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

768 lines
22 KiB
C

/*
* Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
* Copyright (C) Colin Harrison 2005-2008
*
* 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 THE XFREE86 PROJECT 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 the XFree86 Project
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* from the XFree86 Project.
*
* Authors: Earle F. Philhower, III
* Colin Harrison
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#ifdef __CYGWIN__
#include <sys/resource.h>
#endif
#include "win.h"
#include <X11/Xwindows.h>
#include <shellapi.h>
#include "winprefs.h"
#include "windisplay.h"
#include "winmultiwindowclass.h"
#include "winmultiwindowicons.h"
/* Where will the custom menu commands start counting from? */
#define STARTMENUID WM_USER
extern const char *winGetBaseDir(void);
/* From winprefslex.l, the real parser */
extern int parse_file(FILE * fp);
/* Currently in use command ID, incremented each new menu item created */
static int g_cmdid = STARTMENUID;
/* Local function to handle comma-ified icon names */
static HICON LoadImageComma(char *fname, int sx, int sy, int flags);
/*
* Creates or appends a menu from a MENUPARSED structure
*/
static HMENU
MakeMenu(char *name, HMENU editMenu, int editItem)
{
int i;
int item;
MENUPARSED *m;
HMENU hmenu, hsub;
for (i = 0; i < pref.menuItems; i++) {
if (!strcmp(name, pref.menu[i].menuName))
break;
}
/* Didn't find a match, bummer */
if (i == pref.menuItems) {
ErrorF("MakeMenu: Can't find menu %s\n", name);
return NULL;
}
m = &(pref.menu[i]);
if (editMenu) {
hmenu = editMenu;
item = editItem;
}
else {
hmenu = CreatePopupMenu();
if (!hmenu) {
ErrorF("MakeMenu: Unable to CreatePopupMenu() %s\n", name);
return NULL;
}
item = 0;
}
/* Add the menu items */
for (i = 0; i < m->menuItems; i++) {
/* Only assign IDs one time... */
if (m->menuItem[i].commandID == 0)
m->menuItem[i].commandID = g_cmdid++;
switch (m->menuItem[i].cmd) {
case CMD_EXEC:
case CMD_ALWAYSONTOP:
case CMD_RELOAD:
InsertMenu(hmenu,
item,
MF_BYPOSITION | MF_ENABLED | MF_STRING,
m->menuItem[i].commandID, m->menuItem[i].text);
break;
case CMD_SEPARATOR:
InsertMenu(hmenu, item, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
break;
case CMD_MENU:
/* Recursive! */
hsub = MakeMenu(m->menuItem[i].param, 0, 0);
if (hsub)
InsertMenu(hmenu,
item,
MF_BYPOSITION | MF_POPUP | MF_ENABLED | MF_STRING,
(UINT_PTR) hsub, m->menuItem[i].text);
break;
}
/* If item==-1 (means to add at end of menu) don't increment) */
if (item >= 0)
item++;
}
return hmenu;
}
/*
* Callback routine that is executed once per window class.
* Removes or creates custom window settings depending on LPARAM
*/
static wBOOL CALLBACK
ReloadEnumWindowsProc(HWND hwnd, LPARAM lParam)
{
HICON hicon;
if (!hwnd) {
ErrorF("ReloadEnumWindowsProc: hwnd==NULL!\n");
return FALSE;
}
/* It's our baby, either clean or dirty it */
if (lParam == FALSE) {
/* Reset the window's icon to undefined. */
hicon = (HICON) SendMessage(hwnd, WM_SETICON, ICON_BIG, 0);
/* If the old icon is generated on-the-fly, get rid of it, will regen */
winDestroyIcon(hicon);
/* Same for the small icon */
hicon = (HICON) SendMessage(hwnd, WM_SETICON, ICON_SMALL, 0);
winDestroyIcon(hicon);
/* Remove any menu additions; bRevert=TRUE destroys any modified menus */
GetSystemMenu(hwnd, TRUE);
/* This window is now clean of our taint (but with undefined icons) */
}
else {
/* Send a message to WM thread telling it re-evaluate the icon for this window */
{
winWMMessageRec wmMsg;
WindowPtr pWin = GetProp(hwnd, WIN_WINDOW_PROP);
if (pWin) {
winPrivWinPtr pWinPriv = winGetWindowPriv(pWin);
winPrivScreenPtr s_pScreenPriv = pWinPriv->pScreenPriv;
wmMsg.msg = WM_WM_ICON_EVENT;
wmMsg.hwndWindow = hwnd;
wmMsg.iWindow = (Window) (INT_PTR) GetProp(hwnd, WIN_WID_PROP);
winSendMessageToWM(s_pScreenPriv->pWMInfo, &wmMsg);
}
}
/* Update the system menu for this window */
SetupSysMenu(hwnd);
/* That was easy... */
}
return TRUE;
}
/*
* Removes any custom icons in classes, custom menus, etc.
* Frees all members in pref structure.
* Reloads the preferences file.
* Set custom icons and menus again.
*/
static void
ReloadPrefs(winPrivScreenPtr pScreenPriv)
{
int i;
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
/* First, iterate over all windows, deleting their icons and custom menus.
* This is really only needed because winDestroyIcon() will try to
* destroy the old global icons, which will have changed.
* It is probably better to set a windows USER_DATA to flag locally defined
* icons, and use that to accurately know when to destroy old icons.
*/
if (pScreenInfo->fMultiWindow)
EnumThreadWindows(g_dwCurrentThreadID, ReloadEnumWindowsProc, FALSE);
/* Now, free/clear all info from our prefs structure */
for (i = 0; i < pref.menuItems; i++)
free(pref.menu[i].menuItem);
free(pref.menu);
pref.menu = NULL;
pref.menuItems = 0;
pref.rootMenuName[0] = 0;
free(pref.sysMenu);
pref.sysMenuItems = 0;
pref.defaultSysMenuName[0] = 0;
pref.defaultSysMenuPos = 0;
pref.iconDirectory[0] = 0;
pref.defaultIconName[0] = 0;
pref.trayIconName[0] = 0;
for (i = 0; i < pref.iconItems; i++)
if (pref.icon[i].hicon)
DestroyIcon((HICON) pref.icon[i].hicon);
free(pref.icon);
pref.icon = NULL;
pref.iconItems = 0;
/* Free global default X icon */
if (g_hIconX)
DestroyIcon(g_hIconX);
if (g_hSmallIconX)
DestroyIcon(g_hSmallIconX);
/* Reset the custom command IDs */
g_cmdid = STARTMENUID;
/* Load the updated resource file */
LoadPreferences();
g_hIconX = NULL;
g_hSmallIconX = NULL;
if (pScreenInfo->fMultiWindow) {
winInitGlobalIcons();
/* Rebuild the icons and menus */
EnumThreadWindows(g_dwCurrentThreadID, ReloadEnumWindowsProc, TRUE);
}
/* Whew, done */
}
/*
* Check/uncheck the ALWAYSONTOP items in this menu
*/
void
HandleCustomWM_INITMENU(HWND hwnd, HMENU hmenu)
{
DWORD dwExStyle;
int i, j;
if (!hwnd || !hmenu)
return;
if (GetWindowLongPtr(hwnd, GWL_EXSTYLE) & WS_EX_TOPMOST)
dwExStyle = MF_BYCOMMAND | MF_CHECKED;
else
dwExStyle = MF_BYCOMMAND | MF_UNCHECKED;
for (i = 0; i < pref.menuItems; i++)
for (j = 0; j < pref.menu[i].menuItems; j++)
if (pref.menu[i].menuItem[j].cmd == CMD_ALWAYSONTOP)
CheckMenuItem(hmenu, pref.menu[i].menuItem[j].commandID,
dwExStyle);
}
/*
* Searches for the custom WM_COMMAND command ID and performs action.
* Return TRUE if command is proccessed, FALSE otherwise.
*/
Bool
HandleCustomWM_COMMAND(HWND hwnd, WORD command, winPrivScreenPtr pScreenPriv)
{
int i, j;
MENUPARSED *m;
DWORD dwExStyle;
if (!command)
return FALSE;
for (i = 0; i < pref.menuItems; i++) {
m = &(pref.menu[i]);
for (j = 0; j < m->menuItems; j++) {
if (command == m->menuItem[j].commandID) {
/* Match! */
switch (m->menuItem[j].cmd) {
#ifdef __CYGWIN__
case CMD_EXEC:
if (fork() == 0) {
struct rlimit rl;
int fd;
/* Close any open descriptors except for STD* */
getrlimit(RLIMIT_NOFILE, &rl);
for (fd = STDERR_FILENO + 1; fd < rl.rlim_cur; fd++)
close(fd);
/* Disassociate any TTYs */
setsid();
execl("/bin/sh",
"/bin/sh", "-c", m->menuItem[j].param, NULL);
exit(0);
}
else
return TRUE;
break;
#else
case CMD_EXEC:
{
/* Start process without console window */
STARTUPINFO start;
PROCESS_INFORMATION child;
memset(&start, 0, sizeof(start));
start.cb = sizeof(start);
start.dwFlags = STARTF_USESHOWWINDOW;
start.wShowWindow = SW_HIDE;
memset(&child, 0, sizeof(child));
if (CreateProcess
(NULL, m->menuItem[j].param, NULL, NULL, FALSE, 0, NULL,
NULL, &start, &child)) {
CloseHandle(child.hThread);
CloseHandle(child.hProcess);
}
else
MessageBox(NULL, m->menuItem[j].param,
"Mingrc Exec Command Error!",
MB_OK | MB_ICONEXCLAMATION);
}
return TRUE;
#endif
case CMD_ALWAYSONTOP:
if (!hwnd)
return FALSE;
/* Get extended window style */
dwExStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
/* Handle topmost windows */
if (dwExStyle & WS_EX_TOPMOST)
SetWindowPos(hwnd,
HWND_NOTOPMOST,
0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
else
SetWindowPos(hwnd,
HWND_TOPMOST,
0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
{
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
if (pScreenInfo->fMultiWindow)
/* Reflect the changed Z order */
winReorderWindowsMultiWindow();
}
return TRUE;
case CMD_RELOAD:
ReloadPrefs(pScreenPriv);
return TRUE;
default:
return FALSE;
}
} /* match */
} /* for j */
} /* for i */
return FALSE;
}
/*
* Add the default or a custom menu depending on the class match
*/
void
SetupSysMenu(HWND hwnd)
{
HMENU sys;
int i;
WindowPtr pWin;
char *res_name, *res_class;
if (!hwnd)
return;
pWin = GetProp(hwnd, WIN_WINDOW_PROP);
sys = GetSystemMenu(hwnd, FALSE);
if (!sys)
return;
if (pWin) {
/* First see if there's a class match... */
if (winMultiWindowGetClassHint(pWin, &res_name, &res_class)) {
for (i = 0; i < pref.sysMenuItems; i++) {
if (!strcmp(pref.sysMenu[i].match, res_name) ||
!strcmp(pref.sysMenu[i].match, res_class)) {
free(res_name);
free(res_class);
MakeMenu(pref.sysMenu[i].menuName, sys,
pref.sysMenu[i].menuPos == AT_START ? 0 : -1);
return;
}
}
/* No match, just free alloc'd strings */
free(res_name);
free(res_class);
} /* Found wm_class */
} /* if pwin */
/* Fallback to system default */
if (pref.defaultSysMenuName[0]) {
if (pref.defaultSysMenuPos == AT_START)
MakeMenu(pref.defaultSysMenuName, sys, 0);
else
MakeMenu(pref.defaultSysMenuName, sys, -1);
}
}
/*
* Possibly add a menu to the toolbar icon
*/
void
SetupRootMenu(HMENU root)
{
if (!root)
return;
if (pref.rootMenuName[0]) {
MakeMenu(pref.rootMenuName, root, 0);
}
}
/*
* Check for and return an overridden default ICON specified in the prefs
*/
HICON
winOverrideDefaultIcon(int size)
{
HICON hicon;
if (pref.defaultIconName[0]) {
hicon = LoadImageComma(pref.defaultIconName, size, size, 0);
if (hicon == NULL)
ErrorF("winOverrideDefaultIcon: LoadImageComma(%s) failed\n",
pref.defaultIconName);
return hicon;
}
return 0;
}
/*
* Return the HICON to use in the taskbar notification area
*/
HICON
winTaskbarIcon(void)
{
HICON hicon;
hicon = 0;
/* First try and load an overridden, if success then return it */
if (pref.trayIconName[0]) {
hicon = LoadImageComma(pref.trayIconName,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), 0);
}
/* Otherwise return the default */
if (!hicon)
hicon = (HICON) LoadImage(g_hInstance,
MAKEINTRESOURCE(IDI_XWIN),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), 0);
return hicon;
}
/*
* Parse a filename to extract an icon:
* If fname is exactly ",nnn" then extract icon from our resource
* else if it is "file,nnn" then extract icon nnn from that file
* else try to load it as an .ico file and if that fails return NULL
*/
static HICON
LoadImageComma(char *fname, int sx, int sy, int flags)
{
HICON hicon;
int i;
char file[PATH_MAX + NAME_MAX + 2];
/* Some input error checking */
if (!fname || !fname[0])
return NULL;
i = 0;
hicon = NULL;
if (fname[0] == ',') {
/* It's the XWIN.EXE resource they want */
i = atoi(fname + 1);
hicon = LoadImage(g_hInstance,
MAKEINTRESOURCE(i), IMAGE_ICON, sx, sy, flags);
}
else {
file[0] = 0;
/* Prepend path if not given a "X:\" filename */
if (!(fname[0] && fname[1] == ':' && fname[2] == '\\')) {
strcpy(file, pref.iconDirectory);
if (pref.iconDirectory[0])
if (fname[strlen(fname) - 1] != '\\')
strcat(file, "\\");
}
strcat(file, fname);
if (strrchr(file, ',')) {
/* Specified as <fname>,<index> */
*(strrchr(file, ',')) = 0; /* End string at comma */
i = atoi(strrchr(fname, ',') + 1);
hicon = ExtractIcon(g_hInstance, file, i);
}
else {
/* Just an .ico file... */
hicon = (HICON) LoadImage(NULL,
file,
IMAGE_ICON,
sx, sy, LR_LOADFROMFILE | flags);
}
}
return hicon;
}
/*
* Check for a match of the window class to one specified in the
* ICONS{} section in the prefs file, and load the icon from a file
*/
HICON
winOverrideIcon(char *res_name, char *res_class, char *wmName)
{
int i;
HICON hicon;
for (i = 0; i < pref.iconItems; i++) {
if ((res_name && !strcmp(pref.icon[i].match, res_name)) ||
(res_class && !strcmp(pref.icon[i].match, res_class)) ||
(wmName && strstr(wmName, pref.icon[i].match))) {
if (pref.icon[i].hicon)
return pref.icon[i].hicon;
hicon = LoadImageComma(pref.icon[i].iconFile, 0, 0, LR_DEFAULTSIZE);
if (hicon == NULL)
ErrorF("winOverrideIcon: LoadImageComma(%s) failed\n",
pref.icon[i].iconFile);
pref.icon[i].hicon = hicon;
return hicon;
}
}
/* Didn't find the icon, fail gracefully */
return 0;
}
/*
* Should we free this icon or leave it in memory (is it part of our
* ICONS{} overrides)?
*/
int
winIconIsOverride(HICON hicon)
{
int i;
if (!hicon)
return 0;
for (i = 0; i < pref.iconItems; i++)
if ((HICON) pref.icon[i].hicon == hicon)
return 1;
return 0;
}
/*
* Open and parse the XWinrc config file @path.
* If @path is NULL, use the built-in default.
*/
static int
winPrefsLoadPreferences(const char *path)
{
FILE *prefFile = NULL;
if (path)
prefFile = fopen(path, "r");
#ifdef __CYGWIN__
else {
char defaultPrefs[] =
"MENU rmenu {\n"
" \"How to customize this menu\" EXEC \"xterm +tb -e man XWinrc\"\n"
" \"Launch xterm\" EXEC xterm\n"
" \"Load .XWinrc\" RELOAD\n"
" SEPARATOR\n" "}\n" "\n" "ROOTMENU rmenu\n";
path = "built-in default";
prefFile = fmemopen(defaultPrefs, strlen(defaultPrefs), "r");
}
#endif
if (!prefFile) {
ErrorF("LoadPreferences: %s not found\n", path);
return FALSE;
}
ErrorF("LoadPreferences: Loading %s\n", path);
if ((parse_file(prefFile)) != 0) {
ErrorF("LoadPreferences: %s is badly formed!\n", path);
fclose(prefFile);
return FALSE;
}
fclose(prefFile);
return TRUE;
}
/*
* Try and open ~/.XWinrc and system.XWinrc
* Load it into prefs structure for use by other functions
*/
void
LoadPreferences(void)
{
char *home;
char fname[PATH_MAX + NAME_MAX + 2];
char szDisplay[512];
char *szEnvDisplay;
int i, j;
char param[PARAM_MAX + 1];
char *srcParam, *dstParam;
int parsed = FALSE;
/* First, clear all preference settings */
memset(&pref, 0, sizeof(pref));
/* Now try and find a ~/.xwinrc file */
home = getenv("HOME");
if (home) {
strcpy(fname, home);
if (fname[strlen(fname) - 1] != '/')
strcat(fname, "/");
strcat(fname, ".XWinrc");
parsed = winPrefsLoadPreferences(fname);
}
/* No home file found, check system default */
if (!parsed) {
char buffer[MAX_PATH];
#ifdef RELOCATE_PROJECTROOT
snprintf(buffer, sizeof(buffer), "%s\\system.XWinrc", winGetBaseDir());
#else
strncpy(buffer, SYSCONFDIR "/X11/system.XWinrc", sizeof(buffer));
#endif
buffer[sizeof(buffer) - 1] = 0;
parsed = winPrefsLoadPreferences(buffer);
}
/* Neither user nor system configuration found, or were badly formed */
if (!parsed) {
ErrorF
("LoadPreferences: See \"man XWinrc\" to customize the XWin menu.\n");
parsed = winPrefsLoadPreferences(NULL);
}
/* Setup a DISPLAY environment variable, need to allocate on heap */
/* because putenv doesn't copy the argument... */
winGetDisplayName(szDisplay, 0);
szEnvDisplay = (char *) (malloc(strlen(szDisplay) + strlen("DISPLAY=") + 1));
if (szEnvDisplay) {
snprintf(szEnvDisplay, 512, "DISPLAY=%s", szDisplay);
putenv(szEnvDisplay);
}
/* Replace any "%display%" in menu commands with display string */
for (i = 0; i < pref.menuItems; i++) {
for (j = 0; j < pref.menu[i].menuItems; j++) {
if (pref.menu[i].menuItem[j].cmd == CMD_EXEC) {
srcParam = pref.menu[i].menuItem[j].param;
dstParam = param;
while (*srcParam) {
if (!strncmp(srcParam, "%display%", 9)) {
memcpy(dstParam, szDisplay, strlen(szDisplay));
dstParam += strlen(szDisplay);
srcParam += 9;
}
else {
*dstParam = *srcParam;
dstParam++;
srcParam++;
}
}
*dstParam = 0;
strcpy(pref.menu[i].menuItem[j].param, param);
} /* cmd==cmd_exec */
} /* for all menuitems */
} /* for all menus */
}
/*
* Check for a match of the window class to one specified in the
* STYLES{} section in the prefs file, and return the style type
*/
unsigned long
winOverrideStyle(char *res_name, char *res_class, char *wmName)
{
int i;
for (i = 0; i < pref.styleItems; i++) {
if ((res_name && !strcmp(pref.style[i].match, res_name)) ||
(res_class && !strcmp(pref.style[i].match, res_class)) ||
(wmName && strstr(wmName, pref.style[i].match))) {
if (pref.style[i].type)
return pref.style[i].type;
}
}
/* Didn't find the style, fail gracefully */
return STYLE_NONE;
}