xenocara/xserver/hw/xwin/windialogs.c
2019-07-27 07:57:06 +00:00

632 lines
18 KiB
C

/*
*Copyright (C) 2003-2004 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
* Earle F. Philhower III
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include <shellapi.h>
#include "winprefs.h"
/*
* Local function prototypes
*/
static INT_PTR CALLBACK
winExitDlgProc(HWND hDialog, UINT message, WPARAM wParam, LPARAM lParam);
static INT_PTR CALLBACK
winChangeDepthDlgProc(HWND hDialog, UINT message, WPARAM wParam, LPARAM lParam);
static INT_PTR CALLBACK
winAboutDlgProc(HWND hDialog, UINT message, WPARAM wParam, LPARAM lParam);
static void
winDrawURLWindow(LPARAM lParam);
static LRESULT CALLBACK
winURLWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
static void
winOverrideURLButton(HWND hdlg, int id);
static void
winUnoverrideURLButton(HWND hdlg, int id);
/*
* Owner-draw a button as a URL
*/
static void
winDrawURLWindow(LPARAM lParam)
{
DRAWITEMSTRUCT *draw;
char str[256];
RECT rect;
HFONT font;
COLORREF crText;
draw = (DRAWITEMSTRUCT *) lParam;
GetWindowText(draw->hwndItem, str, sizeof(str));
str[255] = 0;
GetClientRect(draw->hwndItem, &rect);
/* Color the button depending upon its state */
if (draw->itemState & ODS_SELECTED)
crText = RGB(128 + 64, 0, 0);
else if (draw->itemState & ODS_FOCUS)
crText = RGB(0, 128 + 64, 0);
else
crText = RGB(0, 0, 128 + 64);
SetTextColor(draw->hDC, crText);
/* Create font 8 high, standard dialog font */
font = CreateFont(-8, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE,
0, 0, 0, 0, 0, "MS Sans Serif");
if (!font) {
ErrorF("winDrawURLWindow: Unable to create URL font, bailing.\n");
return;
}
/* Draw it */
SetBkMode(draw->hDC, OPAQUE);
SelectObject(draw->hDC, font);
DrawText(draw->hDC, str, strlen(str), &rect, DT_LEFT | DT_VCENTER);
/* Delete the created font, replace it with stock font */
DeleteObject(SelectObject(draw->hDC, GetStockObject(ANSI_VAR_FONT)));
}
/*
* WndProc for overridden buttons
*/
static LRESULT CALLBACK
winURLWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WNDPROC origCB = NULL;
HCURSOR cursor;
/* If it's a SetCursor message, tell it to the hand */
if (msg == WM_SETCURSOR) {
cursor = LoadCursor(NULL, IDC_HAND);
if (cursor)
SetCursor(cursor);
return TRUE;
}
origCB = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_USERDATA);
/* Otherwise fall through to original WndProc */
if (origCB)
return CallWindowProc(origCB, hwnd, msg, wParam, lParam);
else
return FALSE;
}
/*
* Register and unregister the custom WndProc
*/
static void
winOverrideURLButton(HWND hwnd, int id)
{
WNDPROC origCB;
origCB = (WNDPROC) SetWindowLongPtr(GetDlgItem(hwnd, id),
GWLP_WNDPROC, (LONG_PTR) winURLWndProc);
SetWindowLongPtr(GetDlgItem(hwnd, id), GWLP_USERDATA, (LONG_PTR) origCB);
}
static void
winUnoverrideURLButton(HWND hwnd, int id)
{
WNDPROC origCB;
origCB = (WNDPROC) SetWindowLongPtr(GetDlgItem(hwnd, id), GWLP_USERDATA, 0);
if (origCB)
SetWindowLongPtr(GetDlgItem(hwnd, id), GWLP_WNDPROC, (LONG_PTR) origCB);
}
/*
* Center a dialog window in the desktop window
* and set small and large icons to X icons.
*/
static void
winInitDialog(HWND hwndDlg)
{
HWND hwndDesk;
RECT rc, rcDlg, rcDesk;
HICON hIcon, hIconSmall;
hwndDesk = GetParent(hwndDlg);
if (!hwndDesk || IsIconic(hwndDesk))
hwndDesk = GetDesktopWindow();
/* Remove minimize and maximize buttons */
SetWindowLongPtr(hwndDlg, GWL_STYLE, GetWindowLongPtr(hwndDlg, GWL_STYLE)
& ~(WS_MAXIMIZEBOX | WS_MINIMIZEBOX));
/* Set Window not to show in the task bar */
SetWindowLongPtr(hwndDlg, GWL_EXSTYLE,
GetWindowLongPtr(hwndDlg, GWL_EXSTYLE) & ~WS_EX_APPWINDOW);
/* Center dialog window in the screen. Not done for multi-monitor systems, where
* it is likely to end up split across the screens. In that case, it appears
* near the Tray icon.
*/
if (GetSystemMetrics(SM_CMONITORS) > 1) {
/* Still need to refresh the frame change. */
SetWindowPos(hwndDlg, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
}
else {
GetWindowRect(hwndDesk, &rcDesk);
GetWindowRect(hwndDlg, &rcDlg);
CopyRect(&rc, &rcDesk);
OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
OffsetRect(&rc, -rc.left, -rc.top);
OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
SetWindowPos(hwndDlg,
HWND_TOPMOST,
rcDesk.left + (rc.right / 2),
rcDesk.top + (rc.bottom / 2),
0, 0, SWP_NOSIZE | SWP_FRAMECHANGED);
}
if (g_hIconX)
hIcon = g_hIconX;
else
hIcon = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_XWIN));
if (g_hSmallIconX)
hIconSmall = g_hSmallIconX;
else
hIconSmall = LoadImage(g_hInstance,
MAKEINTRESOURCE(IDI_XWIN), IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), LR_SHARED);
PostMessage(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM) hIcon);
PostMessage(hwndDlg, WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall);
}
/*
* Display the Exit dialog box
*/
void
winDisplayExitDialog(winPrivScreenPtr pScreenPriv)
{
int i;
int liveClients = 0;
/* Count up running clients (clients[0] is serverClient) */
for (i = 1; i < currentMaxClients; i++)
if (clients[i] != NullClient)
liveClients++;
/* Count down server internal clients */
if (pScreenPriv->pScreenInfo->fMultiWindow)
liveClients -= 2; /* multiwindow window manager & XMsgProc */
if (g_fClipboardStarted)
liveClients--; /* clipboard manager */
/* A user reported that this sometimes drops below zero. just eye-candy. */
if (liveClients < 0)
liveClients = 0;
/* Don't show the exit confirmation dialog if SilentExit & no clients,
or ForceExit, is enabled */
if ((pref.fSilentExit && liveClients <= 0) || pref.fForceExit) {
if (g_hDlgExit != NULL) {
DestroyWindow(g_hDlgExit);
g_hDlgExit = NULL;
}
PostMessage(pScreenPriv->hwndScreen, WM_GIVEUP, 0, 0);
return;
}
pScreenPriv->iConnectedClients = liveClients;
/* Check if dialog already exists */
if (g_hDlgExit != NULL) {
/* Dialog box already exists, display it */
ShowWindow(g_hDlgExit, SW_SHOWDEFAULT);
/* User has lost the dialog. Show them where it is. */
SetForegroundWindow(g_hDlgExit);
return;
}
/* Create dialog box */
g_hDlgExit = CreateDialogParam(g_hInstance,
"EXIT_DIALOG",
pScreenPriv->hwndScreen,
winExitDlgProc, (LPARAM) pScreenPriv);
/* Show the dialog box */
ShowWindow(g_hDlgExit, SW_SHOW);
/* Needed to get keyboard controls (tab, arrows, enter, esc) to work */
SetForegroundWindow(g_hDlgExit);
/* Set focus to the Cancel button */
PostMessage(g_hDlgExit, WM_NEXTDLGCTL,
(WPARAM) GetDlgItem(g_hDlgExit, IDCANCEL), TRUE);
}
#define CONNECTED_CLIENTS_FORMAT "There %s currently %d client%s connected."
/*
* Exit dialog window procedure
*/
static INT_PTR CALLBACK
winExitDlgProc(HWND hDialog, UINT message, WPARAM wParam, LPARAM lParam)
{
static winPrivScreenPtr s_pScreenPriv = NULL;
/* Branch on message type */
switch (message) {
case WM_INITDIALOG:
{
char *pszConnectedClients;
/* Store pointers to private structures for future use */
s_pScreenPriv = (winPrivScreenPtr) lParam;
winInitDialog(hDialog);
/* Format the connected clients string */
if (asprintf(&pszConnectedClients, CONNECTED_CLIENTS_FORMAT,
(s_pScreenPriv->iConnectedClients == 1) ? "is" : "are",
s_pScreenPriv->iConnectedClients,
(s_pScreenPriv->iConnectedClients == 1) ? "" : "s") == -1)
return TRUE;
/* Set the number of connected clients */
SetWindowText(GetDlgItem(hDialog, IDC_CLIENTS_CONNECTED),
pszConnectedClients);
free(pszConnectedClients);
}
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
/* Send message to call the GiveUp function */
PostMessage(s_pScreenPriv->hwndScreen, WM_GIVEUP, 0, 0);
DestroyWindow(g_hDlgExit);
g_hDlgExit = NULL;
/* Fix to make sure keyboard focus isn't trapped */
PostMessage(s_pScreenPriv->hwndScreen, WM_NULL, 0, 0);
return TRUE;
case IDCANCEL:
DestroyWindow(g_hDlgExit);
g_hDlgExit = NULL;
/* Fix to make sure keyboard focus isn't trapped */
PostMessage(s_pScreenPriv->hwndScreen, WM_NULL, 0, 0);
return TRUE;
}
break;
case WM_MOUSEMOVE:
case WM_NCMOUSEMOVE:
/* Show the cursor if it is hidden */
if (g_fSoftwareCursor && !g_fCursor) {
g_fCursor = TRUE;
ShowCursor(TRUE);
}
return TRUE;
case WM_CLOSE:
DestroyWindow(g_hDlgExit);
g_hDlgExit = NULL;
/* Fix to make sure keyboard focus isn't trapped */
PostMessage(s_pScreenPriv->hwndScreen, WM_NULL, 0, 0);
return TRUE;
}
return FALSE;
}
/*
* Display the Depth Change dialog box
*/
void
winDisplayDepthChangeDialog(winPrivScreenPtr pScreenPriv)
{
/* Check if dialog already exists */
if (g_hDlgDepthChange != NULL) {
/* Dialog box already exists, display it */
ShowWindow(g_hDlgDepthChange, SW_SHOWDEFAULT);
/* User has lost the dialog. Show them where it is. */
SetForegroundWindow(g_hDlgDepthChange);
return;
}
/*
* Display a notification to the user that the visual
* will not be displayed until the Windows display depth
* is restored to the original value.
*/
g_hDlgDepthChange = CreateDialogParam(g_hInstance,
"DEPTH_CHANGE_BOX",
pScreenPriv->hwndScreen,
winChangeDepthDlgProc,
(LPARAM) pScreenPriv);
/* Show the dialog box */
ShowWindow(g_hDlgDepthChange, SW_SHOW);
if (!g_hDlgDepthChange)
ErrorF("winDisplayDepthChangeDialog - GetLastError: %d\n",
(int) GetLastError());
/* Minimize the display window */
ShowWindow(pScreenPriv->hwndScreen, SW_MINIMIZE);
}
/*
* Process messages for the dialog that is displayed for
* disruptive screen depth changes.
*/
static INT_PTR CALLBACK
winChangeDepthDlgProc(HWND hwndDialog, UINT message,
WPARAM wParam, LPARAM lParam)
{
static winPrivScreenPtr s_pScreenPriv = NULL;
static winScreenInfo *s_pScreenInfo = NULL;
#if CYGDEBUG
winDebug("winChangeDepthDlgProc\n");
#endif
/* Branch on message type */
switch (message) {
case WM_INITDIALOG:
#if CYGDEBUG
winDebug("winChangeDepthDlgProc - WM_INITDIALOG\n");
#endif
/* Store pointers to private structures for future use */
s_pScreenPriv = (winPrivScreenPtr) lParam;
s_pScreenInfo = s_pScreenPriv->pScreenInfo;
#if CYGDEBUG
winDebug("winChangeDepthDlgProc - WM_INITDIALOG - s_pScreenPriv: %p, "
"s_pScreenInfo: %p\n",
s_pScreenPriv, s_pScreenInfo);
#endif
#if CYGDEBUG
winDebug("winChangeDepthDlgProc - WM_INITDIALOG - orig bpp: %u, "
"current bpp: %d\n",
(unsigned int)s_pScreenInfo->dwBPP,
GetDeviceCaps(s_pScreenPriv->hdcScreen, BITSPIXEL));
#endif
winInitDialog(hwndDialog);
return TRUE;
case WM_DISPLAYCHANGE:
#if CYGDEBUG
winDebug("winChangeDepthDlgProc - WM_DISPLAYCHANGE - orig bpp: %u, "
"new bpp: %d\n",
(unsigned int)s_pScreenInfo->dwBPP,
GetDeviceCaps(s_pScreenPriv->hdcScreen, BITSPIXEL));
#endif
/* Dismiss the dialog if the display returns to the original depth */
if (GetDeviceCaps(s_pScreenPriv->hdcScreen, BITSPIXEL) ==
s_pScreenInfo->dwBPP) {
ErrorF("winChangeDelthDlgProc - wParam == s_pScreenInfo->dwBPP\n");
/* Depth has been restored, dismiss dialog */
DestroyWindow(g_hDlgDepthChange);
g_hDlgDepthChange = NULL;
/* Flag that we have a valid screen depth */
s_pScreenPriv->fBadDepth = FALSE;
}
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
case IDCANCEL:
winDebug("winChangeDepthDlgProc - WM_COMMAND - IDOK or IDCANCEL\n");
/*
* User dismissed the dialog, hide it until the
* display mode is restored.
*/
ShowWindow(g_hDlgDepthChange, SW_HIDE);
return TRUE;
}
break;
case WM_CLOSE:
winDebug("winChangeDepthDlgProc - WM_CLOSE\n");
DestroyWindow(g_hDlgAbout);
g_hDlgAbout = NULL;
/* Fix to make sure keyboard focus isn't trapped */
PostMessage(s_pScreenPriv->hwndScreen, WM_NULL, 0, 0);
return TRUE;
}
return FALSE;
}
/*
* Display the About dialog box
*/
void
winDisplayAboutDialog(winPrivScreenPtr pScreenPriv)
{
/* Check if dialog already exists */
if (g_hDlgAbout != NULL) {
/* Dialog box already exists, display it */
ShowWindow(g_hDlgAbout, SW_SHOWDEFAULT);
/* User has lost the dialog. Show them where it is. */
SetForegroundWindow(g_hDlgAbout);
return;
}
/*
* Display the about box
*/
g_hDlgAbout = CreateDialogParam(g_hInstance,
"ABOUT_BOX",
pScreenPriv->hwndScreen,
winAboutDlgProc, (LPARAM) pScreenPriv);
/* Show the dialog box */
ShowWindow(g_hDlgAbout, SW_SHOW);
/* Needed to get keyboard controls (tab, arrows, enter, esc) to work */
SetForegroundWindow(g_hDlgAbout);
/* Set focus to the OK button */
PostMessage(g_hDlgAbout, WM_NEXTDLGCTL,
(WPARAM) GetDlgItem(g_hDlgAbout, IDOK), TRUE);
}
/*
* Process messages for the about dialog.
*/
static INT_PTR CALLBACK
winAboutDlgProc(HWND hwndDialog, UINT message, WPARAM wParam, LPARAM lParam)
{
static winPrivScreenPtr s_pScreenPriv = NULL;
#if CYGDEBUG
winDebug("winAboutDlgProc\n");
#endif
/* Branch on message type */
switch (message) {
case WM_INITDIALOG:
#if CYGDEBUG
winDebug("winAboutDlgProc - WM_INITDIALOG\n");
#endif
/* Store pointer to private structure for future use */
s_pScreenPriv = (winPrivScreenPtr) lParam;
winInitDialog(hwndDialog);
/* Override the URL buttons */
winOverrideURLButton(hwndDialog, ID_ABOUT_WEBSITE);
return TRUE;
case WM_DRAWITEM:
/* Draw the URL buttons as needed */
winDrawURLWindow(lParam);
return TRUE;
case WM_MOUSEMOVE:
case WM_NCMOUSEMOVE:
/* Show the cursor if it is hidden */
if (g_fSoftwareCursor && !g_fCursor) {
g_fCursor = TRUE;
ShowCursor(TRUE);
}
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
case IDCANCEL:
winDebug("winAboutDlgProc - WM_COMMAND - IDOK or IDCANCEL\n");
DestroyWindow(g_hDlgAbout);
g_hDlgAbout = NULL;
/* Fix to make sure keyboard focus isn't trapped */
PostMessage(s_pScreenPriv->hwndScreen, WM_NULL, 0, 0);
/* Restore window procedures for URL buttons */
winUnoverrideURLButton(hwndDialog, ID_ABOUT_WEBSITE);
return TRUE;
case ID_ABOUT_WEBSITE:
{
const char *pszPath = __VENDORDWEBSUPPORT__;
INT_PTR iReturn;
iReturn = (INT_PTR) ShellExecute(NULL,
"open",
pszPath, NULL, NULL, SW_MAXIMIZE);
if (iReturn < 32) {
ErrorF("winAboutDlgProc - WM_COMMAND - ID_ABOUT_WEBSITE - "
"ShellExecute failed: %d\n", (int)iReturn);
}
}
return TRUE;
}
break;
case WM_CLOSE:
winDebug("winAboutDlgProc - WM_CLOSE\n");
DestroyWindow(g_hDlgAbout);
g_hDlgAbout = NULL;
/* Fix to make sure keyboard focus isn't trapped */
PostMessage(s_pScreenPriv->hwndScreen, WM_NULL, 0, 0);
/* Restore window procedures for URL buttons */
winUnoverrideURLButton(hwndDialog, ID_ABOUT_WEBSITE);
return TRUE;
}
return FALSE;
}