FLTK 1.3.4
win32.H
1 //
2 // "$Id: win32.H 10312 2014-09-15 09:35:05Z ossman $"
3 //
4 // WIN32 header file for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2012 by Bill Spitzak and others.
7 //
8 // This library is free software. Distribution and use rights are outlined in
9 // the file "COPYING" which should have been included with this file. If this
10 // file is missing or damaged, see the license at:
11 //
12 // http://www.fltk.org/COPYING.php
13 //
14 // Please report all bugs and problems on the following page:
15 //
16 // http://www.fltk.org/str.php
17 //
18 
19 // Do not directly include this file, instead use <FL/x.H>. It will
20 // include this file if WIN32 is defined. This is to encourage
21 // portability of even the system-specific code...
22 
23 #ifndef FL_DOXYGEN
24 #ifndef Fl_X_H
25 # error "Never use <FL/win32.H> directly; include <FL/x.H> instead."
26 #endif // !Fl_X_H
27 
28 #include <windows.h>
29 typedef HRGN Fl_Region;
30 typedef HWND Window;
31 typedef POINT XPoint;
32 
33 #include <FL/Fl_Window.H>
34 
35 // this part is included only when compiling the FLTK library or if requested explicitly
36 #if defined(FL_LIBRARY) || defined(FL_INTERNALS)
37 
38 // In some of the distributions, the gcc header files are missing some stuff:
39 #ifndef LPMINMAXINFO
40 #define LPMINMAXINFO MINMAXINFO*
41 #endif
42 #ifndef VK_LWIN
43 #define VK_LWIN 0x5B
44 #define VK_RWIN 0x5C
45 #define VK_APPS 0x5D
46 #endif
47 
48 // some random X equivalents
49 struct XRectangle {int x, y, width, height;};
50 extern Fl_Region XRectangleRegion(int x, int y, int w, int h);
51 inline void XDestroyRegion(Fl_Region r) {DeleteObject(r);}
52 inline void XClipBox(Fl_Region r,XRectangle* rect) {
53  RECT win_rect; GetRgnBox(r,&win_rect);
54  rect->x=win_rect.left;
55  rect->y=win_rect.top;
56  rect->width=win_rect.right-win_rect.left;
57  rect->height=win_rect.bottom-win_rect.top;
58 }
59 #define XDestroyWindow(a,b) DestroyWindow(b)
60 #define XMapWindow(a,b) ShowWindow(b, SW_RESTORE)
61 #define XUnmapWindow(a,b) ShowWindow(b, SW_HIDE)
62 
63 // this object contains all win32-specific stuff about a window:
64 // Warning: this object is highly subject to change!
65 class FL_EXPORT Fl_X {
66 public:
67  // member variables - add new variables only at the end of this block
68  Window xid;
69  HBITMAP other_xid; // for double-buffered windows
70  Fl_Window* w;
71  Fl_Region region;
72  Fl_X *next;
73  int wait_for_expose;
74  HDC private_dc; // used for OpenGL
75  HCURSOR cursor;
76  int custom_cursor;
77  HDC saved_hdc; // saves the handle of the DC currently loaded
78  // static variables, static functions and member functions
79  static Fl_X* first;
80  static Fl_X* i(const Fl_Window* w) {return w->i;}
81  static int fake_X_wm(const Fl_Window* w,int &X, int &Y,
82  int &bt,int &bx,int &by);
83  void make_fullscreen(int X, int Y, int W, int H);
84  void setwindow(Fl_Window* wi) {w=wi; wi->i=this;}
85  void flush() {w->flush();}
86  void set_minmax(LPMINMAXINFO minmax);
87  void mapraise();
88  static void set_default_icons(const Fl_RGB_Image*[], int);
89  static void set_default_icons(HICON, HICON);
90  void set_icons();
91  int set_cursor(Fl_Cursor);
92  int set_cursor(const Fl_RGB_Image*, int, int);
93  static Fl_X* make(Fl_Window*);
94 };
95 extern FL_EXPORT UINT fl_wake_msg;
96 extern FL_EXPORT char fl_override_redirect; // hack into Fl_Window::make_xid()
97 extern FL_EXPORT int fl_background_pixel; // hack into Fl_Window::make_xid()
98 extern FL_EXPORT HPALETTE fl_palette; // non-zero only on 8-bit displays!
99 extern FL_EXPORT void fl_release_dc(HWND w, HDC dc);
100 extern FL_EXPORT void fl_save_dc( HWND w, HDC dc);
101 
102 inline Window fl_xid(const Fl_Window* w) { Fl_X *temp = Fl_X::i(w); return temp ? temp->xid : 0; }
103 
104 extern FL_EXPORT void fl_open_display();
105 
106 #else
107 FL_EXPORT Window fl_xid_(const Fl_Window* w);
108 #define fl_xid(w) fl_xid_(w)
109 #endif // FL_LIBRARY || FL_INTERNALS
110 
111 FL_EXPORT Fl_Window* fl_find(Window xid);
112 void fl_clip_region(Fl_Region);
113 
114 // most recent fl_color() or fl_rgbcolor() points at one of these:
115 extern FL_EXPORT struct Fl_XMap {
116  COLORREF rgb; // this should be the type the RGB() macro returns
117  HPEN pen; // pen, 0 if none created yet
118  int brush; // ref to solid brush, 0 if none created yet
119 } *fl_current_xmap;
120 inline COLORREF fl_RGB() {return fl_current_xmap->rgb;}
121 inline HPEN fl_pen() {return fl_current_xmap->pen;}
122 FL_EXPORT HBRUSH fl_brush(); // allocates a brush if necessary
123 FL_EXPORT HBRUSH fl_brush_action(int); // now does the real work
124 
125 extern FL_EXPORT HINSTANCE fl_display;
126 extern FL_EXPORT Window fl_window;
127 extern FL_EXPORT HDC fl_gc;
128 extern FL_EXPORT MSG fl_msg;
129 extern FL_EXPORT HDC fl_GetDC(Window);
130 extern FL_EXPORT HDC fl_makeDC(HBITMAP);
131 
132 // off-screen pixmaps: create, destroy, draw into, copy to window
133 typedef HBITMAP Fl_Offscreen;
134 #define fl_create_offscreen(w, h) \
135  CreateCompatibleBitmap( (fl_gc ? fl_gc : fl_GetDC(0) ) , w, h)
136 
137 # define fl_begin_offscreen(b) \
138  HDC _sgc=fl_gc; Window _sw=fl_window; \
139  Fl_Surface_Device *_ss = Fl_Surface_Device::surface(); Fl_Display_Device::display_device()->set_current(); \
140  fl_gc=fl_makeDC(b); int _savedc = SaveDC(fl_gc); fl_window=(HWND)b; fl_push_no_clip()
141 
142 # define fl_end_offscreen() \
143  fl_pop_clip(); RestoreDC(fl_gc, _savedc); DeleteDC(fl_gc); _ss->set_current(); fl_window=_sw; fl_gc = _sgc
144 
145 
146 FL_EXPORT void fl_copy_offscreen(int x,int y,int w,int h,HBITMAP pixmap,int srcx,int srcy);
147 #define fl_delete_offscreen(bitmap) DeleteObject(bitmap)
148 
149 // Bitmap masks
150 typedef HBITMAP Fl_Bitmask;
151 
152 extern FL_EXPORT Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *data);
153 extern FL_EXPORT Fl_Bitmask fl_create_alphamask(int w, int h, int d, int ld, const uchar *data);
154 extern FL_EXPORT void fl_delete_bitmask(Fl_Bitmask bm);
155 
156 // Dummy function to register a function for opening files via the window manager...
157 inline void fl_open_callback(void (*)(const char *)) {}
158 
159 extern FL_EXPORT int fl_parse_color(const char* p, uchar& r, uchar& g, uchar& b);
160 #endif // FL_DOXYGEN
161 //
162 // End of "$Id: win32.H 10312 2014-09-15 09:35:05Z ossman $".
163 //
This widget produces an actual window.
Definition: Fl_Window.H:57
Fl_Cursor
The following constants define the mouse cursors that are available in FLTK.
Definition: Enumerations.H:1048
void fl_clip_region(Fl_Region r)
Replaces the top of the clipping stack with a clipping region of any shape.
Definition: fl_draw.H:136
void fl_open_callback(void(*cb)(const char *))
Register a function called for each file dropped onto an application icon.
The Fl_RGB_Image class supports caching and drawing of full-color images with 1 to 4 channels of colo...
Definition: Fl_Image.H:202
Fl_Window widget .
void fl_copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy)
Copy a rectangular area of the given offscreen buffer into the current drawing destination.
Definition: Fl_Double_Window.cxx:94
unsigned char uchar
unsigned char
Definition: fl_types.h:30