src/gtk1/settings.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        settings.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:       wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "settings.h"
  13 #endif
  14
  15 #include "wx/settings.h"
  16 #include "wx/debug.h"
  17
  18 #include "wx/cmndata.h"
  19
  20 #include <gdk/gdk.h>
  21 #include <gdk/gdkprivate.h>
  22 #include <gtk/gtk.h>
  23
  24 extern GdkFont *GtkGetDefaultGuiFont();
  25
  26
  27 /*
  28 #define wxSYS_COLOUR_SCROLLBAR         0
  29 #define wxSYS_COLOUR_BACKGROUND        1
  30 #define wxSYS_COLOUR_ACTIVECAPTION     2
  31 #define wxSYS_COLOUR_INACTIVECAPTION   3
  32 #define wxSYS_COLOUR_MENU              4
  33 #define wxSYS_COLOUR_WINDOW            5
  34 #define wxSYS_COLOUR_WINDOWFRAME       6
  35 #define wxSYS_COLOUR_MENUTEXT          7
  36 #define wxSYS_COLOUR_WINDOWTEXT        8
  37 #define wxSYS_COLOUR_CAPTIONTEXT       9
  38 #define wxSYS_COLOUR_ACTIVEBORDER      10
  39 #define wxSYS_COLOUR_INACTIVEBORDER    11
  40 #define wxSYS_COLOUR_APPWORKSPACE      12
  41 #define wxSYS_COLOUR_HIGHLIGHT         13
  42 #define wxSYS_COLOUR_HIGHLIGHTTEXT     14
  43 #define wxSYS_COLOUR_BTNFACE           15
  44 #define wxSYS_COLOUR_BTNSHADOW         16
  45 #define wxSYS_COLOUR_GRAYTEXT          17
  46 #define wxSYS_COLOUR_BTNTEXT           18
  47 #define wxSYS_COLOUR_INACTIVECAPTIONTEXT 19
  48 #define wxSYS_COLOUR_BTNHIGHLIGHT      20
  49
  50 #define wxSYS_COLOUR_3DDKSHADOW        21
  51 #define wxSYS_COLOUR_3DLIGHT           22
  52 #define wxSYS_COLOUR_INFOTEXT          23
  53 #define wxSYS_COLOUR_INFOBK            24
  54
  55 #define wxSYS_COLOUR_DESKTOP           wxSYS_COLOUR_BACKGROUND
  56 #define wxSYS_COLOUR_3DFACE            wxSYS_COLOUR_BTNFACE
  57 #define wxSYS_COLOUR_3DSHADOW          wxSYS_COLOUR_BTNSHADOW
  58 #define wxSYS_COLOUR_3DHIGHLIGHT       wxSYS_COLOUR_BTNHIGHLIGHT
  59 #define wxSYS_COLOUR_3DHILIGHT         wxSYS_COLOUR_BTNHIGHLIGHT
  60 #define wxSYS_COLOUR_BTNHILIGHT        wxSYS_COLOUR_BTNHIGHLIGHT
  61 */
  62
  63 #define SHIFT (8*(sizeof(short int)-sizeof(char)))
  64
  65 //wxColour *g_systemWinColour          = (wxColour *) NULL;
  66 wxColour *g_systemBtnFaceColour       = (wxColour *) NULL;
  67 wxColour *g_systemBtnShadowColour     = (wxColour *) NULL;
  68 wxColour *g_systemBtnHighlightColour  = (wxColour *) NULL;
  69 wxColour *g_systemHighlightColour     = (wxColour *) NULL;
  70 wxColour *g_systemHighlightTextColour = (wxColour *) NULL;
  71 wxColour *g_systemListBoxColour       = (wxColour *) NULL;
  72 wxColour *g_systemBtnTextColour       = (wxColour *) NULL;
  73
  74 wxFont *g_systemFont = (wxFont *) NULL;
  75
  76 void wxSystemSettings::Done()
  77 {
  78 //    delete g_systemWinColour;
  79     delete g_systemBtnFaceColour;
  80     delete g_systemBtnShadowColour;
  81     delete g_systemBtnHighlightColour;
  82     delete g_systemHighlightColour;
  83     delete g_systemHighlightTextColour;
  84     delete g_systemListBoxColour;
  85     delete g_systemFont;
  86     delete g_systemBtnTextColour;
  87 }
  88
  89 // kind of widget to use in GetColourFromGTKWidget
  90 enum GtkWidgetType
  91 {
  92     GTK_BUTTON,
  93     GTK_LIST
  94 };
  95
  96 // wxSystemSettings::GetSystemColour() helper: get the colours from a GTK+
  97 // widget style, return true if we did get them, false to use defaults
  98 static bool GetColourFromGTKWidget(GtkWidgetType type, GtkStateType state,
  99                                    int& red, int& green, int& blue)
 100 {
 101     GtkWidget *widget = type == GTK_BUTTON ? gtk_button_new() : gtk_list_new();
 102     GtkStyle *def = gtk_rc_get_style( widget );
 103     if ( !def )
 104         def = gtk_widget_get_default_style();
 105
 106     bool ok;
 107     if ( def )
 108     {
 109         red = def->bg[state].red;
 110         green = def->bg[state].green;
 111         blue = def->bg[state].blue;
 112
 113         ok = TRUE;
 114     }
 115     else
 116     {
 117         ok = FALSE;
 118     }
 119
 120     gtk_widget_destroy( widget );
 121
 122     return ok;
 123 }
 124
 125 wxColour wxSystemSettings::GetSystemColour( int index )
 126 {
 127     switch (index)
 128     {
 129         case wxSYS_COLOUR_SCROLLBAR:
 130         case wxSYS_COLOUR_BACKGROUND:
 131         case wxSYS_COLOUR_ACTIVECAPTION:
 132         case wxSYS_COLOUR_INACTIVECAPTION:
 133         case wxSYS_COLOUR_MENU:
 134         case wxSYS_COLOUR_WINDOWFRAME:
 135         case wxSYS_COLOUR_ACTIVEBORDER:
 136         case wxSYS_COLOUR_INACTIVEBORDER:
 137         case wxSYS_COLOUR_BTNFACE:
 138         case wxSYS_COLOUR_3DLIGHT:
 139             if (!g_systemBtnFaceColour)
 140             {
 141                 int red, green, blue;
 142                 if ( !GetColourFromGTKWidget(GTK_BUTTON, GTK_STATE_NORMAL,
 143                                              red, green, blue) )
 144                 {
 145                     red =
 146                     green = 0;
 147                     blue = 0x9c40;
 148                 }
 149
 150                 g_systemBtnFaceColour = new wxColour( red   >> SHIFT,
 151                                                       green >> SHIFT,
 152                                                       blue  >> SHIFT );
 153             }
 154             return *g_systemBtnFaceColour;
 155
 156         case wxSYS_COLOUR_WINDOW:
 157             return *wxWHITE;
 158
 159         case wxSYS_COLOUR_3DDKSHADOW:
 160             return *wxBLACK;
 161
 162         case wxSYS_COLOUR_GRAYTEXT:
 163         case wxSYS_COLOUR_BTNSHADOW:
 164         //case wxSYS_COLOUR_3DSHADOW:
 165             if (!g_systemBtnShadowColour)
 166             {
 167                 wxColour faceColour(GetSystemColour(wxSYS_COLOUR_3DFACE));
 168                 g_systemBtnShadowColour =
 169                    new wxColour((unsigned char) (faceColour.Red() * 0.666),
 170                                 (unsigned char) (faceColour.Green() * 0.666),
 171                                 (unsigned char) (faceColour.Blue() * 0.666));
 172             }
 173
 174             return *g_systemBtnShadowColour;
 175
 176         case wxSYS_COLOUR_3DHIGHLIGHT:
 177         //case wxSYS_COLOUR_BTNHIGHLIGHT:
 178             return * wxWHITE;
 179 /* I think this should normally be white (JACS 8/2000)
 180
 181    Hmm, I'm quite sure it shouldn't ... (VZ 20.08.01)
 182             if (!g_systemBtnHighlightColour)
 183             {
 184                 g_systemBtnHighlightColour =
 185                     new wxColour( 0xea60 >> SHIFT,
 186                                   0xea60 >> SHIFT,
 187                                   0xea60 >> SHIFT );
 188             }
 189             return *g_systemBtnHighlightColour;
 190 */
 191
 192         case wxSYS_COLOUR_HIGHLIGHT:
 193             if (!g_systemHighlightColour)
 194             {
 195                 int red, green, blue;
 196                 if ( !GetColourFromGTKWidget(GTK_BUTTON, GTK_STATE_SELECTED,
 197                                              red, green, blue) )
 198                 {
 199                     red =
 200                     green = 0;
 201                     blue = 0x9c40;
 202                 }
 203
 204                 g_systemHighlightColour = new wxColour( red   >> SHIFT,
 205                                                         green >> SHIFT,
 206                                                         blue  >> SHIFT );
 207             }
 208             return *g_systemHighlightColour;
 209
 210         case wxSYS_COLOUR_LISTBOX:
 211             if (!g_systemListBoxColour)
 212             {
 213                 int red, green, blue;
 214                 if ( GetColourFromGTKWidget(GTK_LIST, GTK_STATE_NORMAL,
 215                                             red, green, blue) )
 216                 {
 217                     g_systemListBoxColour = new wxColour( red   >> SHIFT,
 218                                                           green >> SHIFT,
 219                                                           blue  >> SHIFT );
 220                 }
 221                 else
 222                 {
 223                     g_systemListBoxColour = new wxColour(*wxWHITE);
 224                 }
 225             }
 226             return *g_systemListBoxColour;
 227
 228         case wxSYS_COLOUR_MENUTEXT:
 229         case wxSYS_COLOUR_WINDOWTEXT:
 230         case wxSYS_COLOUR_CAPTIONTEXT:
 231         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
 232         case wxSYS_COLOUR_BTNTEXT:
 233         case wxSYS_COLOUR_INFOTEXT:
 234             if (!g_systemBtnTextColour)
 235             {
 236                 GtkWidget *widget = gtk_button_new();
 237                 GtkStyle *def = gtk_rc_get_style( widget );
 238                 if (!def)
 239                     def = gtk_widget_get_default_style();
 240                 if (def)
 241                 {
 242                     int red = def->fg[GTK_STATE_NORMAL].red;
 243                     int green = def->fg[GTK_STATE_NORMAL].green;
 244                     int blue = def->fg[GTK_STATE_NORMAL].blue;
 245                     g_systemBtnTextColour =
 246                         new wxColour( red    >> SHIFT,
 247                                 green  >> SHIFT,
 248                                 blue   >> SHIFT );
 249                 }
 250                 else
 251                 {
 252                     g_systemBtnTextColour =
 253                         new wxColour(0, 0, 0);
 254                 }
 255                 gtk_widget_destroy( widget );
 256             }
 257             return *g_systemBtnTextColour;
 258
 259         case wxSYS_COLOUR_HIGHLIGHTTEXT:
 260             if (!g_systemHighlightTextColour)
 261             {
 262                 wxColour hclr = GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
 263                 if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
 264                     g_systemHighlightTextColour = new wxColour(*wxBLACK);
 265                 else
 266                     g_systemHighlightTextColour = new wxColour(*wxWHITE);
 267             }
 268             return *g_systemHighlightTextColour;
 269
 270         case wxSYS_COLOUR_INFOBK:
 271         case wxSYS_COLOUR_APPWORKSPACE:
 272             return *wxWHITE;    // ?
 273   }
 274
 275   return *wxWHITE;
 276 }
 277
 278 wxFont wxSystemSettings::GetSystemFont( int index )
 279 {
 280     switch (index)
 281     {
 282         case wxSYS_OEM_FIXED_FONT:
 283         case wxSYS_ANSI_FIXED_FONT:
 284         case wxSYS_SYSTEM_FIXED_FONT:
 285         {
 286             return *wxNORMAL_FONT;
 287         }
 288         case wxSYS_ANSI_VAR_FONT:
 289         case wxSYS_SYSTEM_FONT:
 290         case wxSYS_DEVICE_DEFAULT_FONT:
 291         case wxSYS_DEFAULT_GUI_FONT:
 292         {
 293             if (!g_systemFont)
 294             {
 295 #if 0
 296                 GdkFont *gdk_font = GtkGetDefaultGuiFont();
 297                 if (gdk_font)
 298                 {
 299                     GSList *font_list = ((GdkFontPrivate*)gdk_font)->names;
 300                     char *name = (char*)font_list->data;
 301                     wxString font_string( name );
 302                     wxFontData font_data;
 303                     g_systemFont = new wxFont( font_string, font_data );
 304                 }
 305                 gtk_widget_destroy( widget );
 306 #endif
 307
 308                 g_systemFont = new wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
 309
 310             }
 311             return *g_systemFont;
 312         }
 313     }
 314
 315     return wxNullFont;
 316 }
 317
 318 int wxSystemSettings::GetSystemMetric( int index )
 319 {
 320     switch (index)
 321     {
 322         case wxSYS_SCREEN_X:   return gdk_screen_width();
 323         case wxSYS_SCREEN_Y:   return gdk_screen_height();
 324         case wxSYS_HSCROLL_Y:  return 15;
 325         case wxSYS_VSCROLL_X:  return 15;
 326     }
 327
 328     wxCHECK_MSG( index, 0, wxT("wxSystemSettings::GetSystemMetric not fully implemented") );
 329
 330     return 0;
 331 }