Added wxBufferedDC class.

[wxWidgets.git] / src / os2 / utils.cpp

diff --git a/src/os2/utils.cpp b/src/os2/utils.cpp
index a4531b6a12b420b56941ca814baac0782592fe8e..5ac046f10a676010e9ed48875589bfb90594b303 100644 (file)
--- a/src/os2/utils.cpp
+++ b/src/os2/utils.cpp
@@ -105,7 +105,7 @@ bool wxGetUserId(
 , int                               nType
 )
 {
-#ifndef __EMX__
+#if defined(__VISAGECPP__)
     long                            lrc;
     // UPM procs return 0 on success
     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
@@ -291,6 +291,8 @@ void wxFlushEvents()
 //  wxYield();
 }
 
+#if WXWIN_COMPATIBILITY_2_2
+
 // Output a debug mess., in a system dependent fashion.
 void wxDebugMsg(
   const wxChar*                     zFmt ...
@@ -343,6 +345,8 @@ void wxFatalError(
     DosExit(EXIT_PROCESS, ulRc);
 }
 
+#endif // WXWIN_COMPATIBILITY_2_2
+
 // Emit a beeeeeep
 void wxBell()
 {
@@ -750,6 +754,7 @@ void wxGetMousePosition(
 // Return TRUE if we have a colour display
 bool wxColourDisplay()
 {
+#if 0
     HPS                             hpsScreen;
     HDC                             hdcScreen;
     LONG                            lColors;
@@ -758,6 +763,11 @@ bool wxColourDisplay()
     hdcScreen = ::GpiQueryDevice(hpsScreen);
     ::DevQueryCaps(hdcScreen, CAPS_COLORS, 1L, &lColors);
     return(lColors > 1L);
+#else
+    // I don't see how the PM display could not be color. Besides, this
+    // was leaking DCs and PSs!!!  MN
+    return TRUE;
+#endif
 }
 
 // Returns depth of screen
@@ -767,15 +777,20 @@ int wxDisplayDepth()
     HDC                             hdcScreen;
     LONG                            lPlanes;
     LONG                            lBitsPerPixel;
-    LONG                            nDepth;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, 1L, &lPlanes);
-    ::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitsPerPixel);
-
-    nDepth = (int)(lPlanes * lBitsPerPixel);
-    DevCloseDC(hdcScreen);
+    static LONG                     nDepth = 0;
+
+    // The screen colordepth ain't gonna change. No reason to query
+    // it over and over!
+    if (!nDepth) {
+        hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
+        hdcScreen = ::GpiQueryDevice(hpsScreen);
+        ::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, 1L, &lPlanes);
+        ::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitsPerPixel);
+
+        nDepth = (int)(lPlanes * lBitsPerPixel);
+        ::DevCloseDC(hdcScreen);
+        ::WinReleasePS(hpsScreen);
+    }
     return (nDepth);
 }
 
@@ -787,14 +802,18 @@ void wxDisplaySize(
 {
     HPS                             hpsScreen;
     HDC                             hdcScreen;
-    LONG                            lWidth;
-    LONG                            lHeight;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_WIDTH, 1L, &lWidth);
-    ::DevQueryCaps(hdcScreen, CAPS_HEIGHT, 1L, &lHeight);
-    DevCloseDC(hdcScreen);
+    static LONG                     lWidth  = 0;
+    static LONG                     lHeight = 0;
+
+    // The screen size ain't gonna change either so just cache the values
+    if (!lWidth) {
+        hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
+        hdcScreen = ::GpiQueryDevice(hpsScreen);
+        ::DevQueryCaps(hdcScreen, CAPS_WIDTH, 1L, &lWidth);
+        ::DevQueryCaps(hdcScreen, CAPS_HEIGHT, 1L, &lHeight);
+        ::DevCloseDC(hdcScreen);
+        ::WinReleasePS(hpsScreen);
+    }
     *pWidth = (int)lWidth;
     *pHeight = (int)lHeight;
 }
@@ -822,6 +841,8 @@ void wxDisplaySizeMM(
                        ,1L
                        ,(PLONG)pHeight
                       );
+    ::DevCloseDC(hdcScreen);
+    ::WinReleasePS(hpsScreen);
 }
 
 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
@@ -1190,3 +1211,88 @@ void wxDrawBorder(
     }
 } // end of wxDrawBorder
 
+void wxOS2SetFont(
+  HWND                              hWnd
+, const wxFont&                     rFont
+)
+{
+    char                            zFont[128];
+    char                            zFacename[30];
+    char                            zWeight[30];
+    char                            zStyle[30];
+
+    if (hWnd == NULLHANDLE)
+        return;
+
+    //
+    // The fonts available for Presentation Params are just three
+    // outline fonts, the rest are available to the GPI, so we must
+    // map the families to one of these three
+    //
+    switch(rFont.GetFamily())
+    {
+        case wxSCRIPT:
+            strcpy(zFacename, "Script");
+            break;
+
+        case wxDECORATIVE:
+        case wxROMAN:
+            strcpy(zFacename,"Tms Rmn");
+            break;
+
+        case wxTELETYPE:
+            strcpy(zFacename, "Courier");
+            break;
+
+        case wxMODERN:
+            strcpy(zFacename, "System VIO");
+            break;
+
+        case wxSWISS:
+            strcpy(zFacename, "Helv");
+            break;
+
+        case wxDEFAULT:
+        default:
+            strcpy(zFacename, "System VIO");
+            break;
+    }
+
+    switch(rFont.GetWeight())
+    {
+        default:
+        case wxNORMAL:
+        case wxLIGHT:
+            zWeight[0] = '\0';
+            break;
+
+        case wxBOLD:
+        case wxFONTWEIGHT_MAX:
+            strcpy(zWeight, "Bold");
+            break;
+    }
+
+    switch(rFont.GetStyle())
+    {
+        case wxITALIC:
+        case wxSLANT:
+            strcpy(zStyle, "Italic");
+            break;
+
+        default:
+            zStyle[0] = '\0';
+            break;
+    }
+    sprintf(zFont, "%d.%s", rFont.GetPointSize(), zFacename);
+    if (zWeight[0] != '\0')
+    {
+        strcat(zFont, " ");
+        strcat(zFont, zWeight);
+    }
+    if (zStyle[0] != '\0')
+    {
+        strcat(zFont, " ");
+        strcat(zFont, zStyle);
+    }
+    ::WinSetPresParam(hWnd, PP_FONTNAMESIZE, strlen(zFont) + 1, (PVOID)zFont);
+} // end of wxOS2SetFont