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Diffstat (limited to 'generic/WindowUtils.c')
| -rw-r--r-- | generic/WindowUtils.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/generic/WindowUtils.c b/generic/WindowUtils.c new file mode 100644 index 0000000..37c2086 --- /dev/null +++ b/generic/WindowUtils.c @@ -0,0 +1,269 @@ +/* + * WindowUtils.c -- Implementation of routines to manipulate windows + * + * Authors : Christophe Berthuet, Alexandre Lemort + * Creation date : Fri oct 12 14:47:42 2007 + * + */ + + +#include "WindowUtils.h" + + + +/* +************************************* + * + * Platform specific functions + * + ************************************* + */ +#ifdef _WIN32 + +/* + *----------------------------------- + * + * Win32 + * + *----------------------------------- + */ + +/* + * Enumwindows callback struct + */ +typedef struct { + HWND window; + char *windowtitle; +} EnumWindowsCallbackStruct; + + +/* + * EnumWindows Callback + */ +BOOL CALLBACK SearchWindowCallback(HWND window, LPARAM userData) +{ + char windowTitle[1024]; + EnumWindowsCallbackStruct *myStruct = (EnumWindowsCallbackStruct *)userData; + + /* Get title of our window */ + GetWindowText(window, (LPSTR)windowTitle, 1024); + + /* Test if we have found our window */ + if (Tcl_StringMatch((const char*)windowTitle, myStruct->windowtitle)) { + /* we have found our window */ + myStruct->window = window; + + /* Exit EnumWindows */ + return FALSE; + } + + return TRUE; +} + + +/* + * Retrieves the window handler of a window identified by its title + */ +HWND SearchWindowByTitle_simple(char *title, Display *display, HWND root, int depth) +{ + return FindWindow(NULL, (LPCTSTR)title); +} + +HWND SearchWindowByTitle(char *title, Display *display, HWND root, int depth) +{ + EnumWindowsCallbackStruct myStruct; + myStruct.window = NULL; + myStruct.windowtitle = title; + + /* Try to find our window */ + EnumWindows(SearchWindowCallback, (LPARAM)&myStruct); + + /* Return result */ + return myStruct.window; +} + + +/* + * Remove window decoration + */ +LONG removeWindowDecoration(HWND window) +{ + /* Get style of our window */ + LONG previousWindowStyle = GetWindowLong(window, GWL_STYLE); + LONG windowStyle = previousWindowStyle; + + /* Change style */ + windowStyle &= WS_DLGFRAME; + windowStyle &= WS_CAPTION; + windowStyle &= WS_POPUP; + windowStyle |= WS_CHILD; + + SetWindowLong(window, GWL_STYLE, windowStyle);//windowStyle); + + /* Apply change */ + /* NB: SetWindowPos parameters (HWND_BOTTOM, 0, 0, 100, 100) will not be applied */ + /* SWP_NOZORDER inhibits HWND_BOTTOM */ + /* SWP_NOMOVE inhibits 0, 0 */ + /* SWP_NOSIZE inhibits 100, 100 */ + /* SWP_FRAMECHANGED applies our new style */ + SetWindowPos(window, HWND_BOTTOM, 0, 0, 100, 100, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED); + + /* return previous style */ + return previousWindowStyle; +} + + +/* + * Restore window style + */ +void restoreWindowStyle(HWND window, LONG windowStyle) +{ + /* Restore style */ + SetWindowLong(window, GWL_STYLE, windowStyle); + + /* Apply change */ + /* NB: SetWindowPos parameters (HWND_BOTTOM, 0, 0, 100, 100) will not be applied */ + /* SWP_NOZORDER inhibits HWND_BOTTOM */ + /* SWP_NOMOVE inhibits 0, 0 */ + /* SWP_NOSIZE inhibits 100, 100 */ + /* SWP_FRAMECHANGED applies our new style */ + SetWindowPos(window, HWND_BOTTOM, 0, 0, 100, 100, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED); +} + + + + +#else + + +/* + *----------------------------------- + * + * Linux + * + *----------------------------------- + */ + + +/* + * Retrieves the window handler of a window identified by its title + */ +Window SearchWindowByTitle(char* wndTitle, Display *dpy, Window wndRoot, int depth) +{ + Window wndFound = 0; + + // Variables used in the search + Window root_return; + Window parent_return; + Window *children_return = 0 ; + unsigned int nchildren_return = 0; + + char msg[255]; + int j = 0; + + if( XQueryTree( dpy, wndRoot, &root_return, &parent_return, &children_return, &nchildren_return) != 0 ) + { + XTextProperty text_prop_return; + for( j = 0; j < nchildren_return; j++ ) + { + if( XGetWMName(dpy, children_return[j], &text_prop_return) != 0 ) + { + if (Tcl_StringMatch(((const char *)(text_prop_return.value)), wndTitle)) + { + // Window found !! + wndFound = children_return[j]; + break; + } + else + { + wndFound = SearchWindowByTitle(wndTitle, dpy, children_return[j], depth + 1 ); + if( wndFound != 0) + { + break; + } + } + } + else + { + wndFound = SearchWindowByTitle(wndTitle, dpy, children_return[j], depth + 1); + if( wndFound != 0) + { + break; + } + } + } + XFree( children_return ); + } + + return wndFound; +} + + +/* + * Get WM_STATE value of a window + */ +static int +getWM_STATE (Display *display, Window window) +{ + int status = 0; + long state = 0; + static Atom aWM_STATE = 0; + Atom actual_type = 0; + int actual_format = 0; + unsigned long num_ret = 0, num_left = 0; + unsigned char *data = NULL; + + if (!aWM_STATE) { + aWM_STATE = XInternAtom(display, "WM_STATE", False); + } + + status = XGetWindowProperty (display, window, aWM_STATE, 0L, sizeof (long), False, aWM_STATE, &actual_type, &actual_format, &num_ret, &num_left, &data); + + /*I should point out that Success is defined as 0 in X11*/ + if ((status == Success) && (NULL != data)) { + state = *(long *)data; + } else { + state = -1; + } + + if (data) { + XFree (data); + } + return state; +} + + +/* + * Withdraw a window from desktop + */ +void withdrawWindowFromDesktop (Display *display, Window window, int screenNum) { + int wm_state; + + /* Try to withdraw window */ + XWithdrawWindow (display, window, screenNum); + XSync (display, 0); + + /* Test if we succeed. Otherwise, try until it works */ + while ((wm_state = getWM_STATE (display, window)) != 0 && wm_state != -1) { + XSync (display, 0); + XWithdrawWindow (display, window, screenNum); + } +} + + + + +#endif /* ifdef _WIN32 */ + + + + +/* + ************************************ + * + * Common functions + * + ************************************ + */ + + |