| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/x11/utils.cpp |
| 3 | // Purpose: Various utilities |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // for compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if defined(__BORLANDC__) |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | // ============================================================================ |
| 20 | // declarations |
| 21 | // ============================================================================ |
| 22 | |
| 23 | // ---------------------------------------------------------------------------- |
| 24 | // headers |
| 25 | // ---------------------------------------------------------------------------- |
| 26 | |
| 27 | #include "wx/utils.h" |
| 28 | |
| 29 | #ifndef WX_PRECOMP |
| 30 | #include "wx/app.h" |
| 31 | #include "wx/window.h" // for wxTopLevelWindows |
| 32 | #include "wx/cursor.h" |
| 33 | #include "wx/msgdlg.h" |
| 34 | #endif |
| 35 | |
| 36 | #include "wx/apptrait.h" |
| 37 | #include "wx/generic/private/timer.h" |
| 38 | #include "wx/evtloop.h" |
| 39 | |
| 40 | #include <ctype.h> |
| 41 | #include <stdarg.h> |
| 42 | #include <dirent.h> |
| 43 | #include <string.h> |
| 44 | #include <sys/stat.h> |
| 45 | #include <sys/types.h> |
| 46 | #include <unistd.h> |
| 47 | #include <sys/wait.h> |
| 48 | #include <pwd.h> |
| 49 | #include <errno.h> |
| 50 | // #include <netdb.h> |
| 51 | #include <signal.h> |
| 52 | |
| 53 | #if (defined(__SUNCC__) || defined(__CLCC__)) |
| 54 | #include <sysent.h> |
| 55 | #endif |
| 56 | |
| 57 | #ifdef __VMS__ |
| 58 | #pragma message disable nosimpint |
| 59 | #endif |
| 60 | |
| 61 | #include "wx/unix/execute.h" |
| 62 | |
| 63 | #include "wx/x11/private.h" |
| 64 | |
| 65 | #include "X11/Xutil.h" |
| 66 | |
| 67 | #ifdef __VMS__ |
| 68 | #pragma message enable nosimpint |
| 69 | #endif |
| 70 | |
| 71 | // ---------------------------------------------------------------------------- |
| 72 | // async event processing |
| 73 | // ---------------------------------------------------------------------------- |
| 74 | |
| 75 | // Consume all events until no more left |
| 76 | void wxFlushEvents() |
| 77 | { |
| 78 | Display *display = (Display*) wxGetDisplay(); |
| 79 | |
| 80 | XSync (display, FALSE); |
| 81 | |
| 82 | // TODO for X11 |
| 83 | // ?? |
| 84 | } |
| 85 | |
| 86 | bool wxCheckForInterrupt(wxWindow *WXUNUSED(wnd)) |
| 87 | { |
| 88 | wxFAIL_MSG(wxT("wxCheckForInterrupt not yet implemented.")); |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | // ---------------------------------------------------------------------------- |
| 93 | // misc |
| 94 | // ---------------------------------------------------------------------------- |
| 95 | |
| 96 | // Emit a beeeeeep |
| 97 | #ifndef __EMX__ |
| 98 | // on OS/2, we use the wxBell from wxBase library (src/os2/utils.cpp) |
| 99 | void wxBell() |
| 100 | { |
| 101 | // Use current setting for the bell |
| 102 | XBell ((Display*) wxGetDisplay(), 0); |
| 103 | } |
| 104 | #endif |
| 105 | |
| 106 | wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const |
| 107 | { |
| 108 | // get X protocol version |
| 109 | Display *display = wxGlobalDisplay(); |
| 110 | if (display) |
| 111 | { |
| 112 | if ( verMaj ) |
| 113 | *verMaj = ProtocolVersion (display); |
| 114 | if ( verMin ) |
| 115 | *verMin = ProtocolRevision (display); |
| 116 | } |
| 117 | |
| 118 | return wxPORT_X11; |
| 119 | } |
| 120 | |
| 121 | wxEventLoopBase* wxGUIAppTraits::CreateEventLoop() |
| 122 | { |
| 123 | return new wxEventLoop; |
| 124 | } |
| 125 | |
| 126 | // ---------------------------------------------------------------------------- |
| 127 | // display info |
| 128 | // ---------------------------------------------------------------------------- |
| 129 | |
| 130 | void wxGetMousePosition( int* x, int* y ) |
| 131 | { |
| 132 | #if wxUSE_NANOX |
| 133 | // TODO |
| 134 | *x = 0; |
| 135 | *y = 0; |
| 136 | #else |
| 137 | XMotionEvent xev; |
| 138 | Window root, child; |
| 139 | XQueryPointer((Display*) wxGetDisplay(), |
| 140 | DefaultRootWindow((Display*) wxGetDisplay()), |
| 141 | &root, &child, |
| 142 | &(xev.x_root), &(xev.y_root), |
| 143 | &(xev.x), &(xev.y), |
| 144 | &(xev.state)); |
| 145 | *x = xev.x_root; |
| 146 | *y = xev.y_root; |
| 147 | #endif |
| 148 | }; |
| 149 | |
| 150 | // Return true if we have a colour display |
| 151 | bool wxColourDisplay() |
| 152 | { |
| 153 | return wxDisplayDepth() > 1; |
| 154 | } |
| 155 | |
| 156 | // Returns depth of screen |
| 157 | int wxDisplayDepth() |
| 158 | { |
| 159 | Display *dpy = (Display*) wxGetDisplay(); |
| 160 | |
| 161 | return DefaultDepth (dpy, DefaultScreen (dpy)); |
| 162 | } |
| 163 | |
| 164 | // Get size of display |
| 165 | void wxDisplaySize(int *width, int *height) |
| 166 | { |
| 167 | Display *dpy = (Display*) wxGetDisplay(); |
| 168 | |
| 169 | if ( width ) |
| 170 | *width = DisplayWidth (dpy, DefaultScreen (dpy)); |
| 171 | if ( height ) |
| 172 | *height = DisplayHeight (dpy, DefaultScreen (dpy)); |
| 173 | } |
| 174 | |
| 175 | void wxDisplaySizeMM(int *width, int *height) |
| 176 | { |
| 177 | Display *dpy = (Display*) wxGetDisplay(); |
| 178 | |
| 179 | if ( width ) |
| 180 | *width = DisplayWidthMM(dpy, DefaultScreen (dpy)); |
| 181 | if ( height ) |
| 182 | *height = DisplayHeightMM(dpy, DefaultScreen (dpy)); |
| 183 | } |
| 184 | |
| 185 | wxWindow* wxFindWindowAtPoint(const wxPoint& pt) |
| 186 | { |
| 187 | return wxGenericFindWindowAtPoint(pt); |
| 188 | } |
| 189 | |
| 190 | |
| 191 | // Configurable display in wxX11 and wxMotif |
| 192 | static Display *gs_currentDisplay = NULL; |
| 193 | static wxString gs_displayName; |
| 194 | |
| 195 | WXDisplay *wxGetDisplay() |
| 196 | { |
| 197 | return (WXDisplay *)gs_currentDisplay; |
| 198 | } |
| 199 | |
| 200 | // close the current display |
| 201 | void wxCloseDisplay() |
| 202 | { |
| 203 | if ( gs_currentDisplay ) |
| 204 | { |
| 205 | if ( XCloseDisplay(gs_currentDisplay) != 0 ) |
| 206 | { |
| 207 | wxLogWarning(_("Failed to close the display \"%s\""), |
| 208 | gs_displayName.c_str()); |
| 209 | } |
| 210 | |
| 211 | gs_currentDisplay = NULL; |
| 212 | gs_displayName.clear(); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | bool wxSetDisplay(const wxString& displayName) |
| 217 | { |
| 218 | Display *dpy = XOpenDisplay |
| 219 | ( |
| 220 | displayName.empty() ? NULL |
| 221 | : (const char *)displayName.mb_str() |
| 222 | ); |
| 223 | |
| 224 | if ( !dpy ) |
| 225 | { |
| 226 | wxLogError(_("Failed to open display \"%s\"."), displayName.c_str()); |
| 227 | return false; |
| 228 | } |
| 229 | |
| 230 | wxCloseDisplay(); |
| 231 | |
| 232 | gs_currentDisplay = dpy; |
| 233 | gs_displayName = displayName; |
| 234 | |
| 235 | return true; |
| 236 | } |
| 237 | |
| 238 | wxString wxGetDisplayName() |
| 239 | { |
| 240 | return gs_displayName; |
| 241 | } |
| 242 | |
| 243 | #include "wx/module.h" |
| 244 | |
| 245 | // the module responsible for closing the X11 display at the program end |
| 246 | class wxX11DisplayModule : public wxModule |
| 247 | { |
| 248 | public: |
| 249 | virtual bool OnInit() { return true; } |
| 250 | virtual void OnExit() { wxCloseDisplay(); } |
| 251 | |
| 252 | private: |
| 253 | DECLARE_DYNAMIC_CLASS(wxX11DisplayModule) |
| 254 | }; |
| 255 | |
| 256 | IMPLEMENT_DYNAMIC_CLASS(wxX11DisplayModule, wxModule) |
| 257 | |
| 258 | // ---------------------------------------------------------------------------- |
| 259 | // Some colour manipulation routines |
| 260 | // ---------------------------------------------------------------------------- |
| 261 | |
| 262 | void wxHSVToXColor(wxHSV *hsv,XColor *rgb) |
| 263 | { |
| 264 | int h = hsv->h; |
| 265 | int s = hsv->s; |
| 266 | int v = hsv->v; |
| 267 | int r = 0, g = 0, b = 0; |
| 268 | int i, f; |
| 269 | int p, q, t; |
| 270 | s = (s * wxMAX_RGB) / wxMAX_SV; |
| 271 | v = (v * wxMAX_RGB) / wxMAX_SV; |
| 272 | if (h == 360) h = 0; |
| 273 | if (s == 0) { h = 0; r = g = b = v; } |
| 274 | i = h / 60; |
| 275 | f = h % 60; |
| 276 | p = v * (wxMAX_RGB - s) / wxMAX_RGB; |
| 277 | q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB; |
| 278 | t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB; |
| 279 | switch (i) |
| 280 | { |
| 281 | case 0: r = v, g = t, b = p; break; |
| 282 | case 1: r = q, g = v, b = p; break; |
| 283 | case 2: r = p, g = v, b = t; break; |
| 284 | case 3: r = p, g = q, b = v; break; |
| 285 | case 4: r = t, g = p, b = v; break; |
| 286 | case 5: r = v, g = p, b = q; break; |
| 287 | } |
| 288 | rgb->red = r << 8; |
| 289 | rgb->green = g << 8; |
| 290 | rgb->blue = b << 8; |
| 291 | } |
| 292 | |
| 293 | void wxXColorToHSV(wxHSV *hsv,XColor *rgb) |
| 294 | { |
| 295 | int r = rgb->red >> 8; |
| 296 | int g = rgb->green >> 8; |
| 297 | int b = rgb->blue >> 8; |
| 298 | int maxv = wxMax3(r, g, b); |
| 299 | int minv = wxMin3(r, g, b); |
| 300 | int h = 0, s, v; |
| 301 | v = maxv; |
| 302 | if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv; |
| 303 | else s = 0; |
| 304 | if (s == 0) h = 0; |
| 305 | else |
| 306 | { |
| 307 | int rc, gc, bc, hex = 0; |
| 308 | rc = (maxv - r) * wxMAX_RGB / (maxv - minv); |
| 309 | gc = (maxv - g) * wxMAX_RGB / (maxv - minv); |
| 310 | bc = (maxv - b) * wxMAX_RGB / (maxv - minv); |
| 311 | if (r == maxv) { h = bc - gc, hex = 0; } |
| 312 | else if (g == maxv) { h = rc - bc, hex = 2; } |
| 313 | else if (b == maxv) { h = gc - rc, hex = 4; } |
| 314 | h = hex * 60 + (h * 60 / wxMAX_RGB); |
| 315 | if (h < 0) h += 360; |
| 316 | } |
| 317 | hsv->h = h; |
| 318 | hsv->s = (s * wxMAX_SV) / wxMAX_RGB; |
| 319 | hsv->v = (v * wxMAX_SV) / wxMAX_RGB; |
| 320 | } |
| 321 | |
| 322 | void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc) |
| 323 | { |
| 324 | #if !wxUSE_NANOX |
| 325 | int llp; |
| 326 | |
| 327 | int screen = DefaultScreen(d); |
| 328 | int num_colors = DisplayCells(d,screen); |
| 329 | |
| 330 | XColor *color_defs = new XColor[num_colors]; |
| 331 | for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp; |
| 332 | XQueryColors(d,cmp,color_defs,num_colors); |
| 333 | |
| 334 | wxHSV hsv_defs, hsv; |
| 335 | wxXColorToHSV(&hsv,xc); |
| 336 | |
| 337 | int diff, min_diff = 0, pixel = 0; |
| 338 | |
| 339 | for(llp = 0;llp < num_colors;llp++) |
| 340 | { |
| 341 | wxXColorToHSV(&hsv_defs,&color_defs[llp]); |
| 342 | diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) + |
| 343 | wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) + |
| 344 | wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v)); |
| 345 | if (llp == 0) min_diff = diff; |
| 346 | if (min_diff > diff) { min_diff = diff; pixel = llp; } |
| 347 | if (min_diff == 0) break; |
| 348 | } |
| 349 | |
| 350 | xc -> red = color_defs[pixel].red; |
| 351 | xc -> green = color_defs[pixel].green; |
| 352 | xc -> blue = color_defs[pixel].blue; |
| 353 | xc -> flags = DoRed | DoGreen | DoBlue; |
| 354 | |
| 355 | /* FIXME, TODO |
| 356 | if (!XAllocColor(d,cmp,xc)) |
| 357 | cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n"; |
| 358 | */ |
| 359 | |
| 360 | delete[] color_defs; |
| 361 | #endif |
| 362 | } |
| 363 | |
| 364 | void wxAllocColor(Display *d,Colormap cmp,XColor *xc) |
| 365 | { |
| 366 | if (!XAllocColor(d,cmp,xc)) |
| 367 | { |
| 368 | // cout << "wxAllocColor : Warning : Cannot allocate color, attempt find nearest !\n"; |
| 369 | wxAllocNearestColor(d,cmp,xc); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | wxString wxGetXEventName(XEvent& event) |
| 374 | { |
| 375 | #if wxUSE_NANOX |
| 376 | wxString str(wxT("(some event)")); |
| 377 | return str; |
| 378 | #else |
| 379 | int type = event.xany.type; |
| 380 | static const char* event_name[] = { |
| 381 | "", "unknown(-)", // 0-1 |
| 382 | "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease", // 2-5 |
| 383 | "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", // 6-9 |
| 384 | "FocusOut", "KeymapNotify", "Expose", "GraphicsExpose", // 10-13 |
| 385 | "NoExpose", "VisibilityNotify", "CreateNotify", // 14-16 |
| 386 | "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",// 17-20 |
| 387 | "ReparentNotify", "ConfigureNotify", "ConfigureRequest", // 21-23 |
| 388 | "GravityNotify", "ResizeRequest", "CirculateNotify", // 24-26 |
| 389 | "CirculateRequest", "PropertyNotify", "SelectionClear", // 27-29 |
| 390 | "SelectionRequest", "SelectionNotify", "ColormapNotify", // 30-32 |
| 391 | "ClientMessage", "MappingNotify", // 33-34 |
| 392 | "unknown(+)"}; // 35 |
| 393 | type = wxMin(35, type); type = wxMax(1, type); |
| 394 | return wxString::FromAscii(event_name[type]); |
| 395 | #endif |
| 396 | } |
| 397 | |