| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: 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 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #include "wx/setup.h" |
| 21 | #include "wx/utils.h" |
| 22 | #include "wx/app.h" |
| 23 | #include "wx/apptrait.h" |
| 24 | #include "wx/msgdlg.h" |
| 25 | #include "wx/cursor.h" |
| 26 | #include "wx/window.h" // for wxTopLevelWindows |
| 27 | |
| 28 | #include <ctype.h> |
| 29 | #include <stdarg.h> |
| 30 | #include <dirent.h> |
| 31 | #include <string.h> |
| 32 | #include <sys/stat.h> |
| 33 | #include <sys/types.h> |
| 34 | #include <unistd.h> |
| 35 | #include <sys/wait.h> |
| 36 | #include <pwd.h> |
| 37 | #include <errno.h> |
| 38 | // #include <netdb.h> |
| 39 | #include <signal.h> |
| 40 | |
| 41 | #if (defined(__SUNCC__) || defined(__CLCC__)) |
| 42 | #include <sysent.h> |
| 43 | #endif |
| 44 | |
| 45 | #ifdef __VMS__ |
| 46 | #pragma message disable nosimpint |
| 47 | #endif |
| 48 | |
| 49 | #include "wx/unix/execute.h" |
| 50 | |
| 51 | #include "wx/x11/private.h" |
| 52 | |
| 53 | #include "X11/Xutil.h" |
| 54 | |
| 55 | #ifdef __VMS__ |
| 56 | #pragma message enable nosimpint |
| 57 | #endif |
| 58 | |
| 59 | // ---------------------------------------------------------------------------- |
| 60 | // async event processing |
| 61 | // ---------------------------------------------------------------------------- |
| 62 | |
| 63 | // Consume all events until no more left |
| 64 | void wxFlushEvents() |
| 65 | { |
| 66 | Display *display = (Display*) wxGetDisplay(); |
| 67 | |
| 68 | XSync (display, FALSE); |
| 69 | |
| 70 | // TODO for X11 |
| 71 | // ?? |
| 72 | } |
| 73 | |
| 74 | bool wxCheckForInterrupt(wxWindow *wnd) |
| 75 | { |
| 76 | wxASSERT_MSG(FALSE, wxT("wxCheckForInterrupt not yet implemented.")); |
| 77 | return FALSE; |
| 78 | } |
| 79 | |
| 80 | // ---------------------------------------------------------------------------- |
| 81 | // wxExecute stuff |
| 82 | // ---------------------------------------------------------------------------- |
| 83 | |
| 84 | int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) |
| 85 | { |
| 86 | // TODO |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | // ---------------------------------------------------------------------------- |
| 91 | // misc |
| 92 | // ---------------------------------------------------------------------------- |
| 93 | |
| 94 | // Emit a beeeeeep |
| 95 | #ifndef __EMX__ |
| 96 | // on OS/2, we use the wxBell from wxBase library (src/os2/utils.cpp) |
| 97 | void wxBell() |
| 98 | { |
| 99 | // Use current setting for the bell |
| 100 | XBell ((Display*) wxGetDisplay(), 0); |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo() |
| 105 | { |
| 106 | static wxToolkitInfo info; |
| 107 | info.shortName = _T("x11univ"); |
| 108 | info.name = _T("wxX11"); |
| 109 | info.versionMajor = 0; |
| 110 | info.versionMinor = 0; |
| 111 | info.os = wxX11; |
| 112 | return info; |
| 113 | } |
| 114 | |
| 115 | // ---------------------------------------------------------------------------- |
| 116 | // display info |
| 117 | // ---------------------------------------------------------------------------- |
| 118 | |
| 119 | void wxGetMousePosition( int* x, int* y ) |
| 120 | { |
| 121 | #if wxUSE_NANOX |
| 122 | // TODO |
| 123 | *x = 0; |
| 124 | *y = 0; |
| 125 | #else |
| 126 | XMotionEvent xev; |
| 127 | Window root, child; |
| 128 | XQueryPointer((Display*) wxGetDisplay(), |
| 129 | DefaultRootWindow((Display*) wxGetDisplay()), |
| 130 | &root, &child, |
| 131 | &(xev.x_root), &(xev.y_root), |
| 132 | &(xev.x), &(xev.y), |
| 133 | &(xev.state)); |
| 134 | *x = xev.x_root; |
| 135 | *y = xev.y_root; |
| 136 | #endif |
| 137 | }; |
| 138 | |
| 139 | // Return TRUE if we have a colour display |
| 140 | bool wxColourDisplay() |
| 141 | { |
| 142 | return wxDisplayDepth() > 1; |
| 143 | } |
| 144 | |
| 145 | // Returns depth of screen |
| 146 | int wxDisplayDepth() |
| 147 | { |
| 148 | Display *dpy = (Display*) wxGetDisplay(); |
| 149 | |
| 150 | return DefaultDepth (dpy, DefaultScreen (dpy)); |
| 151 | } |
| 152 | |
| 153 | // Get size of display |
| 154 | void wxDisplaySize(int *width, int *height) |
| 155 | { |
| 156 | Display *dpy = (Display*) wxGetDisplay(); |
| 157 | |
| 158 | if ( width ) |
| 159 | *width = DisplayWidth (dpy, DefaultScreen (dpy)); |
| 160 | if ( height ) |
| 161 | *height = DisplayHeight (dpy, DefaultScreen (dpy)); |
| 162 | } |
| 163 | |
| 164 | void wxDisplaySizeMM(int *width, int *height) |
| 165 | { |
| 166 | Display *dpy = (Display*) wxGetDisplay(); |
| 167 | |
| 168 | if ( width ) |
| 169 | *width = DisplayWidthMM(dpy, DefaultScreen (dpy)); |
| 170 | if ( height ) |
| 171 | *height = DisplayHeightMM(dpy, DefaultScreen (dpy)); |
| 172 | } |
| 173 | |
| 174 | void wxClientDisplayRect(int *x, int *y, int *width, int *height) |
| 175 | { |
| 176 | // This is supposed to return desktop dimensions minus any window |
| 177 | // manager panels, menus, taskbars, etc. If there is a way to do that |
| 178 | // for this platform please fix this function, otherwise it defaults |
| 179 | // to the entire desktop. |
| 180 | if (x) *x = 0; |
| 181 | if (y) *y = 0; |
| 182 | wxDisplaySize(width, height); |
| 183 | } |
| 184 | |
| 185 | |
| 186 | // Configurable display in wxX11 and wxMotif |
| 187 | static WXDisplay *gs_currentDisplay = NULL; |
| 188 | static wxString gs_displayName; |
| 189 | |
| 190 | WXDisplay *wxGetDisplay() |
| 191 | { |
| 192 | if (gs_currentDisplay) |
| 193 | return gs_currentDisplay; |
| 194 | return wxApp::GetDisplay(); |
| 195 | } |
| 196 | |
| 197 | bool wxSetDisplay(const wxString& display_name) |
| 198 | { |
| 199 | gs_displayName = display_name; |
| 200 | |
| 201 | if ( display_name.IsEmpty() ) |
| 202 | { |
| 203 | gs_currentDisplay = NULL; |
| 204 | |
| 205 | return TRUE; |
| 206 | } |
| 207 | else |
| 208 | { |
| 209 | Display* display = XOpenDisplay((char*) display_name.c_str()); |
| 210 | |
| 211 | if (display) |
| 212 | { |
| 213 | gs_currentDisplay = (WXDisplay*) display; |
| 214 | return TRUE; |
| 215 | } |
| 216 | else |
| 217 | return FALSE; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | wxString wxGetDisplayName() |
| 222 | { |
| 223 | return gs_displayName; |
| 224 | } |
| 225 | |
| 226 | wxWindow* wxFindWindowAtPoint(const wxPoint& pt) |
| 227 | { |
| 228 | return wxGenericFindWindowAtPoint(pt); |
| 229 | } |
| 230 | |
| 231 | // ---------------------------------------------------------------------------- |
| 232 | // Some colour manipulation routines |
| 233 | // ---------------------------------------------------------------------------- |
| 234 | |
| 235 | void wxHSVToXColor(wxHSV *hsv,XColor *rgb) |
| 236 | { |
| 237 | int h = hsv->h; |
| 238 | int s = hsv->s; |
| 239 | int v = hsv->v; |
| 240 | int r = 0, g = 0, b = 0; |
| 241 | int i, f; |
| 242 | int p, q, t; |
| 243 | s = (s * wxMAX_RGB) / wxMAX_SV; |
| 244 | v = (v * wxMAX_RGB) / wxMAX_SV; |
| 245 | if (h == 360) h = 0; |
| 246 | if (s == 0) { h = 0; r = g = b = v; } |
| 247 | i = h / 60; |
| 248 | f = h % 60; |
| 249 | p = v * (wxMAX_RGB - s) / wxMAX_RGB; |
| 250 | q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB; |
| 251 | t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB; |
| 252 | switch (i) |
| 253 | { |
| 254 | case 0: r = v, g = t, b = p; break; |
| 255 | case 1: r = q, g = v, b = p; break; |
| 256 | case 2: r = p, g = v, b = t; break; |
| 257 | case 3: r = p, g = q, b = v; break; |
| 258 | case 4: r = t, g = p, b = v; break; |
| 259 | case 5: r = v, g = p, b = q; break; |
| 260 | } |
| 261 | rgb->red = r << 8; |
| 262 | rgb->green = g << 8; |
| 263 | rgb->blue = b << 8; |
| 264 | } |
| 265 | |
| 266 | void wxXColorToHSV(wxHSV *hsv,XColor *rgb) |
| 267 | { |
| 268 | int r = rgb->red >> 8; |
| 269 | int g = rgb->green >> 8; |
| 270 | int b = rgb->blue >> 8; |
| 271 | int maxv = wxMax3(r, g, b); |
| 272 | int minv = wxMin3(r, g, b); |
| 273 | int h = 0, s, v; |
| 274 | v = maxv; |
| 275 | if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv; |
| 276 | else s = 0; |
| 277 | if (s == 0) h = 0; |
| 278 | else |
| 279 | { |
| 280 | int rc, gc, bc, hex = 0; |
| 281 | rc = (maxv - r) * wxMAX_RGB / (maxv - minv); |
| 282 | gc = (maxv - g) * wxMAX_RGB / (maxv - minv); |
| 283 | bc = (maxv - b) * wxMAX_RGB / (maxv - minv); |
| 284 | if (r == maxv) { h = bc - gc, hex = 0; } |
| 285 | else if (g == maxv) { h = rc - bc, hex = 2; } |
| 286 | else if (b == maxv) { h = gc - rc, hex = 4; } |
| 287 | h = hex * 60 + (h * 60 / wxMAX_RGB); |
| 288 | if (h < 0) h += 360; |
| 289 | } |
| 290 | hsv->h = h; |
| 291 | hsv->s = (s * wxMAX_SV) / wxMAX_RGB; |
| 292 | hsv->v = (v * wxMAX_SV) / wxMAX_RGB; |
| 293 | } |
| 294 | |
| 295 | void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc) |
| 296 | { |
| 297 | #if !wxUSE_NANOX |
| 298 | int llp; |
| 299 | |
| 300 | int screen = DefaultScreen(d); |
| 301 | int num_colors = DisplayCells(d,screen); |
| 302 | |
| 303 | XColor *color_defs = new XColor[num_colors]; |
| 304 | for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp; |
| 305 | XQueryColors(d,cmp,color_defs,num_colors); |
| 306 | |
| 307 | wxHSV hsv_defs, hsv; |
| 308 | wxXColorToHSV(&hsv,xc); |
| 309 | |
| 310 | int diff, min_diff = 0, pixel = 0; |
| 311 | |
| 312 | for(llp = 0;llp < num_colors;llp++) |
| 313 | { |
| 314 | wxXColorToHSV(&hsv_defs,&color_defs[llp]); |
| 315 | diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) + |
| 316 | wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) + |
| 317 | wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v)); |
| 318 | if (llp == 0) min_diff = diff; |
| 319 | if (min_diff > diff) { min_diff = diff; pixel = llp; } |
| 320 | if (min_diff == 0) break; |
| 321 | } |
| 322 | |
| 323 | xc -> red = color_defs[pixel].red; |
| 324 | xc -> green = color_defs[pixel].green; |
| 325 | xc -> blue = color_defs[pixel].blue; |
| 326 | xc -> flags = DoRed | DoGreen | DoBlue; |
| 327 | |
| 328 | /* FIXME, TODO |
| 329 | if (!XAllocColor(d,cmp,xc)) |
| 330 | cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n"; |
| 331 | */ |
| 332 | |
| 333 | delete[] color_defs; |
| 334 | #endif |
| 335 | } |
| 336 | |
| 337 | void wxAllocColor(Display *d,Colormap cmp,XColor *xc) |
| 338 | { |
| 339 | if (!XAllocColor(d,cmp,xc)) |
| 340 | { |
| 341 | // cout << "wxAllocColor : Warning : Can not allocate color, attempt find nearest !\n"; |
| 342 | wxAllocNearestColor(d,cmp,xc); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | #ifdef __WXDEBUG__ |
| 347 | wxString wxGetXEventName(XEvent& event) |
| 348 | { |
| 349 | #if wxUSE_NANOX |
| 350 | wxString str(wxT("(some event)")); |
| 351 | return str; |
| 352 | #else |
| 353 | int type = event.xany.type; |
| 354 | static char* event_name[] = { |
| 355 | "", "unknown(-)", // 0-1 |
| 356 | "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease", // 2-5 |
| 357 | "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", // 6-9 |
| 358 | "FocusOut", "KeymapNotify", "Expose", "GraphicsExpose", // 10-13 |
| 359 | "NoExpose", "VisibilityNotify", "CreateNotify", // 14-16 |
| 360 | "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",// 17-20 |
| 361 | "ReparentNotify", "ConfigureNotify", "ConfigureRequest", // 21-23 |
| 362 | "GravityNotify", "ResizeRequest", "CirculateNotify", // 24-26 |
| 363 | "CirculateRequest", "PropertyNotify", "SelectionClear", // 27-29 |
| 364 | "SelectionRequest", "SelectionNotify", "ColormapNotify", // 30-32 |
| 365 | "ClientMessage", "MappingNotify", // 33-34 |
| 366 | "unknown(+)"}; // 35 |
| 367 | type = wxMin(35, type); type = wxMax(1, type); |
| 368 | return wxString::FromAscii(event_name[type]); |
| 369 | #endif |
| 370 | } |
| 371 | #endif |
| 372 | |
| 373 | bool wxWindowIsVisible(Window win) |
| 374 | { |
| 375 | XWindowAttributes wa; |
| 376 | XGetWindowAttributes(wxGlobalDisplay(), win, &wa); |
| 377 | |
| 378 | return (wa.map_state == IsViewable); |
| 379 | } |