- KeySym keySym;
-
- switch (id) {
- case WXK_CANCEL: keySym = XK_Cancel; break;
- case WXK_BACK: keySym = XK_BackSpace; break;
- case WXK_TAB: keySym = XK_Tab; break;
- case WXK_CLEAR: keySym = XK_Clear; break;
- case WXK_RETURN: keySym = XK_Return; break;
- case WXK_SHIFT: keySym = XK_Shift_L; break;
- case WXK_CONTROL: keySym = XK_Control_L; break;
- case WXK_MENU : keySym = XK_Menu; break;
- case WXK_PAUSE: keySym = XK_Pause; break;
- case WXK_ESCAPE: keySym = XK_Escape; break;
- case WXK_SPACE: keySym = ' '; break;
- case WXK_PRIOR: keySym = XK_Prior; break;
- case WXK_NEXT : keySym = XK_Next; break;
- case WXK_END: keySym = XK_End; break;
- case WXK_HOME : keySym = XK_Home; break;
- case WXK_LEFT : keySym = XK_Left; break;
- case WXK_UP: keySym = XK_Up; break;
- case WXK_RIGHT: keySym = XK_Right; break;
- case WXK_DOWN : keySym = XK_Down; break;
- case WXK_SELECT: keySym = XK_Select; break;
- case WXK_PRINT: keySym = XK_Print; break;
- case WXK_EXECUTE: keySym = XK_Execute; break;
- case WXK_INSERT: keySym = XK_Insert; break;
- case WXK_DELETE: keySym = XK_Delete; break;
- case WXK_HELP : keySym = XK_Help; break;
- case WXK_NUMPAD0: keySym = XK_KP_0; break;
- case WXK_NUMPAD1: keySym = XK_KP_1; break;
- case WXK_NUMPAD2: keySym = XK_KP_2; break;
- case WXK_NUMPAD3: keySym = XK_KP_3; break;
- case WXK_NUMPAD4: keySym = XK_KP_4; break;
- case WXK_NUMPAD5: keySym = XK_KP_5; break;
- case WXK_NUMPAD6: keySym = XK_KP_6; break;
- case WXK_NUMPAD7: keySym = XK_KP_7; break;
- case WXK_NUMPAD8: keySym = XK_KP_8; break;
- case WXK_NUMPAD9: keySym = XK_KP_9; break;
- case WXK_MULTIPLY: keySym = XK_KP_Multiply; break;
- case WXK_ADD: keySym = XK_KP_Add; break;
- case WXK_SUBTRACT: keySym = XK_KP_Subtract; break;
- case WXK_DECIMAL: keySym = XK_KP_Decimal; break;
- case WXK_DIVIDE: keySym = XK_KP_Divide; break;
- case WXK_F1: keySym = XK_F1; break;
- case WXK_F2: keySym = XK_F2; break;
- case WXK_F3: keySym = XK_F3; break;
- case WXK_F4: keySym = XK_F4; break;
- case WXK_F5: keySym = XK_F5; break;
- case WXK_F6: keySym = XK_F6; break;
- case WXK_F7: keySym = XK_F7; break;
- case WXK_F8: keySym = XK_F8; break;
- case WXK_F9: keySym = XK_F9; break;
- case WXK_F10: keySym = XK_F10; break;
- case WXK_F11: keySym = XK_F11; break;
- case WXK_F12: keySym = XK_F12; break;
- case WXK_F13: keySym = XK_F13; break;
- case WXK_F14: keySym = XK_F14; break;
- case WXK_F15: keySym = XK_F15; break;
- case WXK_F16: keySym = XK_F16; break;
- case WXK_F17: keySym = XK_F17; break;
- case WXK_F18: keySym = XK_F18; break;
- case WXK_F19: keySym = XK_F19; break;
- case WXK_F20: keySym = XK_F20; break;
- case WXK_F21: keySym = XK_F21; break;
- case WXK_F22: keySym = XK_F22; break;
- case WXK_F23: keySym = XK_F23; break;
- case WXK_F24: keySym = XK_F24; break;
- case WXK_NUMLOCK: keySym = XK_Num_Lock; break;
- case WXK_SCROLL: keySym = XK_Scroll_Lock; break;
- default: keySym = id <= 255 ? (KeySym)id : 0;
- } // switch
- return keySym;
+ KeySym keySym;
+
+ switch (id)
+ {
+ case WXK_CANCEL: keySym = XK_Cancel; break;
+ case WXK_BACK: keySym = XK_BackSpace; break;
+ case WXK_TAB: keySym = XK_Tab; break;
+ case WXK_CLEAR: keySym = XK_Clear; break;
+ case WXK_RETURN: keySym = XK_Return; break;
+ case WXK_SHIFT: keySym = XK_Shift_L; break;
+ case WXK_CONTROL: keySym = XK_Control_L; break;
+ case WXK_MENU : keySym = XK_Menu; break;
+ case WXK_PAUSE: keySym = XK_Pause; break;
+ case WXK_ESCAPE: keySym = XK_Escape; break;
+ case WXK_SPACE: keySym = ' '; break;
+ case WXK_PRIOR: keySym = XK_Prior; break;
+ case WXK_NEXT : keySym = XK_Next; break;
+ case WXK_END: keySym = XK_End; break;
+ case WXK_HOME : keySym = XK_Home; break;
+ case WXK_LEFT : keySym = XK_Left; break;
+ case WXK_UP: keySym = XK_Up; break;
+ case WXK_RIGHT: keySym = XK_Right; break;
+ case WXK_DOWN : keySym = XK_Down; break;
+ case WXK_SELECT: keySym = XK_Select; break;
+ case WXK_PRINT: keySym = XK_Print; break;
+ case WXK_EXECUTE: keySym = XK_Execute; break;
+ case WXK_INSERT: keySym = XK_Insert; break;
+ case WXK_DELETE: keySym = XK_Delete; break;
+ case WXK_HELP : keySym = XK_Help; break;
+ case WXK_NUMPAD0: keySym = XK_KP_0; break;
+ case WXK_NUMPAD1: keySym = XK_KP_1; break;
+ case WXK_NUMPAD2: keySym = XK_KP_2; break;
+ case WXK_NUMPAD3: keySym = XK_KP_3; break;
+ case WXK_NUMPAD4: keySym = XK_KP_4; break;
+ case WXK_NUMPAD5: keySym = XK_KP_5; break;
+ case WXK_NUMPAD6: keySym = XK_KP_6; break;
+ case WXK_NUMPAD7: keySym = XK_KP_7; break;
+ case WXK_NUMPAD8: keySym = XK_KP_8; break;
+ case WXK_NUMPAD9: keySym = XK_KP_9; break;
+ case WXK_MULTIPLY: keySym = XK_KP_Multiply; break;
+ case WXK_ADD: keySym = XK_KP_Add; break;
+ case WXK_SUBTRACT: keySym = XK_KP_Subtract; break;
+ case WXK_DECIMAL: keySym = XK_KP_Decimal; break;
+ case WXK_DIVIDE: keySym = XK_KP_Divide; break;
+ case WXK_F1: keySym = XK_F1; break;
+ case WXK_F2: keySym = XK_F2; break;
+ case WXK_F3: keySym = XK_F3; break;
+ case WXK_F4: keySym = XK_F4; break;
+ case WXK_F5: keySym = XK_F5; break;
+ case WXK_F6: keySym = XK_F6; break;
+ case WXK_F7: keySym = XK_F7; break;
+ case WXK_F8: keySym = XK_F8; break;
+ case WXK_F9: keySym = XK_F9; break;
+ case WXK_F10: keySym = XK_F10; break;
+ case WXK_F11: keySym = XK_F11; break;
+ case WXK_F12: keySym = XK_F12; break;
+ case WXK_F13: keySym = XK_F13; break;
+ case WXK_F14: keySym = XK_F14; break;
+ case WXK_F15: keySym = XK_F15; break;
+ case WXK_F16: keySym = XK_F16; break;
+ case WXK_F17: keySym = XK_F17; break;
+ case WXK_F18: keySym = XK_F18; break;
+ case WXK_F19: keySym = XK_F19; break;
+ case WXK_F20: keySym = XK_F20; break;
+ case WXK_F21: keySym = XK_F21; break;
+ case WXK_F22: keySym = XK_F22; break;
+ case WXK_F23: keySym = XK_F23; break;
+ case WXK_F24: keySym = XK_F24; break;
+ case WXK_NUMLOCK: keySym = XK_Num_Lock; break;
+ case WXK_SCROLL: keySym = XK_Scroll_Lock; break;
+ default: keySym = id <= 255 ? (KeySym)id : 0;
+ }
+
+ return keySym;
+}
+
+// ----------------------------------------------------------------------------
+// Some colour manipulation routines
+// ----------------------------------------------------------------------------
+
+void wxHSVToXColor(wxHSV *hsv,XColor *rgb)
+{
+ int h = hsv->h;
+ int s = hsv->s;
+ int v = hsv->v;
+ int r = 0, g = 0, b = 0;
+ int i, f;
+ int p, q, t;
+ s = (s * wxMAX_RGB) / wxMAX_SV;
+ v = (v * wxMAX_RGB) / wxMAX_SV;
+ if (h == 360) h = 0;
+ if (s == 0) { h = 0; r = g = b = v; }
+ i = h / 60;
+ f = h % 60;
+ p = v * (wxMAX_RGB - s) / wxMAX_RGB;
+ q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB;
+ t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB;
+ switch (i)
+ {
+ case 0: r = v, g = t, b = p; break;
+ case 1: r = q, g = v, b = p; break;
+ case 2: r = p, g = v, b = t; break;
+ case 3: r = p, g = q, b = v; break;
+ case 4: r = t, g = p, b = v; break;
+ case 5: r = v, g = p, b = q; break;
+ }
+ rgb->red = r << 8;
+ rgb->green = g << 8;
+ rgb->blue = b << 8;
+}
+
+void wxXColorToHSV(wxHSV *hsv,XColor *rgb)
+{
+ int r = rgb->red >> 8;
+ int g = rgb->green >> 8;
+ int b = rgb->blue >> 8;
+ int maxv = wxMax3(r, g, b);
+ int minv = wxMin3(r, g, b);
+ int h = 0, s, v;
+ v = maxv;
+ if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv;
+ else s = 0;
+ if (s == 0) h = 0;
+ else
+ {
+ int rc, gc, bc, hex = 0;
+ rc = (maxv - r) * wxMAX_RGB / (maxv - minv);
+ gc = (maxv - g) * wxMAX_RGB / (maxv - minv);
+ bc = (maxv - b) * wxMAX_RGB / (maxv - minv);
+ if (r == maxv) { h = bc - gc, hex = 0; }
+ else if (g == maxv) { h = rc - bc, hex = 2; }
+ else if (b == maxv) { h = gc - rc, hex = 4; }
+ h = hex * 60 + (h * 60 / wxMAX_RGB);
+ if (h < 0) h += 360;
+ }
+ hsv->h = h;
+ hsv->s = (s * wxMAX_SV) / wxMAX_RGB;
+ hsv->v = (v * wxMAX_SV) / wxMAX_RGB;
+}
+
+void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc)
+{
+ int llp;
+
+ int screen = DefaultScreen(d);
+ int num_colors = DisplayCells(d,screen);
+
+ XColor *color_defs = new XColor[num_colors];
+ for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp;
+ XQueryColors(d,cmp,color_defs,num_colors);
+
+ wxHSV hsv_defs, hsv;
+ wxXColorToHSV(&hsv,xc);
+
+ int diff, min_diff = 0, pixel = 0;
+
+ for(llp = 0;llp < num_colors;llp++)
+ {
+ wxXColorToHSV(&hsv_defs,&color_defs[llp]);
+ diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) +
+ wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) +
+ wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v));
+ if (llp == 0) min_diff = diff;
+ if (min_diff > diff) { min_diff = diff; pixel = llp; }
+ if (min_diff == 0) break;
+ }
+
+ xc -> red = color_defs[pixel].red;
+ xc -> green = color_defs[pixel].green;
+ xc -> blue = color_defs[pixel].blue;
+ xc -> flags = DoRed | DoGreen | DoBlue;
+
+/* FIXME, TODO
+ if (!XAllocColor(d,cmp,xc))
+ cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n";
+*/
+
+ delete[] color_defs;