void wf_resize_window(wfContext* wfc)
{
if (wfc->fullscreen)
{
if(wfc->instance->settings->UseMultimon)
{
int x = GetSystemMetrics(SM_XVIRTUALSCREEN);
int y = GetSystemMetrics(SM_YVIRTUALSCREEN);
int w = GetSystemMetrics(SM_CXVIRTUALSCREEN);
int h = GetSystemMetrics(SM_CYVIRTUALSCREEN);
SetWindowLongPtr(wfc->hwnd, GWL_STYLE, WS_POPUP);
SetWindowPos(wfc->hwnd, HWND_TOP, x, y, w, h, SWP_FRAMECHANGED);
}
else
{
SetWindowLongPtr(wfc->hwnd, GWL_STYLE, WS_POPUP);
SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN), SWP_FRAMECHANGED);
}
}
else if (!wfc->instance->settings->Decorations)
{
SetWindowLongPtr(wfc->hwnd, GWL_STYLE, WS_CHILD);
/* Now resize to get full canvas size and room for caption and borders */
SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, wfc->width, wfc->height, SWP_FRAMECHANGED);
wf_update_canvas_diff(wfc);
SetWindowPos(wfc->hwnd, HWND_TOP, -1, -1, wfc->width + wfc->diff.x, wfc->height + wfc->diff.y, SWP_NOMOVE | SWP_FRAMECHANGED);
}
else
{
SetWindowLongPtr(wfc->hwnd, GWL_STYLE, WS_CAPTION | WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX | WS_SIZEBOX | WS_MAXIMIZEBOX);
if (!wfc->client_height)
wfc->client_height = wfc->height;
if (!wfc->client_width)
wfc->client_width = wfc->width;
if (!wfc->client_x)
wfc->client_x = 10;
if (!wfc->client_y)
wfc->client_y = 10;
wf_update_canvas_diff(wfc);
/* Now resize to get full canvas size and room for caption and borders */
SetWindowPos(wfc->hwnd, HWND_TOP, wfc->client_x, wfc->client_y, wfc->client_width + wfc->diff.x, wfc->client_height + wfc->diff.y, 0 /*SWP_FRAMECHANGED*/);
//wf_size_scrollbars(wfc, wfc->client_width, wfc->client_height);
}
wf_update_offset(wfc);
}
void wf_ParamChangeEventHandler(rdpContext* context, ParamChangeEventArgs* e)
{
RECT rect;
HMENU hMenu;
wfContext* wfc = (wfContext*) context;
// specific processing here
switch (e->id)
{
case FreeRDP_SmartSizing:
fprintf(stderr, "SmartSizing changed.\n");
if (!context->settings->SmartSizing && (wfc->client_width > context->settings->DesktopWidth || wfc->client_height > context->settings->DesktopHeight))
{
GetWindowRect(wfc->hwnd, &rect);
SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, MIN(wfc->client_width + wfc->offset_x, rect.right - rect.left), MIN(wfc->client_height + wfc->offset_y, rect.bottom - rect.top), SWP_NOMOVE | SWP_FRAMECHANGED);
wf_update_canvas_diff(wfc);
}
hMenu = GetSystemMenu(wfc->hwnd, FALSE);
CheckMenuItem(hMenu, SYSCOMMAND_ID_SMARTSIZING, context->settings->SmartSizing);
wf_size_scrollbars(wfc, wfc->client_width, wfc->client_height);
GetClientRect(wfc->hwnd, &rect);
InvalidateRect(wfc->hwnd, &rect, TRUE);
break;
case FreeRDP_ConnectionType:
fprintf(stderr, "ConnectionType changed.\n");
freerdp_set_connection_type(wfc->instance->settings, wfc->instance->settings->ConnectionType);
break;
}
}
void wf_size_scrollbars(wfContext* wfc, UINT32 client_width, UINT32 client_height)
{
if (wfc->disablewindowtracking)
return;
// prevent infinite message loop
wfc->disablewindowtracking = TRUE;
if (wfc->instance->settings->SmartSizing)
{
wfc->xCurrentScroll = 0;
wfc->yCurrentScroll = 0;
if (wfc->xScrollVisible || wfc->yScrollVisible)
{
if (ShowScrollBar(wfc->hwnd, SB_BOTH, FALSE))
{
wfc->xScrollVisible = FALSE;
wfc->yScrollVisible = FALSE;
}
}
}
else
{
SCROLLINFO si;
BOOL horiz = wfc->xScrollVisible;
BOOL vert = wfc->yScrollVisible;;
if (!horiz && client_width < wfc->instance->settings->DesktopWidth)
{
horiz = TRUE;
}
else if (horiz && client_width >= wfc->instance->settings->DesktopWidth/* - GetSystemMetrics(SM_CXVSCROLL)*/)
{
horiz = FALSE;
}
if (!vert && client_height < wfc->instance->settings->DesktopHeight)
{
vert = TRUE;
}
else if (vert && client_height >= wfc->instance->settings->DesktopHeight/* - GetSystemMetrics(SM_CYHSCROLL)*/)
{
vert = FALSE;
}
if (horiz == vert && (horiz != wfc->xScrollVisible && vert != wfc->yScrollVisible))
{
if (ShowScrollBar(wfc->hwnd, SB_BOTH, horiz))
{
wfc->xScrollVisible = horiz;
wfc->yScrollVisible = vert;
}
}
if (horiz != wfc->xScrollVisible)
{
if (ShowScrollBar(wfc->hwnd, SB_HORZ, horiz))
{
wfc->xScrollVisible = horiz;
}
}
if (vert != wfc->yScrollVisible)
{
if (ShowScrollBar(wfc->hwnd, SB_VERT, vert))
{
wfc->yScrollVisible = vert;
}
}
if (horiz)
{
// The horizontal scrolling range is defined by
// (bitmap_width) - (client_width). The current horizontal
// scroll value remains within the horizontal scrolling range.
wfc->xMaxScroll = MAX(wfc->instance->settings->DesktopWidth - client_width, 0);
wfc->xCurrentScroll = MIN(wfc->xCurrentScroll, wfc->xMaxScroll);
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.nMin = wfc->xMinScroll;
si.nMax = wfc->instance->settings->DesktopWidth;
si.nPage = client_width;
si.nPos = wfc->xCurrentScroll;
SetScrollInfo(wfc->hwnd, SB_HORZ, &si, TRUE);
}
if (vert)
{
// The vertical scrolling range is defined by
// (bitmap_height) - (client_height). The current vertical
// scroll value remains within the vertical scrolling range.
wfc->yMaxScroll = MAX(wfc->instance->settings->DesktopHeight - client_height, 0);
wfc->yCurrentScroll = MIN(wfc->yCurrentScroll, wfc->yMaxScroll);
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.nMin = wfc->yMinScroll;
si.nMax = wfc->instance->settings->DesktopHeight;
si.nPage = client_height;
si.nPos = wfc->yCurrentScroll;
SetScrollInfo(wfc->hwnd, SB_VERT, &si, TRUE);
}
}
wfc->disablewindowtracking = FALSE;
wf_update_canvas_diff(wfc);
}
LRESULT CALLBACK wf_event_proc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
LONG ptr;
wfContext* wfc;
int x, y, w, h;
PAINTSTRUCT ps;
rdpInput* input;
BOOL processed;
RECT windowRect;
RECT clientRect;
MINMAXINFO* minmax;
SCROLLINFO si;
processed = TRUE;
ptr = GetWindowLongPtr(hWnd, GWLP_USERDATA);
wfc = (wfContext*) ptr;
if (wfc != NULL)
{
input = wfc->instance->input;
switch (Msg)
{
case WM_MOVE:
if (!wfc->disablewindowtracking)
{
int x = (int)(short) LOWORD(lParam);
int y = (int)(short) HIWORD(lParam);
wfc->client_x = x;
wfc->client_y = y;
}
break;
case WM_GETMINMAXINFO:
if (wfc->instance->settings->SmartSizing)
{
processed = FALSE;
}
else
{
// Set maximum window size for resizing
minmax = (MINMAXINFO*) lParam;
wf_update_canvas_diff(wfc);
if (!wfc->fullscreen)
{
// add window decoration
minmax->ptMaxTrackSize.x = wfc->width + wfc->diff.x;
minmax->ptMaxTrackSize.y = wfc->height + wfc->diff.y;
}
}
break;
case WM_SIZING:
wf_sizing(wfc, lParam, wParam);
break;
case WM_SIZE:
GetWindowRect(wfc->hwnd, &windowRect);
if (!wfc->fullscreen)
{
wfc->client_width = LOWORD(lParam);
wfc->client_height = HIWORD(lParam);
wfc->client_x = windowRect.left;
wfc->client_y = windowRect.top;
}
wf_size_scrollbars(wfc, LOWORD(lParam), HIWORD(lParam));
// Workaround: when the window is maximized, the call to "ShowScrollBars" returns TRUE but has no effect.
if (wParam == SIZE_MAXIMIZED && !wfc->fullscreen)
SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, windowRect.right - windowRect.left, windowRect.bottom - windowRect.top, SWP_NOMOVE | SWP_FRAMECHANGED);
break;
case WM_EXITSIZEMOVE:
wf_size_scrollbars(wfc, wfc->client_width, wfc->client_height);
break;
case WM_ERASEBKGND:
/* Say we handled it - prevents flickering */
return (LRESULT) 1;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
x = ps.rcPaint.left;
y = ps.rcPaint.top;
w = ps.rcPaint.right - ps.rcPaint.left + 1;
h = ps.rcPaint.bottom - ps.rcPaint.top + 1;
wf_scale_blt(wfc, hdc, x, y, w, h, wfc->primary->hdc, x - wfc->offset_x + wfc->xCurrentScroll, y - wfc->offset_y + wfc->yCurrentScroll, SRCCOPY);
EndPaint(hWnd, &ps);
break;
case WM_LBUTTONDOWN:
wf_scale_mouse_event(wfc, input,PTR_FLAGS_DOWN | PTR_FLAGS_BUTTON1, X_POS(lParam) - wfc->offset_x, Y_POS(lParam) - wfc->offset_y);
break;
case WM_LBUTTONUP:
wf_scale_mouse_event(wfc, input, PTR_FLAGS_BUTTON1, X_POS(lParam) - wfc->offset_x, Y_POS(lParam) - wfc->offset_y);
break;
case WM_RBUTTONDOWN:
wf_scale_mouse_event(wfc, input, PTR_FLAGS_DOWN | PTR_FLAGS_BUTTON2, X_POS(lParam) - wfc->offset_x, Y_POS(lParam) - wfc->offset_y);
break;
case WM_RBUTTONUP:
wf_scale_mouse_event(wfc, input, PTR_FLAGS_BUTTON2, X_POS(lParam) - wfc->offset_x, Y_POS(lParam) - wfc->offset_y);
break;
case WM_MOUSEMOVE:
wf_scale_mouse_event(wfc, input, PTR_FLAGS_MOVE, X_POS(lParam) - wfc->offset_x, Y_POS(lParam) - wfc->offset_y);
break;
case WM_MOUSEWHEEL:
wf_event_process_WM_MOUSEWHEEL(wfc, hWnd, Msg, wParam, lParam);
break;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT)
SetCursor(wfc->cursor);
else
DefWindowProc(hWnd, Msg, wParam, lParam);
break;
case WM_HSCROLL:
{
int xDelta; // xDelta = new_pos - current_pos
int xNewPos; // new position
int yDelta = 0;
switch (LOWORD(wParam))
{
// User clicked the scroll bar shaft left of the scroll box.
case SB_PAGEUP:
xNewPos = wfc->xCurrentScroll - 50;
break;
// User clicked the scroll bar shaft right of the scroll box.
case SB_PAGEDOWN:
xNewPos = wfc->xCurrentScroll + 50;
break;
// User clicked the left arrow.
case SB_LINEUP:
xNewPos = wfc->xCurrentScroll - 5;
break;
// User clicked the right arrow.
case SB_LINEDOWN:
xNewPos = wfc->xCurrentScroll + 5;
break;
// User dragged the scroll box.
case SB_THUMBPOSITION:
xNewPos = HIWORD(wParam);
// user is dragging the scrollbar
case SB_THUMBTRACK :
xNewPos = HIWORD(wParam);
break;
default:
xNewPos = wfc->xCurrentScroll;
}
// New position must be between 0 and the screen width.
xNewPos = MAX(0, xNewPos);
xNewPos = MIN(wfc->xMaxScroll, xNewPos);
// If the current position does not change, do not scroll.
if (xNewPos == wfc->xCurrentScroll)
break;
// Determine the amount scrolled (in pixels).
xDelta = xNewPos - wfc->xCurrentScroll;
// Reset the current scroll position.
wfc->xCurrentScroll = xNewPos;
// Scroll the window. (The system repaints most of the
// client area when ScrollWindowEx is called; however, it is
// necessary to call UpdateWindow in order to repaint the
// rectangle of pixels that were invalidated.)
ScrollWindowEx(wfc->hwnd, -xDelta, -yDelta, (CONST RECT *) NULL,
(CONST RECT *) NULL, (HRGN) NULL, (PRECT) NULL,
SW_INVALIDATE);
UpdateWindow(wfc->hwnd);
// Reset the scroll bar.
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = wfc->xCurrentScroll;
SetScrollInfo(wfc->hwnd, SB_HORZ, &si, TRUE);
}
break;
case WM_VSCROLL:
{
int xDelta = 0;
int yDelta; // yDelta = new_pos - current_pos
int yNewPos; // new position
switch (LOWORD(wParam))
{
// User clicked the scroll bar shaft above the scroll box.
case SB_PAGEUP:
yNewPos = wfc->yCurrentScroll - 50;
break;
// User clicked the scroll bar shaft below the scroll box.
case SB_PAGEDOWN:
yNewPos = wfc->yCurrentScroll + 50;
break;
// User clicked the top arrow.
case SB_LINEUP:
yNewPos = wfc->yCurrentScroll - 5;
break;
// User clicked the bottom arrow.
case SB_LINEDOWN:
yNewPos = wfc->yCurrentScroll + 5;
break;
// User dragged the scroll box.
case SB_THUMBPOSITION:
yNewPos = HIWORD(wParam);
break;
// user is dragging the scrollbar
case SB_THUMBTRACK :
yNewPos = HIWORD(wParam);
break;
default:
yNewPos = wfc->yCurrentScroll;
}
// New position must be between 0 and the screen height.
yNewPos = MAX(0, yNewPos);
yNewPos = MIN(wfc->yMaxScroll, yNewPos);
// If the current position does not change, do not scroll.
if (yNewPos == wfc->yCurrentScroll)
break;
// Determine the amount scrolled (in pixels).
yDelta = yNewPos - wfc->yCurrentScroll;
// Reset the current scroll position.
wfc->yCurrentScroll = yNewPos;
// Scroll the window. (The system repaints most of the
// client area when ScrollWindowEx is called; however, it is
// necessary to call UpdateWindow in order to repaint the
// rectangle of pixels that were invalidated.)
ScrollWindowEx(wfc->hwnd, -xDelta, -yDelta, (CONST RECT *) NULL,
(CONST RECT *) NULL, (HRGN) NULL, (PRECT) NULL,
SW_INVALIDATE);
UpdateWindow(wfc->hwnd);
// Reset the scroll bar.
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = wfc->yCurrentScroll;
SetScrollInfo(wfc->hwnd, SB_VERT, &si, TRUE);
}
break;
case WM_SYSCOMMAND:
{
if (wParam == SYSCOMMAND_ID_SMARTSIZING)
{
HMENU hMenu = GetSystemMenu(wfc->hwnd, FALSE);
freerdp_set_param_bool(wfc->instance->settings, FreeRDP_SmartSizing, !wfc->instance->settings->SmartSizing);
CheckMenuItem(hMenu, SYSCOMMAND_ID_SMARTSIZING, wfc->instance->settings->SmartSizing ? MF_CHECKED : MF_UNCHECKED);
}
else
{
processed = FALSE;
}
}
break;
default:
processed = FALSE;
break;
}
}
else
{
processed = FALSE;
}
if (processed)
return 0;
switch (Msg)
{
case WM_DESTROY:
PostQuitMessage(WM_QUIT);
break;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT)
SetCursor(wfc->hDefaultCursor);
else
DefWindowProc(hWnd, Msg, wParam, lParam);
break;
case WM_SETFOCUS:
DEBUG_KBD("getting focus %X", hWnd);
g_focus_hWnd = hWnd;
break;
case WM_KILLFOCUS:
if (g_focus_hWnd == hWnd && wfc && !wfc->fullscreen)
{
DEBUG_KBD("loosing focus %X", hWnd);
g_focus_hWnd = NULL;
}
break;
case WM_ACTIVATE:
{
int activate = (int)(short) LOWORD(wParam);
if (activate != WA_INACTIVE)
{
g_focus_hWnd = hWnd;
}
else
{
g_focus_hWnd = NULL;
}
}
default:
return DefWindowProc(hWnd, Msg, wParam, lParam);
break;
}
return 0;
}
