1 //
2 // "$Id: win32.H 8726 2011-05-23 18:32:47Z AlbrechtS $"
3 //
4 // WIN32 header file for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2011 by Bill Spitzak and others.
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 // http://www.fltk.org/str.php
26 //
27
28 // Do not directly include this file, instead use <FL/x.H>. It will
29 // include this file if WIN32 is defined. This is to encourage
30 // portability of even the system-specific code...
31
32 #ifndef FL_DOXYGEN
33 #ifndef Fl_X_H
34 # error "Never use <FL/win32.H> directly; include <FL/x.H> instead."
35 #endif // !Fl_X_H
36
37 #include <windows.h>
38 typedef HRGN Fl_Region;
39 typedef HWND Window;
40 typedef POINT XPoint;
41
42 #include <FL/Fl_Window.H>
43
44 // this part is included only when compiling the FLTK library or if requested explicitly
45 #if defined(FL_LIBRARY) || defined(FL_INTERNALS)
46
47 // In some of the distributions, the gcc header files are missing some stuff:
48 #ifndef LPMINMAXINFO
49 #define LPMINMAXINFO MINMAXINFO*
50 #endif
51 #ifndef VK_LWIN
52 #define VK_LWIN 0x5B
53 #define VK_RWIN 0x5C
54 #define VK_APPS 0x5D
55 #endif
56
57 // some random X equivalents
58 struct XRectangle {int x, y, width, height;};
59 extern Fl_Region XRectangleRegion(int x, int y, int w, int h);
XDestroyRegion(Fl_Region r)60 inline void XDestroyRegion(Fl_Region r) {DeleteObject(r);}
XClipBox(Fl_Region r,XRectangle * rect)61 inline void XClipBox(Fl_Region r,XRectangle* rect) {
62 RECT win_rect; GetRgnBox(r,&win_rect);
63 rect->x=win_rect.left;
64 rect->y=win_rect.top;
65 rect->width=win_rect.right-win_rect.left;
66 rect->height=win_rect.bottom-win_rect.top;
67 }
68 #define XDestroyWindow(a,b) DestroyWindow(b)
69 #define XMapWindow(a,b) ShowWindow(b, SW_RESTORE)
70 #define XUnmapWindow(a,b) ShowWindow(b, SW_HIDE)
71
72 // this object contains all win32-specific stuff about a window:
73 // Warning: this object is highly subject to change!
74 class FL_EXPORT Fl_X {
75 public:
76 // member variables - add new variables only at the end of this block
77 Window xid;
78 HBITMAP other_xid; // for double-buffered windows
79 Fl_Window* w;
80 Fl_Region region;
81 Fl_X *next;
82 int wait_for_expose;
83 HDC private_dc; // used for OpenGL
84 HCURSOR cursor;
85 HDC saved_hdc; // saves the handle of the DC currently loaded
86 // static variables, static functions and member functions
87 static Fl_X* first;
i(const Fl_Window * w)88 static Fl_X* i(const Fl_Window* w) {return w->i;}
89 static int fake_X_wm(const Fl_Window* w,int &X, int &Y,
90 int &bt,int &bx,int &by);
setwindow(Fl_Window * wi)91 void setwindow(Fl_Window* wi) {w=wi; wi->i=this;}
flush()92 void flush() {w->flush();}
93 void set_minmax(LPMINMAXINFO minmax);
94 void mapraise();
95 static Fl_X* make(Fl_Window*);
96 };
97 extern FL_EXPORT HCURSOR fl_default_cursor;
98 extern FL_EXPORT UINT fl_wake_msg;
99 extern FL_EXPORT char fl_override_redirect; // hack into Fl_Window::make_xid()
100 extern FL_EXPORT int fl_background_pixel; // hack into Fl_Window::make_xid()
101 extern FL_EXPORT HPALETTE fl_palette; // non-zero only on 8-bit displays!
102 extern FL_EXPORT void fl_release_dc(HWND w, HDC dc);
103 extern FL_EXPORT void fl_save_dc( HWND w, HDC dc);
104
fl_xid(const Fl_Window * w)105 inline Window fl_xid(const Fl_Window* w) { Fl_X *temp = Fl_X::i(w); return temp ? temp->xid : 0; }
106
107 #else
108 FL_EXPORT Window fl_xid_(const Fl_Window* w);
109 #define fl_xid(w) fl_xid_(w)
110 #endif // FL_LIBRARY || FL_INTERNALS
111
112 FL_EXPORT Fl_Window* fl_find(Window xid);
113 void fl_clip_region(Fl_Region);
114
115 // most recent fl_color() or fl_rgbcolor() points at one of these:
116 extern FL_EXPORT struct Fl_XMap {
117 COLORREF rgb; // this should be the type the RGB() macro returns
118 HPEN pen; // pen, 0 if none created yet
119 int brush; // ref to solid brush, 0 if none created yet
120 } *fl_current_xmap;
fl_RGB()121 inline COLORREF fl_RGB() {return fl_current_xmap->rgb;}
fl_pen()122 inline HPEN fl_pen() {return fl_current_xmap->pen;}
123 FL_EXPORT HBRUSH fl_brush(); // allocates a brush if necessary
124 FL_EXPORT HBRUSH fl_brush_action(int); // now does the real work
125
126 extern FL_EXPORT HINSTANCE fl_display;
127 extern FL_EXPORT Window fl_window;
128 extern FL_EXPORT HDC fl_gc;
129 extern FL_EXPORT MSG fl_msg;
130 extern FL_EXPORT HDC fl_GetDC(Window);
131 extern FL_EXPORT HDC fl_makeDC(HBITMAP);
132
133 // off-screen pixmaps: create, destroy, draw into, copy to window
134 typedef HBITMAP Fl_Offscreen;
135 #define fl_create_offscreen(w, h) \
136 CreateCompatibleBitmap( (fl_gc ? fl_gc : fl_GetDC(0) ) , w, h)
137
138 # define fl_begin_offscreen(b) \
139 HDC _sgc=fl_gc; Window _sw=fl_window; \
140 Fl_Surface_Device *_ss = Fl_Surface_Device::surface(); Fl_Display_Device::display_device()->set_current(); \
141 fl_gc=fl_makeDC(b); int _savedc = SaveDC(fl_gc); fl_window=(HWND)b; fl_push_no_clip()
142
143 # define fl_end_offscreen() \
144 fl_pop_clip(); RestoreDC(fl_gc, _savedc); DeleteDC(fl_gc); _ss->set_current(); fl_window=_sw; fl_gc = _sgc
145
146
147 FL_EXPORT void fl_copy_offscreen(int x,int y,int w,int h,HBITMAP pixmap,int srcx,int srcy);
148 FL_EXPORT void fl_copy_offscreen_with_alpha(int x,int y,int w,int h,HBITMAP pixmap,int srcx,int srcy);
149 #define fl_delete_offscreen(bitmap) DeleteObject(bitmap)
150
151 // Bitmap masks
152 typedef HBITMAP Fl_Bitmask;
153
154 extern FL_EXPORT Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *data);
155 extern FL_EXPORT Fl_Bitmask fl_create_alphamask(int w, int h, int d, int ld, const uchar *data);
156 extern FL_EXPORT void fl_delete_bitmask(Fl_Bitmask bm);
157
158 // Dummy function to register a function for opening files via the window manager...
fl_open_callback(void (*)(const char *))159 inline void fl_open_callback(void (*)(const char *)) {}
160
161 extern FL_EXPORT int fl_parse_color(const char* p, uchar& r, uchar& g, uchar& b);
162 #endif // FL_DOXYGEN
163 //
164 // End of "$Id: win32.H 8726 2011-05-23 18:32:47Z AlbrechtS $".
165 //
166