/////////////////////////////////////////////////////////////////////////////
-// Name: utils.cpp
+// Name: src/motif/utils.cpp
// Purpose: Various utilities
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
-// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __VMS
-#define XtDisplay XTDISPLAY
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/utils.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/dcmemory.h"
+ #include "wx/bitmap.h"
+#endif
+
+#include "wx/apptrait.h"
+#include "wx/evtloop.h"
+#include "wx/private/eventloopsourcesmanager.h"
+#include "wx/motif/private/timer.h"
+
+#include <string.h>
+
+#if (defined(__SUNCC__) || defined(__CLCC__))
+ #include <sysent.h>
+#endif
+
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+
+#include <Xm/Xm.h>
+#include <Xm/Frame.h>
+
+#include "wx/motif/private.h"
+
+#include "X11/Xutil.h"
+
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// async event processing
+// ----------------------------------------------------------------------------
+
+// Consume all events until no more left
+void wxFlushEvents(WXDisplay* wxdisplay)
+{
+ Display *display = (Display*)wxdisplay;
+ wxEventLoop evtLoop;
+
+ XSync (display, False);
+
+ while (evtLoop.Pending())
+ {
+ XFlush (display);
+ evtLoop.Dispatch();
+ }
+}
+
+#if wxUSE_EVENTLOOP_SOURCE
+
+extern "C"
+{
+
+static
+void
+wxMotifInputHandler(XtPointer data,
+ int* WXUNUSED(fd),
+ XtInputId* WXUNUSED(inputId))
+{
+ wxEventLoopSourceHandler * const
+ handler = static_cast<wxEventLoopSourceHandler *>(data);
+
+ handler->OnReadWaiting();
+}
+
+}
+
+// This class exists just to call XtRemoveInput() in its dtor, the real work of
+// dispatching events on the file descriptor to the handler is done by
+// wxMotifInputHandler callback above.
+class wxMotifEventLoopSource : public wxEventLoopSource
+{
+public:
+ wxMotifEventLoopSource(XtInputId inputId,
+ wxEventLoopSourceHandler *handler,
+ int flags)
+ : wxEventLoopSource(handler, flags),
+ m_inputId(inputId)
+ {
+ }
+
+ virtual ~wxMotifEventLoopSource()
+ {
+ XtRemoveInput(m_inputId);
+ }
+
+private:
+ const XtInputId m_inputId;
+
+ wxDECLARE_NO_COPY_CLASS(wxMotifEventLoopSource);
+};
+
+class wxMotifEventLoopSourcesManager : public wxEventLoopSourcesManagerBase
+{
+public:
+ wxEventLoopSource *
+ AddSourceForFD(int fd, wxEventLoopSourceHandler* handler, int flags)
+ {
+ wxCHECK_MSG( wxTheApp, NULL, "Must create wxTheApp first" );
+
+ // The XtInputXXXMask values cannot be combined (hence "Mask" is a
+ // complete misnomer), and supporting those would make the code more
+ // complicated and we don't need them for now.
+ wxCHECK_MSG( !(flags & (wxEVENT_SOURCE_OUTPUT |
+ wxEVENT_SOURCE_EXCEPTION)),
+ NULL,
+ "Monitoring FDs for output/errors not supported" );
+
+ wxCHECK_MSG( flags & wxEVENT_SOURCE_INPUT,
+ NULL,
+ "Should be monitoring for input" );
+
+ XtInputId inputId = XtAppAddInput
+ (
+ (XtAppContext) wxTheApp->GetAppContext(),
+ fd,
+ (XtPointer) XtInputReadMask,
+ wxMotifInputHandler,
+ handler
+ );
+ if ( inputId < 0 )
+ return 0;
+
+ return new wxMotifEventLoopSource(inputId, handler, flags);
+ }
+};
+
+wxEventLoopSourcesManagerBase* wxGUIAppTraits::GetEventLoopSourcesManager()
+{
+ static wxMotifEventLoopSourcesManager s_eventLoopSourcesManager;
+
+ return &s_eventLoopSourcesManager;
+}
+
+#endif // wxUSE_EVENTLOOP_SOURCE
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+// Emit a beeeeeep
+void wxBell()
+{
+ // Use current setting for the bell
+ XBell (wxGlobalDisplay(), 0);
+}
+
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+{
+ // XmVERSION and XmREVISION are defined in Xm/Xm.h
+ if ( verMaj )
+ *verMaj = XmVERSION;
+ if ( verMin )
+ *verMin = XmREVISION;
+
+ return wxPORT_MOTIF;
+}
+
+wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
+{
+ return new wxEventLoop;
+}
+
+wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer* timer)
+{
+ return new wxMotifTimerImpl(timer);
+}
+
+// ----------------------------------------------------------------------------
+// display info
+// ----------------------------------------------------------------------------
+
+void wxGetMousePosition( int* x, int* y )
+{
+#if wxUSE_NANOX
+ // TODO
+ *x = 0;
+ *y = 0;
+#else
+ XMotionEvent xev;
+ Window root, child;
+ XQueryPointer(wxGlobalDisplay(),
+ DefaultRootWindow(wxGlobalDisplay()),
+ &root, &child,
+ &(xev.x_root), &(xev.y_root),
+ &(xev.x), &(xev.y),
+ &(xev.state));
+ *x = xev.x_root;
+ *y = xev.y_root;
#endif
+}
+
+// Return true if we have a colour display
+bool wxColourDisplay()
+{
+ return wxDisplayDepth() > 1;
+}
+
+// Returns depth of screen
+int wxDisplayDepth()
+{
+ Display *dpy = wxGlobalDisplay();
+
+ return DefaultDepth (dpy, DefaultScreen (dpy));
+}
+
+// Get size of display
+void wxDisplaySize(int *width, int *height)
+{
+ Display *dpy = wxGlobalDisplay();
+
+ if ( width )
+ *width = DisplayWidth (dpy, DefaultScreen (dpy));
+ if ( height )
+ *height = DisplayHeight (dpy, DefaultScreen (dpy));
+}
+
+void wxDisplaySizeMM(int *width, int *height)
+{
+ Display *dpy = wxGlobalDisplay();
+
+ if ( width )
+ *width = DisplayWidthMM(dpy, DefaultScreen (dpy));
+ if ( height )
+ *height = DisplayHeightMM(dpy, DefaultScreen (dpy));
+}
+
+// Configurable display in wxX11 and wxMotif
+static WXDisplay *gs_currentDisplay = NULL;
+static wxString gs_displayName;
+
+WXDisplay *wxGetDisplay()
+{
+ if (gs_currentDisplay)
+ return gs_currentDisplay;
+ else if (wxTheApp)
+ return wxTheApp->GetInitialDisplay();
+ return NULL;
+}
+
+bool wxSetDisplay(const wxString& display_name)
+{
+ gs_displayName = display_name;
+
+ if ( display_name.empty() )
+ {
+ gs_currentDisplay = NULL;
+
+ return true;
+ }
+ else
+ {
+ Cardinal argc = 0;
+
+ Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(),
+ display_name.c_str(),
+ wxTheApp->GetAppName().c_str(),
+ wxTheApp->GetClassName().c_str(),
+ NULL,
+#if XtSpecificationRelease < 5
+ 0, &argc,
+#else
+ 0, (int *)&argc,
+#endif
+ NULL);
+
+ if (display)
+ {
+ gs_currentDisplay = (WXDisplay*) display;
+ return true;
+ }
+ else
+ return false;
+ }
+}
+
+wxString wxGetDisplayName()
+{
+ return gs_displayName;
+}
+
+wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
+{
+ return wxGenericFindWindowAtPoint(pt);
+}
+
+// ----------------------------------------------------------------------------
+// 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 = (unsigned short)(r << 8);
+ rgb->green = (unsigned short)(g << 8);
+ rgb->blue = (unsigned short)(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)
+{
+#if !wxUSE_NANOX
+ 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;
+#endif
+}
+
+void wxAllocColor(Display *d,Colormap cmp,XColor *xc)
+{
+ if (!XAllocColor(d,cmp,xc))
+ {
+ // cout << "wxAllocColor : Warning : cannot allocate color, attempt find nearest !\n";
+ wxAllocNearestColor(d,cmp,xc);
+ }
+}
+
+wxString wxGetXEventName(XEvent& event)
+{
+#if wxUSE_NANOX
+ wxString str(wxT("(some event)"));
+ return str;
+#else
+ int type = event.xany.type;
+ static char* event_name[] = {
+ wxMOTIF_STR(""), wxMOTIF_STR("unknown(-)"), // 0-1
+ wxMOTIF_STR("KeyPress"), wxMOTIF_STR("KeyRelease"), wxMOTIF_STR("ButtonPress"), wxMOTIF_STR("ButtonRelease"), // 2-5
+ wxMOTIF_STR("MotionNotify"), wxMOTIF_STR("EnterNotify"), wxMOTIF_STR("LeaveNotify"), wxMOTIF_STR("FocusIn"), // 6-9
+ wxMOTIF_STR("FocusOut"), wxMOTIF_STR("KeymapNotify"), wxMOTIF_STR("Expose"), wxMOTIF_STR("GraphicsExpose"), // 10-13
+ wxMOTIF_STR("NoExpose"), wxMOTIF_STR("VisibilityNotify"), wxMOTIF_STR("CreateNotify"), // 14-16
+ wxMOTIF_STR("DestroyNotify"), wxMOTIF_STR("UnmapNotify"), wxMOTIF_STR("MapNotify"), wxMOTIF_STR("MapRequest"),// 17-20
+ wxMOTIF_STR("ReparentNotify"), wxMOTIF_STR("ConfigureNotify"), wxMOTIF_STR("ConfigureRequest"), // 21-23
+ wxMOTIF_STR("GravityNotify"), wxMOTIF_STR("ResizeRequest"), wxMOTIF_STR("CirculateNotify"), // 24-26
+ wxMOTIF_STR("CirculateRequest"), wxMOTIF_STR("PropertyNotify"), wxMOTIF_STR("SelectionClear"), // 27-29
+ wxMOTIF_STR("SelectionRequest"), wxMOTIF_STR("SelectionNotify"), wxMOTIF_STR("ColormapNotify"), // 30-32
+ wxMOTIF_STR("ClientMessage"), wxMOTIF_STR("MappingNotify"), // 33-34
+ wxMOTIF_STR("unknown(+)")}; // 35
+ type = wxMin(35, type); type = wxMax(1, type);
+ wxString str(event_name[type]);
+ return str;
+#endif
+}
+
+// ----------------------------------------------------------------------------
+// accelerators
+// ----------------------------------------------------------------------------
+
+// Find the letter corresponding to the mnemonic, for Motif
+char wxFindMnemonic (const char *s)
+{
+ char mnem = 0;
+ int len = strlen (s);
+ int i;
+
+ for (i = 0; i < len; i++)
+ {
+ if (s[i] == '&')
+ {
+ // Carefully handle &&
+ if ((i + 1) <= len && s[i + 1] == '&')
+ i++;
+ else
+ {
+ mnem = s[i + 1];
+ break;
+ }
+ }
+ }
+ return mnem;
+}
+
+char* wxFindAccelerator( const char *s )
+{
+#if 1
+ wxUnusedVar(s);
+ // VZ: this function returns incorrect keysym which completely breaks kbd
+ // handling
+ return NULL;
+#else
+ // The accelerator text is after the \t char.
+ s = strchr( s, '\t' );
+
+ if( !s ) return NULL;
+
+ /*
+ Now we need to format it as X standard:
+
+ input output
+
+ F7 --> <Key>F7
+ Ctrl+N --> Ctrl<Key>N
+ Alt+k --> Meta<Key>k
+ Ctrl+Shift+A --> Ctrl Shift<Key>A
+
+ and handle Ctrl-N & similia
+ */
+
+ static char buf[256];
+
+ buf[0] = '\0';
+ wxString tmp = s + 1; // skip TAB
+ size_t index = 0;
+
+ while( index < tmp.length() )
+ {
+ size_t plus = tmp.find( '+', index );
+ size_t minus = tmp.find( '-', index );
+
+ // neither '+' nor '-', add <Key>
+ if( plus == wxString::npos && minus == wxString::npos )
+ {
+ strcat( buf, "<Key>" );
+ strcat( buf, tmp.c_str() + index );
+
+ return buf;
+ }
+
+ // OK: npos is big and positive
+ size_t sep = wxMin( plus, minus );
+ wxString mod = tmp.substr( index, sep - index );
+
+ // Ctrl -> Ctrl
+ // Shift -> Shift
+ // Alt -> Meta
+ if( mod == "Alt" )
+ mod = "Meta";
+
+ if( buf[0] )
+ strcat( buf, " " );
+
+ strcat( buf, mod.c_str() );
+
+ index = sep + 1;
+ }
+
+ return NULL;
+#endif
+}
+
+XmString wxFindAcceleratorText (const char *s)
+{
+#if 1
+ wxUnusedVar(s);
+ // VZ: this function returns incorrect keysym which completely breaks kbd
+ // handling
+ return NULL;
+#else
+ // The accelerator text is after the \t char.
+ s = strchr( s, '\t' );
+
+ if( !s ) return NULL;
+
+ return wxStringToXmString( s + 1 ); // skip TAB!
+#endif
+}
+
+// Change a widget's foreground and background colours.
+void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
+{
+ if (!foregroundColour.IsOk())
+ return;
+
+ // When should we specify the foreground, if it's calculated
+ // by wxComputeColours?
+ // Solution: say we start with the default (computed) foreground colour.
+ // If we call SetForegroundColour explicitly for a control or window,
+ // then the foreground is changed.
+ // Therefore SetBackgroundColour computes the foreground colour, and
+ // SetForegroundColour changes the foreground colour. The ordering is
+ // important.
+
+ XtVaSetValues ((Widget) widget,
+ XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
+ NULL);
+}
+
+void wxDoChangeBackgroundColour(WXWidget widget, const wxColour& backgroundColour, bool changeArmColour)
+{
+ if (!backgroundColour.IsOk())
+ return;
+
+ wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
+ NULL);
+
+ XtVaSetValues ((Widget) widget,
+ XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
+ XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
+ XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
+ XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
+ NULL);
+
+ if (changeArmColour)
+ XtVaSetValues ((Widget) widget,
+ XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
+ NULL);
+}
+
+extern void wxDoChangeFont(WXWidget widget, const wxFont& font)
+{
+ // Lesstif 0.87 hangs here, but 0.93 does not; MBN: sometimes it does
+#if !wxCHECK_LESSTIF() // || wxCHECK_LESSTIF_VERSION( 0, 93 )
+ Widget w = (Widget)widget;
+ XtVaSetValues( w,
+ wxFont::GetFontTag(), font.GetFontTypeC( XtDisplay(w) ),
+ NULL );
+#else
+ wxUnusedVar(widget);
+ wxUnusedVar(font);
+#endif
+
+}
+
+wxString wxXmStringToString( const XmString& xmString )
+{
+ char *txt;
+ if( XmStringGetLtoR( xmString, XmSTRING_DEFAULT_CHARSET, &txt ) )
+ {
+ wxString str(txt);
+ XtFree (txt);
+ return str;
+ }
+
+ return wxEmptyString;
+}
+
+XmString wxStringToXmString( const char* str )
+{
+ return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
+}
+
+// ----------------------------------------------------------------------------
+// wxBitmap utility functions
+// ----------------------------------------------------------------------------
+
+// Creates a bitmap with transparent areas drawn in
+// the given colour.
+wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour)
+{
+ wxBitmap newBitmap(bitmap.GetWidth(),
+ bitmap.GetHeight(),
+ bitmap.GetDepth());
+ wxMemoryDC destDC;
+ wxMemoryDC srcDC;
+
+ srcDC.SelectObjectAsSource(bitmap);
+ destDC.SelectObject(newBitmap);
+
+ wxBrush brush(colour, wxSOLID);
+ destDC.SetBackground(brush);
+ destDC.Clear();
+ destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
+ &srcDC, 0, 0, wxCOPY, true);
+
+ return newBitmap;
+}
+
+// ----------------------------------------------------------------------------
+// Miscellaneous functions
+// ----------------------------------------------------------------------------
+
+WXWidget wxCreateBorderWidget( WXWidget parent, long style )
+{
+ Widget borderWidget = (Widget)NULL, parentWidget = (Widget)parent;
-#error no longer needed - wxX11 utils.cpp used instead
+ if (style & wxSIMPLE_BORDER)
+ {
+ borderWidget = XtVaCreateManagedWidget
+ (
+ "simpleBorder",
+ xmFrameWidgetClass, parentWidget,
+ XmNshadowType, XmSHADOW_ETCHED_IN,
+ XmNshadowThickness, 1,
+ NULL
+ );
+ }
+ else if ((style & wxSUNKEN_BORDER) || (style & wxBORDER_THEME))
+ {
+ borderWidget = XtVaCreateManagedWidget
+ (
+ "sunkenBorder",
+ xmFrameWidgetClass, parentWidget,
+ XmNshadowType, XmSHADOW_IN,
+ NULL
+ );
+ }
+ else if (style & wxRAISED_BORDER)
+ {
+ borderWidget = XtVaCreateManagedWidget
+ (
+ "raisedBorder",
+ xmFrameWidgetClass, parentWidget,
+ XmNshadowType, XmSHADOW_OUT,
+ NULL
+ );
+ }
+ return borderWidget;
+}
projects / wxWidgets.git / blobdiff