ZRCola/lib/wxExtend/src/appbar.cpp

828 lines
30 KiB
C++

/*
Copyright 2016 Amebis
This file is part of wxExtend.
wxExtend 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.
wxExtend 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 wxExtend. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
//////////////////////////////////////////////////////////////////////////
// wxAppBar
//////////////////////////////////////////////////////////////////////////
const UINT wxAppBar::WM_AB_NOTIFY = ::RegisterWindowMessage(_T("AppBarNotify"));
wxAppBar::wxAppBar() :
m_timerID(0),
m_taskbarList(NULL),
wxFrame()
{
}
wxAppBar::wxAppBar(wxWindow *parent, wxWindowID id, const wxString& title, wxState state, int flags, const wxPoint& pos, const wxSize& size, long style, const wxString& name) :
m_timerID(0),
m_taskbarList(NULL),
wxFrame()
{
Create(parent, id, title, state, flags, pos, size, style, name);
}
bool wxAppBar::Create(wxWindow *parent, wxWindowID id, const wxString& title, wxState state, int flags, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
{
// Save initial floating window size.
m_sizeFloat.cx = size.x;
m_sizeFloat.cy = size.y;
// Save initial docked window width/height.
m_sizeDocked.cx = size.x;
m_sizeDocked.cy = size.y;
// Save initial state and flags.
m_state = state;
m_stateDesired = wxSTATE_UNKNOWN;
m_flags = flags;
// Find the taskbar list's interface.
wxCHECK(SUCCEEDED(::CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_ALL, IID_ITaskbarList, (LPVOID*)&m_taskbarList)), false);
wxCHECK(SUCCEEDED(m_taskbarList->HrInit()), false);
// If any taskbar list tab's hiding is in affect, set application bar's style as tool window to avoid being displayed on the taskbar initially.
if (state == wxSTATE_FLOAT) {
if (flags & wxFLAG_HIDETASKBARTABWHENFLOATING) {
// Hide our application bar's entry on the Windows's taskbar.
style |= wxFRAME_TOOL_WINDOW;
} else if (flags & wxFLAG_HIDETASKBARTABWHENDOCKED) {
// Show our application bar's entry on the Windows's taskbar.
style &= ~wxFRAME_TOOL_WINDOW;
}
} else if (IsDocked(state)) {
if (flags & wxFLAG_HIDETASKBARTABWHENDOCKED) {
// Hide our application bar's entry on the Windows's taskbar.
style |= wxFRAME_TOOL_WINDOW;
} else if (flags & wxFLAG_HIDETASKBARTABWHENFLOATING) {
// Show our application bar's entry on the Windows's taskbar.
style &= ~wxFRAME_TOOL_WINDOW;
}
} else {
// Unknown state.
wxFAIL;
}
// Create frame.
wxCHECK(wxFrame::Create(parent, id, title, pos, size, style, name), false);
// Register our application bar.
APPBARDATA abd = { sizeof(abd), m_hWnd, WM_AB_NOTIFY, m_state };
wxCHECK(::SHAppBarMessage(ABM_NEW, &abd), false);
// Get the state of the Windows taskbar.
m_stateTaskBar = GetTaskBarState();
if (m_flags & wxFLAG_AUTOHIDETASKBAR) {
// Mimic the auto-hide state of taskbar.
SetAutoHide((m_stateTaskBar & ABS_AUTOHIDE) ? true : false);
}
if (m_flags & wxFLAG_ALWAYSONTOPTASKBAR) {
// Mimic the always-on-top state of taskbar.
SetAlwaysOnTop((m_stateTaskBar & ABS_ALWAYSONTOP) ? true : false);
}
return true;
}
wxAppBar::~wxAppBar()
{
wxASSERT(m_timerID == 0);
// Remove the application bar.
APPBARDATA abd = { sizeof(abd), m_hWnd };
wxVERIFY(::SHAppBarMessage(ABM_REMOVE, &abd));
if (m_taskbarList)
m_taskbarList->Release();
}
//bool wxAppBar::GetAppBarPlacement(LPAPPBARPLACEMENT lpPlacement) const
//{
// wxASSERT(lpPlacement);
//
// if (lpPlacement->dwSize >= sizeof(APPBARPLACEMENT1)) {
// lpPlacement->dwState = (DWORD)m_state;
// lpPlacement->dwFlags = m_flags;
// if (m_state == wxSTATE_FLOAT) {
// // Current application bar's rect is floating rect.
// lpPlacement->rcFloat = m_rect;
// } else if (IsDocked(m_state)) {
// // Application bar is docked. Calc floating rect from m_sizeFloat.
// lpPlacement->rcFloat.left = 0;
// lpPlacement->rcFloat.top = 0;
// lpPlacement->rcFloat.right = m_sizeFloat.cx;
// lpPlacement->rcFloat.bottom = m_sizeFloat.cy;
// } else {
// // Application bar's state is unknown.
// return false;
// }
// lpPlacement->szDocked = m_sizeDocked;
// }
//
// lpPlacement->dwSize = sizeof(*lpPlacement);
//
// return true;
//}
//
//
//bool wxAppBar::SetAppBarPlacement(LPCAPPBARPLACEMENT lpPlacement)
//{
// wxASSERT(lpPlacement);
//
// if (lpPlacement->dwSize >= sizeof(APPBARPLACEMENT1)) {
// if (lpPlacement->dwState != wxSTATE_FLOAT && !IsDocked(lpPlacement->dwState)) {
// // The state is unknown. Abort, before we mix up internal state.
// return false;
// }
//
// // Clean previous docking/auto-hide settings if required.
// if (IsDocked(m_state) &&
// (lpPlacement->dwState == wxSTATE_FLOAT || lpPlacement->dwState != m_state && IsDocked(lpPlacement->dwState)))
// {
// if (IsAutoHide())
// UnregisterAutoHide(m_state);
// else if (lpPlacement->dwState == wxSTATE_FLOAT)
// UndockAppBar();
// }
//
// // Update application bar's flags, size and position.
// m_flags |= wxFLAG_POSITIONSET;
// m_sizeDocked = lpPlacement->szDocked;
// if (lpPlacement->dwState == wxSTATE_FLOAT) {
// m_rect = lpPlacement->rcFloat;
// } else if (IsDocked(lpPlacement->dwState)) {
// m_sizeFloat.cx = lpPlacement->rcFloat.right - lpPlacement->rcFloat.left;
// m_sizeFloat.cy = lpPlacement->rcFloat.bottom - lpPlacement->rcFloat.top;
// GetDockedRect(lpPlacement->dwState, &m_rect);
// } else {
// // Application bar's state is unknown.
// wxFAIL;
// return false;
// }
//
// // Notify about the change of state.
// OnChangeState(lpPlacement->dwState);
// m_state = lpPlacement->dwState;
//
// SetAutoHide(lpPlacement->dwFlags & wxFLAG_AUTOHIDE);
// SetAlwaysOnTop(lpPlacement->dwFlags & wxFLAG_ALWAYSONTOP);
// }
//
// return true;
//}
void wxAppBar::MinimiseToEdge(wxState edge, wxWindow *wnd)
{
wxASSERT(IsDocked(edge));
WXHWND hWnd;
if (!wnd) {
// No other window was specified. Minimize ourself.
wnd = this;
hWnd = m_hWnd;
} else
hWnd = wnd->GetHWND();
// If our window is hidden, there's nothing we can do.
if (hWnd == m_hWnd && !::IsWindowVisible(m_hWnd))
return;
if (m_state == wxSTATE_FLOAT) {
// Remember the last floating size.
RECT rect = {};
wxVERIFY(::GetWindowRect(hWnd, &rect));
m_sizeFloat.cx = rect.right - rect.left;
m_sizeFloat.cy = rect.bottom - rect.top;
}
RECT rectTo;
if (IsAutoHide())
GetAutoHideRect(edge, false, &rectTo);
else
GetDockedRect(edge, &rectTo);
if (::wxGetDoWndAnimation()) {
// Do the animation.
RECT rectFrom;
wxVERIFY(::GetWindowRect(hWnd, &rectFrom));
wxVERIFY(::DrawAnimatedRects(hWnd, IDANI_CAPTION, &rectFrom, &rectTo));
}
// Notify about the change of state.
OnChangeState(edge);
m_state = edge;
if (hWnd != m_hWnd) {
// Hide the source window.
wnd->Hide();
// ::SetWindowLong(hWnd, GWL_STYLE, GetWindowLong(hWnd, GWL_STYLE) &~ WS_VISIBLE);
// Show the application bar.
Show();
} else {
if (IsAutoHide()) {
// Register auto-hide application bar.
RegisterAutoHide(edge);
} else {
// Auto-hide failed or wasn't desired at all.
DockAppBar(edge);
}
}
::SetActiveWindow(m_hWnd);
}
void wxAppBar::MaximiseFromEdge(const RECT* rect)
{
wxASSERT(::IsWindowVisible(m_hWnd));
RECT rectTo;
if (!rect) {
// Calculate the destination rect.
rectTo.left = (::GetSystemMetrics(SM_CXSCREEN) - m_sizeFloat.cx) / 2;
rectTo.top = (::GetSystemMetrics(SM_CYSCREEN) - m_sizeFloat.cy) / 2;
rectTo.right = rectTo.left + m_sizeFloat.cx;
rectTo.bottom = rectTo.top + m_sizeFloat.cy;
rect = &rectTo;
} else {
m_sizeFloat.cx = rect->right - rect->left;
m_sizeFloat.cy = rect->bottom - rect->top;
}
if (::wxGetDoWndAnimation()) {
// Do the animation.
RECT rectFrom;
wxVERIFY(::GetWindowRect(m_hWnd, &rectFrom));
wxVERIFY(::DrawAnimatedRects(m_hWnd, IDANI_CAPTION, &rectFrom, rect));
}
// Clean previous docking/auto-hide settings if required.
if (IsDocked(m_state)) {
if (IsAutoHide())
UnregisterAutoHide(m_state);
else
UndockAppBar();
}
// Notify about the change of state.
OnChangeState(wxSTATE_FLOAT);
m_state = wxSTATE_FLOAT;
wxVERIFY(::SetWindowPos(m_hWnd, GetZWnd(wxSTATE_FLOAT, m_flags), rect->left, rect->top, rect->right - rect->left, rect->bottom - rect->top, SWP_NOACTIVATE | SWP_DRAWFRAME | SWP_FRAMECHANGED));
}
void wxAppBar::MaximiseFromEdge(wxWindow *wnd)
{
wxASSERT(wnd);
wxASSERT(::IsWindowVisible(m_hWnd));
WXHWND hWnd = wnd->GetHWND();
RECT rectTo = {};
wxVERIFY(::GetWindowRect(hWnd, &rectTo));
m_sizeFloat.cx = rectTo.right - rectTo.left;
m_sizeFloat.cy = rectTo.bottom - rectTo.top;
if (::wxGetDoWndAnimation()) {
// Do the animation.
RECT rectFrom;
wxVERIFY(::GetWindowRect(m_hWnd, &rectFrom));
wxVERIFY(::DrawAnimatedRects(hWnd, IDANI_CAPTION, &rectFrom, &rectTo));
}
// Hide our window and show the destination window.
Hide();
wnd->Show();
// ::SetWindowLong(hWnd, GWL_STYLE, GetWindowLong(hWnd, GWL_STYLE) | WS_VISIBLE);
wxVERIFY(::SetForegroundWindow(hWnd));
::SetActiveWindow(hWnd);
// wxVERIFY(::RedrawWindow(hWnd, NULL, NULL, RDW_UPDATENOW | RDW_ALLCHILDREN | RDW_FRAME | RDW_INVALIDATE | RDW_ERASE));
}
void wxAppBar::ShowAutoHideAppBar(bool bShow)
{
RECT rcEnd;
bool
bFullDragOn,
bHidden = GetAutoHidden(),
bVisible = ::IsWindowVisible(m_hWnd) ? true : false;
if (!IsAutoHide() || bHidden != bShow) {
// We're not setup for auto-hide or already in the desired state.
return;
}
// Get our end window location.
GetAutoHideRect(m_state, !bHidden, &rcEnd);
if (bVisible) {
RECT rcStart;
// Only slide the window if the user has FullDrag turned on.
if (!::SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0, &bFullDragOn, 0))
bFullDragOn = false;
// Get our start window location.
GetAutoHideRect(m_state, bHidden, &rcStart);
if (bFullDragOn && (rcStart.left != rcEnd.left || rcStart.top != rcEnd.top || rcStart.right != rcEnd.right || rcStart.bottom != rcEnd.bottom)) {
// Get our starting and ending time.
DWORD dwTimeStart = ::GetTickCount();
DWORD dwTimeElapsed;
RECT rcDelta;
// Calculate difference between ending and starting rectangle.
rcDelta.left = rcEnd.left - rcStart.left;
rcDelta.top = rcEnd.top - rcStart.top;
rcDelta.right = rcEnd.right - rcStart.right;
rcDelta.bottom = rcEnd.bottom - rcStart.bottom;
while ((dwTimeElapsed = ::GetTickCount() - dwTimeStart) < wxABT_AUTOHIDETIME) {
// Do the linear interpolation.
RECT rect;
rect.left = rcStart.left + ::MulDiv(rcDelta.left, dwTimeElapsed, wxABT_AUTOHIDETIME);
rect.top = rcStart.top + ::MulDiv(rcDelta.top, dwTimeElapsed, wxABT_AUTOHIDETIME);
rect.right = rcStart.right + ::MulDiv(rcDelta.right, dwTimeElapsed, wxABT_AUTOHIDETIME);
rect.bottom = rcStart.bottom + ::MulDiv(rcDelta.bottom, dwTimeElapsed, wxABT_AUTOHIDETIME);
// Show the window at its changed position
wxVERIFY(::SetWindowPos(m_hWnd, NULL, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER | SWP_NOACTIVATE));
wxVERIFY(::UpdateWindow(m_hWnd));
}
}
}
if (bShow)
m_flags &= ~wxFLAG_AUTOHIDDEN;
else
m_flags |= wxFLAG_AUTOHIDDEN;
if (bVisible) {
wxVERIFY(::SetWindowPos(m_hWnd, NULL, rcEnd.left, rcEnd.top, rcEnd.right - rcEnd.left, rcEnd.bottom - rcEnd.top, SWP_NOZORDER | SWP_NOACTIVATE));
wxVERIFY(::UpdateWindow(m_hWnd));
// Reset auto-hide timer.
m_timerID = ::SetTimer(m_hWnd, wxABT_AUTOHIDETIMERID, wxABT_AUTOHIDETIMERINTERVAL, NULL);
}
}
void wxAppBar::OnChangeState(wxState stateNew)
{
if (stateNew == wxSTATE_FLOAT) {
if (m_flags & wxFLAG_HIDETASKBARTABWHENFLOATING) {
// Hide our application bar's entry on the Windows's taskbar.
wxModifyStyleEx(m_hWnd, 0, WS_EX_TOOLWINDOW);
if (m_taskbarList)
wxVERIFY(SUCCEEDED(m_taskbarList->DeleteTab(m_hWnd)));
} else if (m_flags & wxFLAG_HIDETASKBARTABWHENDOCKED) {
// Show our application bar's entry on the Windows's taskbar.
wxModifyStyleEx(m_hWnd, WS_EX_TOOLWINDOW, 0);
if (m_taskbarList)
wxVERIFY(SUCCEEDED(m_taskbarList->AddTab(m_hWnd)));
}
} else if (IsDocked(stateNew)) {
if (m_flags & wxFLAG_HIDETASKBARTABWHENDOCKED) {
// Hide our application bar's entry on the Windows's taskbar.
wxModifyStyleEx(m_hWnd, 0, WS_EX_TOOLWINDOW);
if (m_taskbarList)
wxVERIFY(SUCCEEDED(m_taskbarList->DeleteTab(m_hWnd)));
} else if (m_flags & wxFLAG_HIDETASKBARTABWHENFLOATING) {
// Show our application bar's entry on the Windows's taskbar.
wxModifyStyleEx(m_hWnd, WS_EX_TOOLWINDOW, 0);
if (m_taskbarList)
wxVERIFY(SUCCEEDED(m_taskbarList->AddTab(m_hWnd)));
}
} else {
// Unknown state.
wxFAIL;
}
}
void wxAppBar::OnChangeTaskBarState(UINT_PTR state)
{
if (state != m_stateTaskBar) {
// No change, no fun.
return;
}
if ((m_flags & wxFLAG_ALWAYSONTOPTASKBAR) &&
(m_stateTaskBar & ABS_ALWAYSONTOP) != (state & ABS_ALWAYSONTOP)) {
// Always-on-top state of the taskbar changed and we're supposed to mimic it.
SetAlwaysOnTop((state & ABS_ALWAYSONTOP) ? true : false);
}
if ((m_flags & wxFLAG_AUTOHIDETASKBAR) &&
(m_stateTaskBar & ABS_AUTOHIDE) != (state & ABS_AUTOHIDE)) {
// Auto-hide state of the taskbar changed and we're supposed to mimic it.
SetAutoHide((state & ABS_AUTOHIDE) ? true : false);
}
// Remember the state.
m_stateTaskBar = state;
}
void wxAppBar::OnWindowsArrange(bool WXUNUSED(bBeginning))
{
}
void wxAppBar::OnAutoHideDenied()
{
wxMessageBox(wxT("There is already an auto hidden bar on this edge.\nOnly one auto hidden bar is allowed on each edge.\nAuto-hide feature is now off."), wxT("Warning"), wxOK | wxICON_WARNING, this);
}
WXLRESULT wxAppBar::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
switch (message) {
case WM_SHOWWINDOW:
if (wParam) {
// Do the false change of state notification, to allow initialization.
OnChangeState(m_state);
if (IsDocked(m_state)) {
if (IsAutoHide()) {
// Register auto-hide application bar.
RegisterAutoHide(m_state);
} else {
// Auto-hide failed or wasn't desired at all.
DockAppBar(m_state);
}
}
// We're all set. Show the window now.
return wxFrame::MSWWindowProc(message, wParam, lParam);
} else {
// Hide the window first, to avoid flicker.
WXLRESULT lResult = wxFrame::MSWWindowProc(message, wParam, lParam);
// Clean previous docking/auto-hide settings if required.
if (IsDocked(m_state)) {
if (IsAutoHide())
UnregisterAutoHide(m_state);
else
UndockAppBar();
}
return lResult;
}
case WM_WINDOWPOSCHANGING: {
if (m_state != m_stateDesired && IsDocked(m_stateDesired)) {
wxASSERT(lParam);
LPWINDOWPOS lpwndpos = (LPWINDOWPOS)lParam;
// When about to get docked, fix position and size to avoid Aero Snap interfering with window size.
RECT rect;
GetDockedRect(m_stateDesired, &rect);
lpwndpos->x = rect.left;
lpwndpos->y = rect.top;
lpwndpos->cx = rect.right - rect.left;
lpwndpos->cy = rect.bottom - rect.top;
lpwndpos->flags &= ~(SWP_NOMOVE | SWP_NOSIZE);
}
return wxFrame::MSWWindowProc(message, wParam, lParam);
}
case WM_WINDOWPOSCHANGED: {
WXLRESULT lResult = wxFrame::MSWWindowProc(message, wParam, lParam);
if (IsDocked(m_state)) {
// When our window changes position, tell the Shell so that any
// auto-hidden application bar on our edge stays on top of our window making it
// always accessible to the user.
APPBARDATA abd = { sizeof(abd), m_hWnd };
wxVERIFY(::SHAppBarMessage(ABM_WINDOWPOSCHANGED, &abd));
}
return lResult;
}
case WM_ENTERSIZEMOVE:
m_stateDesired = m_state;
return 0;
case WM_EXITSIZEMOVE:
// Clean previous docking/auto-hide settings if required.
if (IsDocked(m_state) &&
(m_stateDesired == wxSTATE_FLOAT || m_stateDesired != m_state && IsDocked(m_stateDesired)))
{
if (IsAutoHide())
UnregisterAutoHide(m_state);
else if (m_stateDesired == wxSTATE_FLOAT)
UndockAppBar();
}
// Setup new docking/auto-hide settings.
if (IsDocked(m_stateDesired)) {
if (IsAutoHide()) {
// Application bar should be auto-hide. Try to setup it as so.
// Register auto-hide application bar.
RegisterAutoHide(m_stateDesired);
} else {
// Auto-hide failed or wasn't desired at all.
DockAppBar(m_stateDesired);
}
}
// Notify about the change of state.
OnChangeState(m_stateDesired);
m_state = m_stateDesired;
m_stateDesired = wxSTATE_UNKNOWN;
return 0;
case WM_MOVING: {
WXLRESULT lResult = wxFrame::MSWWindowProc(message, wParam, lParam);
wxASSERT(lParam);
LPRECT lpRect = (LPRECT)lParam;
// Phase 1. - Determine the desired state (which screen edge or floating) according to the mouse position.
wxState uStateDesiredPrev = m_stateDesired;
DWORD dwPoint = ::GetMessagePos();
wxPoint ptMouse(GET_X_LPARAM(dwPoint), GET_Y_LPARAM(dwPoint));
m_stateDesired = wxSTATE_UNKNOWN;
if ((m_flags & wxFLAG_ALLOWFLOAT) && (::GetKeyState(VK_CONTROL) < 0 || !(m_flags & wxFLAG_ALLOWDOCKANY))) {
// The application bar's style allows floating and user is holding down the Ctrl key, or docking is disabled anyway, so we'll force float.
m_stateDesired = wxSTATE_FLOAT;
} else {
RECT rcWorkArea = {};
INT iDist, iDistMin = INT_MAX;
// Get the rectangle that bounds the size of the screen
// minus any docked (but not-autohidden) AppBars.
wxVERIFY(::SystemParametersInfo(SPI_GETWORKAREA, 0, &rcWorkArea, 0));
// Test all four edges, to find the closest one.
if ((m_flags & wxFLAG_ALLOWDOCKTOP) && (iDist = ptMouse.y - rcWorkArea.top) < iDistMin) {
m_stateDesired = wxSTATE_TOP;
iDistMin = iDist;
}
if ((m_flags & wxFLAG_ALLOWDOCKBOTTOM) && (iDist = rcWorkArea.bottom - ptMouse.y) < iDistMin) {
m_stateDesired = wxSTATE_BOTTOM;
iDistMin = iDist;
}
if ((m_flags & wxFLAG_ALLOWDOCKLEFT) && (iDist = ptMouse.x - rcWorkArea.left) < iDistMin) {
m_stateDesired = wxSTATE_LEFT;
iDistMin = iDist;
}
if ((m_flags & wxFLAG_ALLOWDOCKRIGHT) && (iDist = rcWorkArea.right - ptMouse.x) < iDistMin) {
m_stateDesired = wxSTATE_RIGHT;
iDistMin = iDist;
}
if ((m_flags & wxFLAG_ALLOWFLOAT) && (iDist = wxMax(::GetSystemMetrics(SM_CXVSCROLL), ::GetSystemMetrics(SM_CYHSCROLL))) < iDistMin) {
m_stateDesired = wxSTATE_FLOAT;
iDistMin = iDist;
}
}
// We must had come up with some useful state.
wxASSERT(m_stateDesired != wxSTATE_UNKNOWN);
// Phase 2. - Calculate the desired rectangle, according to the desired state.
if (m_stateDesired == wxSTATE_FLOAT) {
if (IsDocked(uStateDesiredPrev)) {
// We just switched from docked to floating state. Align the window according to the mouse pointer.
lpRect->left = ptMouse.x - m_sizeFloat.cx / 2;
lpRect->top = ptMouse.y;
// We also resize back to floating window size.
lpRect->right = lpRect->left + m_sizeFloat.cx;
lpRect->bottom = lpRect->top + m_sizeFloat.cy;
}
} else if (IsDocked(m_stateDesired)) {
if (IsAutoHide()) {
// Calculate auto-hide window rect.
GetAutoHideRect(m_stateDesired, false, lpRect);
} else {
// Calculate docked window rect.
GetDockedRect(m_stateDesired, lpRect);
}
} else {
// Window is not floating. It's not docked either. Then what?
wxFAIL;
}
if (m_stateDesired != uStateDesiredPrev) {
// Notify about the proposed change of state, but don't change the state yet.
OnChangeState(m_stateDesired);
}
return lResult;
}
case WM_SIZING: {
wxASSERT(lParam);
LPRECT lpRect = (LPRECT)lParam;
if (m_stateDesired == wxSTATE_FLOAT) {
// Remember the floating window size.
m_sizeFloat.cx = lpRect->right - lpRect->left;
m_sizeFloat.cy = lpRect->bottom - lpRect->top;
} else if (IsDocked(m_stateDesired)) {
// Remember the docked window size.
if (IsDockedVert(m_stateDesired))
m_sizeDocked.cx = lpRect->right - lpRect->left;
else
m_sizeDocked.cy = lpRect->bottom - lpRect->top;
} else {
// Unknown state.
wxFAIL;
}
return wxFrame::MSWWindowProc(message, wParam, lParam);
}
case WM_GETMINMAXINFO: {
WXLRESULT lResult = wxFrame::MSWWindowProc(message, wParam, lParam);
wxASSERT(lParam);
LPMINMAXINFO lpMMI = (LPMINMAXINFO)lParam;
// Convert client size to window size.
RECT rectClient = {};
wxVERIFY(::GetClientRect(m_hWnd, &rectClient));
if (rectClient.right - rectClient.left && rectClient.bottom - rectClient.top) {
RECT rectWindow = {};
wxVERIFY(::GetWindowRect(m_hWnd, &rectWindow));
lpMMI->ptMinTrackSize.x = m_sizeMin.cx + (rectWindow.right - rectWindow.left) - (rectClient.right - rectClient.left);
lpMMI->ptMinTrackSize.y = m_sizeMin.cy + (rectWindow.bottom - rectWindow.top ) - (rectClient.bottom - rectClient.top );
}
return lResult;
}
case WM_NCMOUSEMOVE:
// If we are a docked, auto-hidden application bar, shown us
// when the user moves over our non-client area
ShowAutoHideAppBar(true);
return wxFrame::MSWWindowProc(message, wParam, lParam);
case WM_NCHITTEST: {
// Find out what the base class thinks is the hit test code.
WXLRESULT lResult = wxFrame::MSWWindowProc(message, wParam, lParam);
if (HTSIZEFIRST <= lResult && lResult <= HTSIZELAST) {
if (GetAllowSizing()) {
if (IsDocked(m_state)) {
// When the application bar is docked, the user can resize only one edge.
// This next section determines which edge the user can resize.
// To allow resizing, the application bar window must have the WS_THICKFRAME style.
RECT rcClient = {};
wxPoint point(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
// Resizing IS allowed for the edge that the application bar is docked on.
// Get the location of the appbar's client area in screen coordinates.
wxVERIFY(::GetClientRect(m_hWnd, &rcClient));
wxVERIFY(::ClientToScreen(m_hWnd, (LPPOINT)&rcClient));
wxVERIFY(::ClientToScreen(m_hWnd, ((LPPOINT)&rcClient) + 1));
// Assume that we can't resize
lResult = HTBORDER;
switch (m_state) {
case wxSTATE_LEFT: if (point.x > rcClient.right) lResult = HTRIGHT; break;
case wxSTATE_TOP: if (point.y > rcClient.bottom) lResult = HTBOTTOM; break;
case wxSTATE_RIGHT: if (point.x < rcClient.left) lResult = HTLEFT; break;
case wxSTATE_BOTTOM: if (point.y < rcClient.top) lResult = HTTOP; break;
}
}
} else {
// The sizing is locked. Pretend that the mouse is not on a resize border.
lResult = HTBORDER;
}
}
return lResult;
}
case WM_ACTIVATE: {
WXLRESULT lResult = wxFrame::MSWWindowProc(message, wParam, lParam);
if (IsDocked(m_state)) {
// When our window changes activation state, tell the Shell so that any
// auto-hidden application bar on our edge stays on top of our window making it
// always accessible to the user.
APPBARDATA abd = { sizeof(abd), m_hWnd };
wxVERIFY(::SHAppBarMessage(ABM_ACTIVATE, &abd));
if (LOWORD(wParam) == WA_INACTIVE && IsAutoHide()) {
// Hide the application bar if we are docked and auto-hidden.
ShowAutoHideAppBar(false);
}
}
return lResult;
}
case WM_TIMER:
if (wParam == wxABT_AUTOHIDETIMERID) {
if (!GetAutoHidden() &&
IsDocked(m_state) &&
GetActiveWindow() != m_hWnd)
{
// Get the position of the mouse and the application bar's position
// Everything must be in screen coordinates.
DWORD dwPoint = ::GetMessagePos();
wxPoint pointMouse(GET_X_LPARAM(dwPoint), GET_Y_LPARAM(dwPoint));
RECT rect = {};
wxVERIFY(::GetWindowRect(m_hWnd, &rect));
wxRect rectBounds(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
// Add a little margin around the application bar
rectBounds.Inflate(2 * ::GetSystemMetrics(SM_CXDOUBLECLK), 2 * ::GetSystemMetrics(SM_CYDOUBLECLK));
if (!rectBounds.Contains(pointMouse)) {
// If the mouse is NOT over or near the application bar, hide it.
ShowAutoHideAppBar(false);
}
}
return 0;
} else
return wxFrame::MSWWindowProc(message, wParam, lParam);
default:
if (message == WM_AB_NOTIFY) {
switch (wParam) {
case ABN_FULLSCREENAPP:
if (lParam)
m_flags |= wxFLAG_FULLSCREENAPPOPEN;
else
m_flags &= ~wxFLAG_FULLSCREENAPPOPEN;
OnChangeTaskBarState(GetTaskBarState());
if (::IsWindowVisible(m_hWnd)) {
// Set the Z-order.
wxVERIFY(::SetWindowPos(m_hWnd, GetZWnd(m_state, m_flags), 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOSENDCHANGING));
}
break;
case ABN_POSCHANGED:
if (IsDocked(m_state) && !IsAutoHide())
DockAppBar(m_state);
break;
case ABN_STATECHANGE:
// Taskbar's state changed.
OnChangeTaskBarState(GetTaskBarState());
break;
case ABN_WINDOWARRANGE:
OnWindowsArrange(lParam ? true : false);
break;
default:
// Unknown message.
wxFAIL;
break;
}
return 0;
} else
return wxFrame::MSWWindowProc(message, wParam, lParam);
}
}