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comparison mupdf-source/thirdparty/freeglut/src/mswin/fg_menu_mswin.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * fg_menu_mswin.c
3 *
4 * The Windows-specific mouse cursor related stuff.
5 *
6 * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
7 * Written by John F. Fay, <fayjf@sourceforge.net>
8 * Creation date: Sun Jan 22, 2012
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28 #define FREEGLUT_BUILDING_LIB
29 #include <GL/freeglut.h>
30 #include "../fg_internal.h"
31
32
33 extern void fgEnumMenus( FGCBMenuEnumerator enumCallback, SFG_Enumerator* enumerator );
34
35
36
37 GLvoid fgPlatformGetGameModeVMaxExtent( SFG_Window* window, int* x, int* y )
38 {
39 *x = glutGet ( GLUT_SCREEN_WIDTH );
40 *y = glutGet ( GLUT_SCREEN_HEIGHT );
41 }
42
43 static void fghcbIsActiveMenu(SFG_Menu *menu,
44 SFG_Enumerator *enumerator)
45 {
46 if (enumerator->found)
47 return;
48
49 /* Check the menu's active and the one we are searching for. */
50 if (menu->IsActive && menu->Window->Window.Handle==(HWND)enumerator->data)
51 {
52 enumerator->found = GL_TRUE;
53 enumerator->data = (void*) menu;
54 return;
55 }
56 }
57
58 void fgPlatformCheckMenuDeactivate(HWND newFocusWnd)
59 {
60 /* User/system switched application focus.
61 * If we have an open menu, close it.
62 * If the window that got focus is an active
63 * menu window, don't do anything. This occurs
64 * as it is sadly necessary to do an activating
65 * ShowWindow() for the menu to pop up over the
66 * gamemode window.
67 * If the window that got focus is the gamemode
68 * window, the menus pop under it. Bring them
69 * back in view in this special case.
70 */
71 SFG_Menu* menu = NULL;
72 SFG_Enumerator enumerator;
73
74 if ( fgState.ActiveMenus )
75 {
76 /* see if there is an active menu whose window matches the one that got focus */
77 enumerator.found = GL_FALSE;
78 enumerator.data = (void*) newFocusWnd;
79 fgEnumMenus(fghcbIsActiveMenu, &enumerator);
80 if (enumerator.found)
81 menu = (SFG_Menu*) enumerator.data;
82
83 if ( !menu )
84 {
85 /* window that got focus was not one of the active menus. That means we'll
86 * close the active menu's unless the window that got focus was their parent */
87 menu = fgGetActiveMenu();
88
89 if (newFocusWnd != menu->ParentWindow->Window.Handle)
90 {
91 /* focus shifted to another window than the menu's parent, close menus */
92 fgDeactivateMenu(menu->ParentWindow);
93 return;
94 }
95 }
96 }
97 };
98
99
100
101 /* -- PLATFORM-SPECIFIC INTERFACE FUNCTION -------------------------------------------------- */
102
103 int FGAPIENTRY __glutCreateMenuWithExit( void(* callback)( int ), void (__cdecl *exit_function)(int) )
104 {
105 __glutExitFunc = exit_function;
106 return glutCreateMenu( callback );
107 }
108