FLTK 1.3.x

win32.H

00001 //
00002 // "$Id: win32.H 7903 2010-11-28 21:06:39Z matt $"
00003 //
00004 // WIN32 header file for the Fast Light Tool Kit (FLTK).
00005 //
00006 // Copyright 1998-2010 by Bill Spitzak and others.
00007 //
00008 // This library is free software; you can redistribute it and/or
00009 // modify it under the terms of the GNU Library General Public
00010 // License as published by the Free Software Foundation; either
00011 // version 2 of the License, or (at your option) any later version.
00012 //
00013 // This library is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016 // Library General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU Library General Public
00019 // License along with this library; if not, write to the Free Software
00020 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00021 // USA.
00022 //
00023 // Please report all bugs and problems on the following page:
00024 //
00025 //     http://www.fltk.org/str.php
00026 //
00027 
00028 // Do not directly include this file, instead use <FL/x.H>.  It will
00029 // include this file if WIN32 is defined.  This is to encourage
00030 // portability of even the system-specific code...
00031 
00032 #ifndef FL_DOXYGEN
00033 #ifndef Fl_X_H
00034 #  error "Never use <FL/win32.H> directly; include <FL/x.H> instead."
00035 #endif // !Fl_X_H
00036 
00037 #include <windows.h>
00038 // In some of the distributions, the gcc header files are missing some stuff:
00039 #ifndef LPMINMAXINFO
00040 #define LPMINMAXINFO MINMAXINFO*
00041 #endif
00042 #ifndef VK_LWIN
00043 #define VK_LWIN 0x5B
00044 #define VK_RWIN 0x5C
00045 #define VK_APPS 0x5D
00046 #endif
00047 
00048 #include <FL/Fl_Device.H>
00049 
00050 // some random X equivalents
00051 typedef HWND Window;
00052 typedef POINT XPoint;
00053 struct XRectangle {int x, y, width, height;};
00054 typedef HRGN Fl_Region;
00055 FL_EXPORT void fl_clip_region(Fl_Region);
00056 extern Fl_Region XRectangleRegion(int x, int y, int w, int h);
00057 inline void XDestroyRegion(Fl_Region r) {DeleteObject(r);}
00058 inline void XClipBox(Fl_Region r,XRectangle* rect) {
00059     RECT win_rect; GetRgnBox(r,&win_rect);
00060     rect->x=win_rect.left;
00061     rect->y=win_rect.top;
00062     rect->width=win_rect.right-win_rect.left;
00063     rect->height=win_rect.bottom-win_rect.top;
00064 }
00065 #define XDestroyWindow(a,b) DestroyWindow(b)
00066 #define XMapWindow(a,b) ShowWindow(b, SW_RESTORE)
00067 #define XUnmapWindow(a,b) ShowWindow(b, SW_HIDE)
00068 
00069 #include "Fl_Window.H"
00070 // this object contains all win32-specific stuff about a window:
00071 // Warning: this object is highly subject to change!
00072 class FL_EXPORT Fl_X {
00073 public:
00074   // member variables - add new variables only at the end of this block
00075   Window xid;
00076   HBITMAP other_xid; // for double-buffered windows
00077   Fl_Window* w;
00078   Fl_Region region;
00079   Fl_X *next;
00080   int wait_for_expose;
00081   HDC private_dc; // used for OpenGL
00082   HCURSOR cursor;
00083   HDC saved_hdc;  // saves the handle of the DC currently loaded
00084   // static variables, static functions and member functions
00085   static Fl_X* first;
00086   static Fl_X* i(const Fl_Window* w) {return w->i;}
00087   static int fake_X_wm(const Fl_Window* w,int &X, int &Y,
00088                                  int &bt,int &bx,int &by);
00089   void setwindow(Fl_Window* wi) {w=wi; wi->i=this;}
00090   void flush() {w->flush();}
00091   void set_minmax(LPMINMAXINFO minmax);
00092   void mapraise();
00093   static Fl_X* make(Fl_Window*);
00094 };
00095 extern FL_EXPORT HCURSOR fl_default_cursor;
00096 extern FL_EXPORT UINT fl_wake_msg;
00097 inline Window fl_xid(const Fl_Window*w) {Fl_X *temp = Fl_X::i(w); return temp ? temp->xid : 0;}
00098 FL_EXPORT Fl_Window* fl_find(Window xid);
00099 extern FL_EXPORT char fl_override_redirect; // hack into Fl_Window::make_xid()
00100 extern FL_EXPORT int fl_background_pixel;  // hack into Fl_Window::make_xid()
00101 
00102 // most recent fl_color() or fl_rgbcolor() points at one of these:
00103 extern FL_EXPORT struct Fl_XMap {
00104   COLORREF rgb; // this should be the type the RGB() macro returns
00105   HPEN pen;     // pen, 0 if none created yet
00106   int brush;    // ref to solid brush, 0 if none created yet
00107 } *fl_current_xmap;
00108 inline COLORREF fl_RGB() {return fl_current_xmap->rgb;}
00109 inline HPEN fl_pen() {return fl_current_xmap->pen;}
00110 FL_EXPORT HBRUSH fl_brush(); // allocates a brush if necessary
00111 FL_EXPORT HBRUSH fl_brush_action(int); // now does the real work
00112 
00113 extern FL_EXPORT HINSTANCE fl_display;
00114 extern FL_EXPORT Window fl_window;
00115 extern FL_EXPORT HDC fl_gc;
00116 extern FL_EXPORT HPALETTE fl_palette; // non-zero only on 8-bit displays!
00117 extern FL_EXPORT HDC fl_GetDC(Window);
00118 extern FL_EXPORT MSG fl_msg;
00119 extern FL_EXPORT void fl_release_dc(HWND w, HDC dc);
00120 extern FL_EXPORT void fl_save_dc( HWND w, HDC dc);
00121 
00122 // off-screen pixmaps: create, destroy, draw into, copy to window
00123 typedef HBITMAP Fl_Offscreen;
00124 #define fl_create_offscreen(w, h) \
00125   CreateCompatibleBitmap( (fl_gc ? fl_gc : fl_GetDC(0) ) , w, h)
00126 
00127 extern FL_EXPORT HDC fl_makeDC(HBITMAP);
00128 
00129 # define fl_begin_offscreen(b) \
00130    HDC _sgc=fl_gc; Window _sw=fl_window; \
00131    Fl_Surface_Device *_ss = fl_surface; fl_display_device->set_current(); \
00132    fl_gc=fl_makeDC(b); int _savedc = SaveDC(fl_gc); fl_window=(HWND)b; fl_push_no_clip()
00133 
00134 # define fl_end_offscreen() \
00135    fl_pop_clip(); RestoreDC(fl_gc, _savedc); DeleteDC(fl_gc); _ss->set_current(); fl_window=_sw; fl_gc = _sgc
00136    
00137 
00138 FL_EXPORT void fl_copy_offscreen(int x,int y,int w,int h,HBITMAP pixmap,int srcx,int srcy);
00139 FL_EXPORT void fl_copy_offscreen_with_alpha(int x,int y,int w,int h,HBITMAP pixmap,int srcx,int srcy);
00140 #define fl_delete_offscreen(bitmap) DeleteObject(bitmap);
00141 
00142 // Bitmap masks
00143 typedef HBITMAP Fl_Bitmask;
00144 
00145 extern FL_EXPORT Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *data);
00146 extern FL_EXPORT Fl_Bitmask fl_create_alphamask(int w, int h, int d, int ld, const uchar *data);
00147 extern FL_EXPORT void fl_delete_bitmask(Fl_Bitmask bm);
00148 
00149 // Dummy function to register a function for opening files via the window manager...
00150 inline void fl_open_callback(void (*)(const char *)) {}
00151 
00152 extern FL_EXPORT int fl_parse_color(const char* p, uchar& r, uchar& g, uchar& b);
00153 #endif // FL_DOXYGEN
00154 //
00155 // End of "$Id: win32.H 7903 2010-11-28 21:06:39Z matt $".
00156 //