIntoDesktopRect(QWidget *parent)
this->move(p);
}
#ifdef USEWINSDK
bool BaseWindow::nativeEvent(const QByteArray &eventType, void *message, long *result)
{
#ifdef USEWINSDK
MSG *msg = reinterpret_cast<MSG *>(message);
switch (msg->message) {
case WM_DPICHANGED: {
int dpi = HIWORD(msg->wParam);
case WM_DPICHANGED:
return handleDPICHANGED(msg);
float _scale = dpi / 96.f;
case WM_SHOWWINDOW:
return this->handleSHOWWINDOW(msg);
static bool firstResize = true;
case WM_NCCALCSIZE:
return this->handleNCCALCSIZE(msg, result);
if (!firstResize) {
auto *prcNewWindow = reinterpret_cast<RECT *>(msg->lParam);
SetWindowPos(msg->hwnd, nullptr, prcNewWindow->left, prcNewWindow->top,
prcNewWindow->right - prcNewWindow->left,
prcNewWindow->bottom - prcNewWindow->top,
SWP_NOZORDER | SWP_NOACTIVATE);
}
firstResize = false;
case WM_SIZE:
return this->handleSIZE(msg);
this->nativeScale_ = _scale;
this->updateScale();
case WM_NCHITTEST:
return this->handleNCHITTEST(msg, result);
return true;
}
case WM_SHOWWINDOW: {
if (auto dpi = getWindowDpi(msg->hwnd)) {
this->nativeScale_ = dpi.get() / 96.f;
this->updateScale();
}
if (!this->shown_ && this->isVisible() && this->hasCustomWindowFrame()) {
this->shown_ = true;
// SetWindowLongPtr((HWND)this->winId(), GWL_STYLE,
// WS_POPUP | WS_CAPTION | WS_THICKFRAME | WS_MAXIMIZEBOX |
// WS_MINIMIZEBOX);
const MARGINS shadow = {8, 8, 8, 8};
DwmExtendFrameIntoClientArea(HWND(this->winId()), &shadow);
}
return true;
}
case WM_NCCALCSIZE: {
if (this->hasCustomWindowFrame()) {
// int cx = GetSystemMetrics(SM_CXSIZEFRAME);
// int cy = GetSystemMetrics(SM_CYSIZEFRAME);
if (msg->wParam == TRUE) {
NCCALCSIZE_PARAMS *ncp = (reinterpret_cast<NCCALCSIZE_PARAMS *>(msg->lParam));
ncp->lppos->flags |= SWP_NOREDRAW;
RECT *clientRect = &ncp->rgrc[0];
// if (IsWindows10OrGreater()) {
// clientRect->left += cx;
// clientRect->top += 0;
// clientRect->right -= cx;
// clientRect->bottom -= cy;
// } else {
clientRect->left += 1;
clientRect->top += 0;
clientRect->right -= 1;
clientRect->bottom -= 1;
// }
}
*result = 0;
return true;
} else {
return QWidget::nativeEvent(eventType, message, result);
}
} break;
case WM_SIZE: {
if (this->ui_.windowLayout) {
if (this->hasCustomWindowFrame() && !this->frameless_) {
if (msg->wParam == SIZE_MAXIMIZED) {
auto offset = int(this->getScale() * 8);
this->ui_.windowLayout->setContentsMargins(offset, offset, offset, offset);
} else {
this->ui_.windowLayout->setContentsMargins(0, 1, 0, 0);
}
}
}
return QWidget::nativeEvent(eventType, message, result);
}
case WM_NCHITTEST: {
const LONG border_width = 8; // in pixels
RECT winrect;
GetWindowRect(HWND(winId()), &winrect);
long x = GET_X_LPARAM(msg->lParam);
long y = GET_Y_LPARAM(msg->lParam);
QPoint point(x - winrect.left, y - winrect.top);
if (this->hasCustomWindowFrame()) {
*result = 0;
bool resizeWidth = minimumWidth() != maximumWidth();
bool resizeHeight = minimumHeight() != maximumHeight();
if (resizeWidth) {
// left border
if (x < winrect.left + border_width) {
*result = HTLEFT;
}
// right border
if (x >= winrect.right - border_width) {
*result = HTRIGHT;
}
}
if (resizeHeight) {
// bottom border
if (y >= winrect.bottom - border_width) {
*result = HTBOTTOM;
}
// top border
if (y < winrect.top + border_width) {
*result = HTTOP;
}
}
if (resizeWidth && resizeHeight) {
// bottom left corner
if (x >= winrect.left && x < winrect.left + border_width &&
y < winrect.bottom && y >= winrect.bottom - border_width) {
*result = HTBOTTOMLEFT;
}
// bottom right corner
if (x < winrect.right && x >= winrect.right - border_width &&
y < winrect.bottom && y >= winrect.bottom - border_width) {
*result = HTBOTTOMRIGHT;
}
// top left corner
if (x >= winrect.left && x < winrect.left + border_width && y >= winrect.top &&
y < winrect.top + border_width) {
*result = HTTOPLEFT;
}
// top right corner
if (x < winrect.right && x >= winrect.right - border_width &&
y >= winrect.top && y < winrect.top + border_width) {
*result = HTTOPRIGHT;
}
}
if (*result == 0) {
bool client = false;
for (QWidget *widget : this->ui_.buttons) {
if (widget->geometry().contains(point)) {
client = true;
}
}
if (this->ui_.layoutBase->geometry().contains(point)) {
client = true;
}
if (client) {
*result = HTCLIENT;
} else {
*result = HTCAPTION;
}
}
return true;
} else if (this->flags_ & FramelessDraggable) {
*result = 0;
bool client = false;
if (auto widget = this->childAt(point)) {
std::function<bool(QWidget *)> recursiveCheckMouseTracking;
recursiveCheckMouseTracking = [&](QWidget *widget) {
if (widget == nullptr) {
return false;
}
if (widget->hasMouseTracking()) {
return true;
}
return recursiveCheckMouseTracking(widget->parentWidget());
};
if (recursiveCheckMouseTracking(widget)) {
client = true;
}
}
if (client) {
*result = HTCLIENT;
} else {
*result = HTCAPTION;
}
return true;
} else {
return QWidget::nativeEvent(eventType, message, result);
}
break;
}
default:
return QWidget::nativeEvent(eventType, message, result);
}
#endif
}
void BaseWindow::scaleChangedEvent(float)
{
#ifdef USEWINSDK
this->calcButtonsSizes();
}
#endif
}
void BaseWindow::paintEvent(QPaintEvent *)
{
if (this->frameless_) {
QPainter painter(this);
QPainter painter(this);
if (this->frameless_) {
painter.setPen(QColor("#999"));
painter.drawRect(0, 0, this->width() - 1, this->height() - 1);
}
#ifdef USEWINSDK
if (this->hasCustomWindowFrame()) {
QPainter painter(this);
// bool windowFocused = this->window() == QApplication::activeWindow();
painter.fillRect(QRect(0, 1, this->width() - 0, this->height() - 0),
this->themeManager->window.background);
}
#endif
this->drawCustomWindowFrame(painter);
}
void BaseWindow::updateScale()
@ -662,6 +472,7 @@ void BaseWindow::calcButtonsSizes()
if (!this->shown_) {
return;
}
if ((this->width() / this->getScale()) < 300) {
if (this->ui_.minButton)
this->ui_.minButton->setScaleIndependantSize(30, 30);
@ -679,4 +490,227 @@ void BaseWindow::calcButtonsSizes()
}
}
void BaseWindow::drawCustomWindowFrame(QPainter &painter)
{
#ifdef USEWINSDK
if (this->hasCustomWindowFrame()) {
QPainter painter(this);
painter.fillRect(QRect(0, 1, this->width() - 0, this->height() - 0),
this->themeManager->window.background);
}
#endif
}
bool BaseWindow::handleDPICHANGED(MSG *msg)
{
#ifdef USEWINSDK
int dpi = HIWORD(msg->wParam);
float _scale = dpi / 96.f;
static bool firstResize = true;
if (!firstResize) {
auto *prcNewWindow = reinterpret_cast<RECT *>(msg->lParam);
SetWindowPos(msg->hwnd, nullptr, prcNewWindow->left, prcNewWindow->top,
prcNewWindow->right - prcNewWindow->left,
prcNewWindow->bottom - prcNewWindow->top, SWP_NOZORDER | SWP_NOACTIVATE);
}
firstResize = false;
this->nativeScale_ = _scale;
this->updateScale();
return true;
#endif
return false;
}
bool BaseWindow::handleSHOWWINDOW(MSG *msg)
{
#ifdef USEWINSDK
if (auto dpi = getWindowDpi(msg->hwnd)) {
this->nativeScale_ = dpi.get() / 96.f;
this->updateScale();
}
if (!this->shown_ && this->isVisible() && this->hasCustomWindowFrame()) {
this->shown_ = true;
const MARGINS shadow = {8, 8, 8, 8};
DwmExtendFrameIntoClientArea(HWND(this->winId()), &shadow);
}
return true;
#endif
return false;
}
bool BaseWindow::handleNCCALCSIZE(MSG *msg, long *result)
{
#ifdef USEWINSDK
if (this->hasCustomWindowFrame()) {
// int cx = GetSystemMetrics(SM_CXSIZEFRAME);
// int cy = GetSystemMetrics(SM_CYSIZEFRAME);
if (msg->wParam == TRUE) {
NCCALCSIZE_PARAMS *ncp = (reinterpret_cast<NCCALCSIZE_PARAMS *>(msg->lParam));
ncp->lppos->flags |= SWP_NOREDRAW;
RECT *clientRect = &ncp->rgrc[0];
clientRect->left += 1;
clientRect->top += 0;
clientRect->right -= 1;
clientRect->bottom -= 1;
}
*result = 0;
return true;
}
#endif
return false;
}
bool BaseWindow::handleSIZE(MSG *msg)
{
#ifdef USEWINSDK
if (this->ui_.windowLayout) {
if (this->hasCustomWindowFrame() && !this->frameless_) {
if (msg->wParam == SIZE_MAXIMIZED) {
auto offset = int(this->getScale() * 8);
this->ui_.windowLayout->setContentsMargins(offset, offset, offset, offset);
} else {
this->ui_.windowLayout->setContentsMargins(0, 1, 0, 0);
}
}
}
#endif
return false;
}
bool BaseWindow::handleNCHITTEST(MSG *msg, long *result)
{
#ifdef USEWINSDK
const LONG border_width = 8; // in pixels
RECT winrect;
GetWindowRect(HWND(winId()), &winrect);
long x = GET_X_LPARAM(msg->lParam);
long y = GET_Y_LPARAM(msg->lParam);
QPoint point(x - winrect.left, y - winrect.top);
if (this->hasCustomWindowFrame()) {
*result = 0;
bool resizeWidth = minimumWidth() != maximumWidth();
bool resizeHeight = minimumHeight() != maximumHeight();
if (resizeWidth) {
// left border
if (x < winrect.left + border_width) {
*result = HTLEFT;
}
// right border
if (x >= winrect.right - border_width) {
*result = HTRIGHT;
}
}
if (resizeHeight) {
// bottom border
if (y >= winrect.bottom - border_width) {
*result = HTBOTTOM;
}
// top border
if (y < winrect.top + border_width) {
*result = HTTOP;
}
}
if (resizeWidth && resizeHeight) {
// bottom left corner
if (x >= winrect.left && x < winrect.left + border_width && y < winrect.bottom &&
y >= winrect.bottom - border_width) {
*result = HTBOTTOMLEFT;
}
// bottom right corner
if (x < winrect.right && x >= winrect.right - border_width && y < winrect.bottom &&
y >= winrect.bottom - border_width) {
*result = HTBOTTOMRIGHT;
}
// top left corner
if (x >= winrect.left && x < winrect.left + border_width && y >= winrect.top &&
y < winrect.top + border_width) {
*result = HTTOPLEFT;
}
// top right corner
if (x < winrect.right && x >= winrect.right - border_width && y >= winrect.top &&
y < winrect.top + border_width) {
*result = HTTOPRIGHT;
}
}
if (*result == 0) {
bool client = false;
for (QWidget *widget : this->ui_.buttons) {
if (widget->geometry().contains(point)) {
client = true;
}
}
if (this->ui_.layoutBase->geometry().contains(point)) {
client = true;
}
if (client) {
*result = HTCLIENT;
} else {
*result = HTCAPTION;
}
}
return true;
} else if (this->flags_ & FramelessDraggable) {
*result = 0;
bool client = false;
if (auto widget = this->childAt(point)) {
std::function<bool(QWidget *)> recursiveCheckMouseTracking;
recursiveCheckMouseTracking = [&](QWidget *widget) {
if (widget == nullptr) {
return false;
}
if (widget->hasMouseTracking()) {
return true;
}
return recursiveCheckMouseTracking(widget->parentWidget());
};
if (recursiveCheckMouseTracking(widget)) {
client = true;
}
}
if (client) {
*result = HTCLIENT;
} else {
*result = HTCAPTION;
}
return true;
}
#endif
return false;
}
} // namespace chatterino

12
src/widgets/BaseWindow.hpp
View file

@ -7,6 +7,8 @@
#include <pajlada/signals/signalholder.hpp>
class QHBoxLayout;
struct tagMSG;
typedef struct tagMSG MSG;
namespace chatterino {
@ -30,6 +32,7 @@ public:
};
explicit BaseWindow(QWidget *parent = nullptr, Flags flags_ = None);
virtual ~BaseWindow() = default;
QWidget *getLayoutContainer();
bool hasCustomWindowFrame();
@ -46,10 +49,8 @@ public:
Flags getFlags();
protected:
#ifdef USEWINSDK
virtual bool nativeEvent(const QByteArray &eventType, void *message, long *result) override;
virtual void scaleChangedEvent(float) override;
#endif
virtual void paintEvent(QPaintEvent *) override;
@ -73,6 +74,13 @@ private:
void init();
void moveIntoDesktopRect(QWidget *parent);
void calcButtonsSizes();
void drawCustomWindowFrame(QPainter &painter);
bool handleDPICHANGED(MSG *msg);
bool handleSHOWWINDOW(MSG *msg);
bool handleNCCALCSIZE(MSG *msg, long *result);
bool handleSIZE(MSG *msg);
bool handleNCHITTEST(MSG *msg, long *result);
bool enableCustomFrame_;
bool frameless_;