xenocara/xserver/hw/xwin/wincreatewnd.c

634 lines
22 KiB
C

/*
*Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
*
*Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
*"Software"), to deal in the Software without restriction, including
*without limitation the rights to use, copy, modify, merge, publish,
*distribute, sublicense, and/or sell copies of the Software, and to
*permit persons to whom the Software is furnished to do so, subject to
*the following conditions:
*
*The above copyright notice and this permission notice shall be
*included in all copies or substantial portions of the Software.
*
*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
*NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*Except as contained in this notice, the name of Harold L Hunt II
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from Harold L Hunt II.
*
* Authors: Harold L Hunt II
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "shellapi.h"
/*
* Local function prototypes
*/
static Bool
winGetWorkArea(RECT * prcWorkArea, winScreenInfo * pScreenInfo);
static Bool
winAdjustForAutoHide(RECT * prcWorkArea, winScreenInfo * pScreenInfo);
/*
* Create a full screen window
*/
Bool
winCreateBoundingWindowFullScreen(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
int iX = pScreenInfo->dwInitialX;
int iY = pScreenInfo->dwInitialY;
int iWidth = pScreenInfo->dwWidth;
int iHeight = pScreenInfo->dwHeight;
HWND *phwnd = &pScreenPriv->hwndScreen;
WNDCLASSEX wc;
char szTitle[256];
#if CYGDEBUG
winDebug("winCreateBoundingWindowFullScreen\n");
#endif
/* Setup our window class */
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = winWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = g_hInstance;
wc.hIcon =
(HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON), 0);
wc.hCursor = 0;
wc.hbrBackground = 0;
wc.lpszMenuName = NULL;
wc.lpszClassName = WINDOW_CLASS;
wc.hIconSm =
(HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), LR_DEFAULTSIZE);
RegisterClassEx(&wc);
/* Set display and screen-specific tooltip text */
if (g_pszQueryHost != NULL)
snprintf(szTitle,
sizeof(szTitle),
WINDOW_TITLE_XDMCP,
g_pszQueryHost, display, (int) pScreenInfo->dwScreen);
else
snprintf(szTitle,
sizeof(szTitle),
WINDOW_TITLE, display, (int) pScreenInfo->dwScreen);
/* Create the window */
*phwnd = CreateWindowExA(0, /* Extended styles */
WINDOW_CLASS, /* Class name */
szTitle, /* Window name */
WS_POPUP, iX, /* Horizontal position */
iY, /* Vertical position */
iWidth, /* Right edge */
iHeight, /* Bottom edge */
(HWND) NULL, /* No parent or owner window */
(HMENU) NULL, /* No menu */
GetModuleHandle(NULL), /* Instance handle */
pScreenPriv); /* ScreenPrivates */
/* Hide the window */
ShowWindow(*phwnd, SW_SHOWNORMAL);
/* Send first paint message */
UpdateWindow(*phwnd);
/* Attempt to bring our window to the top of the display */
BringWindowToTop(*phwnd);
return TRUE;
}
/*
* Create our primary Windows display window
*/
Bool
winCreateBoundingWindowWindowed(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
int iWidth = pScreenInfo->dwUserWidth;
int iHeight = pScreenInfo->dwUserHeight;
int iPosX;
int iPosY;
HWND *phwnd = &pScreenPriv->hwndScreen;
WNDCLASSEX wc;
RECT rcClient, rcWorkArea;
DWORD dwWindowStyle;
BOOL fForceShowWindow = FALSE;
char szTitle[256];
winDebug("winCreateBoundingWindowWindowed - User w: %d h: %d\n",
(int) pScreenInfo->dwUserWidth, (int) pScreenInfo->dwUserHeight);
winDebug("winCreateBoundingWindowWindowed - Current w: %d h: %d\n",
(int) pScreenInfo->dwWidth, (int) pScreenInfo->dwHeight);
/* Set the common window style flags */
dwWindowStyle = WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX;
/* Decorated or undecorated window */
if (pScreenInfo->fDecoration
#ifdef XWIN_MULTIWINDOWEXTWM
&& !pScreenInfo->fMWExtWM
#endif
&& !pScreenInfo->fRootless
#ifdef XWIN_MULTIWINDOW
&& !pScreenInfo->fMultiWindow
#endif
) {
/* Try to handle startup via run.exe. run.exe instructs Windows to
* hide all created windows. Detect this case and make sure the
* window is shown nevertheless */
STARTUPINFO startupInfo;
GetStartupInfo(&startupInfo);
if (startupInfo.dwFlags & STARTF_USESHOWWINDOW &&
startupInfo.wShowWindow == SW_HIDE) {
fForceShowWindow = TRUE;
}
dwWindowStyle |= WS_CAPTION;
if (pScreenInfo->iResizeMode != notAllowed)
dwWindowStyle |= WS_THICKFRAME | WS_MAXIMIZEBOX;
}
else
dwWindowStyle |= WS_POPUP;
/* Setup our window class */
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = winWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = g_hInstance;
wc.hIcon =
(HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON), 0);
wc.hCursor = 0;
wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = WINDOW_CLASS;
wc.hIconSm =
(HICON) LoadImage(g_hInstance, MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), LR_DEFAULTSIZE);
RegisterClassEx(&wc);
/* Get size of work area */
winGetWorkArea(&rcWorkArea, pScreenInfo);
/* Adjust for auto-hide taskbars */
winAdjustForAutoHide(&rcWorkArea, pScreenInfo);
/* Did the user specify a position? */
if (pScreenInfo->fUserGavePosition) {
iPosX = pScreenInfo->dwInitialX;
iPosY = pScreenInfo->dwInitialY;
}
else {
iPosX = rcWorkArea.left;
iPosY = rcWorkArea.top;
}
/* Clean up the scrollbars flag, if necessary */
if ((!pScreenInfo->fDecoration
#ifdef XWIN_MULTIWINDOWEXTWM
|| pScreenInfo->fMWExtWM
#endif
|| pScreenInfo->fRootless
#ifdef XWIN_MULTIWINDOW
|| pScreenInfo->fMultiWindow
#endif
)
&& (pScreenInfo->iResizeMode == resizeWithScrollbars)) {
/* We cannot have scrollbars if we do not have a window border */
pScreenInfo->iResizeMode = notAllowed;
}
/* Did the user specify a height and width? */
if (pScreenInfo->fUserGaveHeightAndWidth) {
/* User gave a desired height and width, try to accomodate */
#if CYGDEBUG
winDebug("winCreateBoundingWindowWindowed - User gave height "
"and width\n");
#endif
/* Adjust the window width and height for borders and title bar */
if (pScreenInfo->fDecoration
#ifdef XWIN_MULTIWINDOWEXTWM
&& !pScreenInfo->fMWExtWM
#endif
&& !pScreenInfo->fRootless
#ifdef XWIN_MULTIWINDOW
&& !pScreenInfo->fMultiWindow
#endif
) {
#if CYGDEBUG
winDebug
("winCreateBoundingWindowWindowed - Window has decoration\n");
#endif
/* Are we resizable */
if (pScreenInfo->iResizeMode != notAllowed) {
#if CYGDEBUG
winDebug
("winCreateBoundingWindowWindowed - Window is resizable\n");
#endif
iWidth += 2 * GetSystemMetrics(SM_CXSIZEFRAME);
iHeight += 2 * GetSystemMetrics(SM_CYSIZEFRAME)
+ GetSystemMetrics(SM_CYCAPTION);
}
else {
#if CYGDEBUG
winDebug
("winCreateBoundingWindowWindowed - Window is not resizable\n");
#endif
iWidth += 2 * GetSystemMetrics(SM_CXFIXEDFRAME);
iHeight += 2 * GetSystemMetrics(SM_CYFIXEDFRAME)
+ GetSystemMetrics(SM_CYCAPTION);
}
}
}
else {
/* By default, we are creating a window that is as large as possible */
#if CYGDEBUG
winDebug("winCreateBoundingWindowWindowed - User did not give "
"height and width\n");
#endif
/* Defaults are wrong if we have multiple monitors */
if (pScreenInfo->fMultipleMonitors) {
iWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);
iHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);
}
}
/* Make sure window is no bigger than work area */
if (TRUE
#ifdef XWIN_MULTIWINDOWEXTWM
&& !pScreenInfo->fMWExtWM
#endif
#ifdef XWIN_MULTIWINDOW
&& !pScreenInfo->fMultiWindow
#endif
) {
/* Trim window width to fit work area */
if (iWidth > (rcWorkArea.right - rcWorkArea.left))
iWidth = rcWorkArea.right - rcWorkArea.left;
/* Trim window height to fit work area */
if (iHeight >= (rcWorkArea.bottom - rcWorkArea.top))
iHeight = rcWorkArea.bottom - rcWorkArea.top;
#if CYGDEBUG
winDebug("winCreateBoundingWindowWindowed - Adjusted width: %d "
"height: %d\n", iWidth, iHeight);
#endif
}
/* Set display and screen-specific tooltip text */
if (g_pszQueryHost != NULL)
snprintf(szTitle,
sizeof(szTitle),
WINDOW_TITLE_XDMCP,
g_pszQueryHost, display, (int) pScreenInfo->dwScreen);
else
snprintf(szTitle,
sizeof(szTitle),
WINDOW_TITLE, display, (int) pScreenInfo->dwScreen);
/* Create the window */
*phwnd = CreateWindowExA(0, /* Extended styles */
WINDOW_CLASS, /* Class name */
szTitle, /* Window name */
dwWindowStyle, iPosX, /* Horizontal position */
iPosY, /* Vertical position */
iWidth, /* Right edge */
iHeight, /* Bottom edge */
(HWND) NULL, /* No parent or owner window */
(HMENU) NULL, /* No menu */
GetModuleHandle(NULL), /* Instance handle */
pScreenPriv); /* ScreenPrivates */
if (*phwnd == NULL) {
ErrorF("winCreateBoundingWindowWindowed - CreateWindowEx () failed\n");
return FALSE;
}
#if CYGDEBUG
winDebug("winCreateBoundingWindowWindowed - CreateWindowEx () returned\n");
#endif
if (fForceShowWindow) {
ErrorF
("winCreateBoundingWindowWindowed - Setting normal windowstyle\n");
ShowWindow(*phwnd, SW_SHOW);
}
/* Get the client area coordinates */
if (!GetClientRect(*phwnd, &rcClient)) {
ErrorF("winCreateBoundingWindowWindowed - GetClientRect () "
"failed\n");
return FALSE;
}
winDebug("winCreateBoundingWindowWindowed - WindowClient "
"w %ld h %ld r %ld l %ld b %ld t %ld\n",
rcClient.right - rcClient.left,
rcClient.bottom - rcClient.top,
rcClient.right, rcClient.left, rcClient.bottom, rcClient.top);
/* We adjust the visual size if the user did not specify it */
if (!
((pScreenInfo->iResizeMode == resizeWithScrollbars) &&
pScreenInfo->fUserGaveHeightAndWidth)) {
/*
* User did not give a height and width with scrollbars enabled,
* so we will resize the underlying visual to be as large as
* the initial view port (page size). This way scrollbars will
* not appear until the user shrinks the window, if they ever do.
*
* NOTE: We have to store the viewport size here because
* the user may have an autohide taskbar, which would
* cause the viewport size to be one less in one dimension
* than the viewport size that we calculated by subtracting
* the size of the borders and caption.
*/
pScreenInfo->dwWidth = rcClient.right - rcClient.left;
pScreenInfo->dwHeight = rcClient.bottom - rcClient.top;
}
#if 0
/*
* NOTE: For the uninitiated, the page size is the number of pixels
* that we can display in the x or y direction at a time and the
* range is the total number of pixels in the x or y direction that we
* have available to display. In other words, the page size is the
* size of the window area minus the space the caption, borders, and
* scrollbars (if any) occupy, and the range is the size of the
* underlying X visual. Notice that, contrary to what some of the
* MSDN Library arcticles lead you to believe, the windows
* ``client area'' size does not include the scrollbars. In other words,
* the whole client area size that is reported to you is drawable by
* you; you do not have to subtract the size of the scrollbars from
* the client area size, and if you did it would result in the size
* of the scrollbars being double counted.
*/
/* Setup scrollbar page and range, if scrollbars are enabled */
if (pScreenInfo->fScrollbars) {
SCROLLINFO si;
/* Initialize the scrollbar info structure */
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE;
si.nMin = 0;
/* Setup the width range and page size */
si.nMax = pScreenInfo->dwWidth - 1;
si.nPage = rcClient.right - rcClient.left;
winDebug("winCreateBoundingWindowWindowed - HORZ nMax: %d nPage :%d\n",
si.nMax, si.nPage);
SetScrollInfo(*phwnd, SB_HORZ, &si, TRUE);
/* Setup the height range and page size */
si.nMax = pScreenInfo->dwHeight - 1;
si.nPage = rcClient.bottom - rcClient.top;
winDebug("winCreateBoundingWindowWindowed - VERT nMax: %d nPage :%d\n",
si.nMax, si.nPage);
SetScrollInfo(*phwnd, SB_VERT, &si, TRUE);
}
#endif
/* Show the window */
if (FALSE
#ifdef XWIN_MULTIWINDOWEXTWM
|| pScreenInfo->fMWExtWM
#endif
#ifdef XWIN_MULTIWINDOW
|| pScreenInfo->fMultiWindow
#endif
) {
#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM)
pScreenPriv->fRootWindowShown = FALSE;
#endif
ShowWindow(*phwnd, SW_HIDE);
}
else
ShowWindow(*phwnd, SW_SHOWNORMAL);
if (!UpdateWindow(*phwnd)) {
ErrorF("winCreateBoundingWindowWindowed - UpdateWindow () failed\n");
return FALSE;
}
/* Attempt to bring our window to the top of the display */
if (TRUE
#ifdef XWIN_MULTIWINDOWEXTWM
&& !pScreenInfo->fMWExtWM
#endif
&& !pScreenInfo->fRootless
#ifdef XWIN_MULTIWINDOW
&& !pScreenInfo->fMultiWindow
#endif
) {
if (!BringWindowToTop(*phwnd)) {
ErrorF("winCreateBoundingWindowWindowed - BringWindowToTop () "
"failed\n");
return FALSE;
}
}
winDebug("winCreateBoundingWindowWindowed - Returning\n");
return TRUE;
}
/*
* Find the work area of all attached monitors
*/
static Bool
winGetWorkArea(RECT * prcWorkArea, winScreenInfo * pScreenInfo)
{
int iPrimaryWidth, iPrimaryHeight;
int iWidth, iHeight;
int iLeft, iTop;
int iPrimaryNonWorkAreaWidth, iPrimaryNonWorkAreaHeight;
/* Use GetMonitorInfo to get work area for monitor */
if (!pScreenInfo->fMultipleMonitors) {
MONITORINFO mi;
mi.cbSize = sizeof(MONITORINFO);
if (GetMonitorInfo(pScreenInfo->hMonitor, &mi)) {
*prcWorkArea = mi.rcWork;
winDebug("winGetWorkArea - Monitor %d WorkArea: %d %d %d %d\n",
pScreenInfo->iMonitor,
(int) prcWorkArea->top, (int) prcWorkArea->left,
(int) prcWorkArea->bottom, (int) prcWorkArea->right);
}
else {
ErrorF("winGetWorkArea - GetMonitorInfo() failed for monitor %d\n",
pScreenInfo->iMonitor);
}
/* Bail out here if we aren't using multiple monitors */
return TRUE;
}
/* SPI_GETWORKAREA only gets the work area of the primary screen. */
SystemParametersInfo(SPI_GETWORKAREA, 0, prcWorkArea, 0);
winDebug("winGetWorkArea - Primary Monitor WorkArea: %d %d %d %d\n",
(int) prcWorkArea->top, (int) prcWorkArea->left,
(int) prcWorkArea->bottom, (int) prcWorkArea->right);
/* Get size of full virtual screen */
iWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);
iHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);
winDebug("winGetWorkArea - Virtual screen is %d x %d\n", iWidth, iHeight);
/* Get origin of full virtual screen */
iLeft = GetSystemMetrics(SM_XVIRTUALSCREEN);
iTop = GetSystemMetrics(SM_YVIRTUALSCREEN);
winDebug("winGetWorkArea - Virtual screen origin is %d, %d\n", iLeft, iTop);
/* Get size of primary screen */
iPrimaryWidth = GetSystemMetrics(SM_CXSCREEN);
iPrimaryHeight = GetSystemMetrics(SM_CYSCREEN);
winDebug("winGetWorkArea - Primary screen is %d x %d\n",
iPrimaryWidth, iPrimaryHeight);
/* Work out how much of the primary screen we aren't using */
iPrimaryNonWorkAreaWidth = iPrimaryWidth - (prcWorkArea->right -
prcWorkArea->left);
iPrimaryNonWorkAreaHeight = iPrimaryHeight - (prcWorkArea->bottom
- prcWorkArea->top);
/* Update the rectangle to include all monitors */
if (iLeft < 0) {
prcWorkArea->left = iLeft;
}
if (iTop < 0) {
prcWorkArea->top = iTop;
}
prcWorkArea->right = prcWorkArea->left + iWidth - iPrimaryNonWorkAreaWidth;
prcWorkArea->bottom = prcWorkArea->top + iHeight -
iPrimaryNonWorkAreaHeight;
winDebug("winGetWorkArea - Adjusted WorkArea for multiple "
"monitors: %d %d %d %d\n",
(int) prcWorkArea->top, (int) prcWorkArea->left,
(int) prcWorkArea->bottom, (int) prcWorkArea->right);
return TRUE;
}
static Bool
winTaskbarOnScreenEdge(unsigned int uEdge, winScreenInfo * pScreenInfo)
{
APPBARDATA abd;
HWND hwndAutoHide;
ZeroMemory(&abd, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.uEdge = uEdge;
hwndAutoHide = (HWND) SHAppBarMessage(ABM_GETAUTOHIDEBAR, &abd);
if (hwndAutoHide != NULL) {
/*
Found an autohide taskbar on that edge, but is it on the
same monitor as the screen window?
*/
if (pScreenInfo->fMultipleMonitors ||
(MonitorFromWindow(hwndAutoHide, MONITOR_DEFAULTTONULL) ==
pScreenInfo->hMonitor))
return TRUE;
}
return FALSE;
}
/*
* Adjust the client area so that any auto-hide toolbars
* will work correctly.
*/
static Bool
winAdjustForAutoHide(RECT * prcWorkArea, winScreenInfo * pScreenInfo)
{
APPBARDATA abd;
winDebug("winAdjustForAutoHide - Original WorkArea: %d %d %d %d\n",
(int) prcWorkArea->top, (int) prcWorkArea->left,
(int) prcWorkArea->bottom, (int) prcWorkArea->right);
/* Find out if the Windows taskbar is set to auto-hide */
ZeroMemory(&abd, sizeof(abd));
abd.cbSize = sizeof(abd);
if (SHAppBarMessage(ABM_GETSTATE, &abd) & ABS_AUTOHIDE)
winDebug("winAdjustForAutoHide - Taskbar is auto hide\n");
/*
Despite the forgoing, we are checking for any AppBar
hiding along a monitor edge, not just the Windows TaskBar.
*/
/* Look for a TOP auto-hide taskbar */
if (winTaskbarOnScreenEdge(ABE_TOP, pScreenInfo)) {
winDebug("winAdjustForAutoHide - Found TOP auto-hide taskbar\n");
prcWorkArea->top += 1;
}
/* Look for a LEFT auto-hide taskbar */
if (winTaskbarOnScreenEdge(ABE_LEFT, pScreenInfo)) {
winDebug("winAdjustForAutoHide - Found LEFT auto-hide taskbar\n");
prcWorkArea->left += 1;
}
/* Look for a BOTTOM auto-hide taskbar */
if (winTaskbarOnScreenEdge(ABE_BOTTOM, pScreenInfo)) {
winDebug("winAdjustForAutoHide - Found BOTTOM auto-hide taskbar\n");
prcWorkArea->bottom -= 1;
}
/* Look for a RIGHT auto-hide taskbar */
if (winTaskbarOnScreenEdge(ABE_RIGHT, pScreenInfo)) {
winDebug("winAdjustForAutoHide - Found RIGHT auto-hide taskbar\n");
prcWorkArea->right -= 1;
}
winDebug("winAdjustForAutoHide - Adjusted WorkArea: %d %d %d %d\n",
(int) prcWorkArea->top, (int) prcWorkArea->left,
(int) prcWorkArea->bottom, (int) prcWorkArea->right);
return TRUE;
}