New utility functions to create MWContext and obtain frame handle from

MWContext git-svn-id: svn://10.0.0.236/trunk@10711 18797224-902f-48f8-a5cc-f745e15eee43
1998-09-22 22:23:49 +00:00 · 1998-09-22 22:23:49 +00:00 · 8526f999cd
commit 8526f999cd
parent 38c5cbb164
1 changed files with 165 additions and 0 deletions
--- a/mozilla/cmd/xfe/src/context_funcs.cpp
+++ b/mozilla/cmd/xfe/src/context_funcs.cpp
@ -2849,3 +2849,168 @@ fe_showRDFTreeView (MWContext *context, LO_BuiltinStruct *builtin_struct)
  return (builtin->getBaseWidget());
 }

+extern "C" MWContext *
+fe_CreateNewContext(MWContextType type, Widget w, fe_colormap *cmap,
+					XP_Bool displays_html)
+{
+	fe_ContextData *fec;
+	struct fe_MWContext_cons *cons;
+	MWContext *context;
+
+	context = XP_NewContext();
+
+	if (context == NULL)
+		return 0;
+
+	cons = XP_NEW_ZAP(struct fe_MWContext_cons);
+	if (cons == NULL)
+	{
+		XP_FREE(context);
+		return 0;
+	}
+
+	fec = XP_NEW_ZAP (fe_ContextData);
+
+	if (fec == NULL)
+	{
+		XP_FREE(cons);
+		XP_FREE(context);
+		return 0;
+	}
+
+	context->type = type;
+	switch (type)
+	{
+		case MWContextEditor:
+		case MWContextMessageComposition:
+			context->is_editor = True;
+			break;
+		default:
+			context->is_editor = False;
+			break;
+	}
+
+	CONTEXT_DATA (context)           = fec;
+	CONTEXT_DATA (context)->colormap = cmap;
+
+    // set image library Callback functions 
+    CONTEXT_DATA (context)->DisplayPixmap = (DisplayPixmapPtr)fe_DisplayPixmap;
+    CONTEXT_DATA (context)->NewPixmap     = (NewPixmapPtr)NULL;
+    CONTEXT_DATA (context)->ImageComplete = (ImageCompletePtr)NULL;
+
+	CONTEXT_WIDGET (context) = w;
+
+	fe_InitRemoteServer (XtDisplay (w));
+
+	/* add the layout function pointers */
+	context->funcs = fe_BuildDisplayFunctionTable();
+	context->convertPixX = context->convertPixY = 1;
+	context->is_grid_cell = FALSE;
+	context->grid_parent = NULL;
+
+	/* set the XFE default Document Character set */
+	CONTEXT_DATA(context)->xfe_doc_csid = fe_globalPrefs.doc_csid;
+
+	cons->context = context;
+	cons->next = fe_all_MWContexts;
+	fe_all_MWContexts = cons;
+	XP_AddContextToList (context);
+
+	fe_InitIconColors(context);
+
+	XtGetApplicationResources (w,
+							   (XtPointer) CONTEXT_DATA (context),
+							   fe_Resources, fe_ResourcesSize,
+							   0, 0);
+
+	// Use colors from prefs
+
+	LO_Color *color;
+
+	color = &fe_globalPrefs.links_color;
+	CONTEXT_DATA(context)->link_pixel = 
+		fe_GetPixel(context, color->red, color->green, color->blue);
+
+	color = &fe_globalPrefs.vlinks_color;
+	CONTEXT_DATA(context)->vlink_pixel = 
+		fe_GetPixel(context, color->red, color->green, color->blue);
+
+	color = &fe_globalPrefs.text_color;
+	CONTEXT_DATA(context)->default_fg_pixel = 
+		fe_GetPixel(context, color->red, color->green, color->blue);
+
+	color = &fe_globalPrefs.background_color;
+	CONTEXT_DATA(context)->default_bg_pixel = 
+		fe_GetPixel(context, color->red, color->green, color->blue);
+
+	if (displays_html) {
+        Display * dpy;
+        int screen;
+        double pixels;
+        double millimeters;
+
+        /* Determine pixels per point for back end font size calculations. */
+
+        dpy = XtDisplay(w);
+        screen = XScreenNumberOfScreen(XtScreen(w));
+
+#define MM_PER_INCH      (25.4)
+#define POINTS_PER_INCH  (72.0)
+
+        /* N pixels    25.4 mm    1 inch
+         * -------- *  ------- *  ------
+         *   M mm       1 inch    72 pts
+         */
+
+        pixels      = DisplayWidth(dpy, screen);
+        millimeters = DisplayWidthMM(dpy, screen);
+        context->XpixelsPerPoint =
+            ((pixels * MM_PER_INCH) / millimeters) / POINTS_PER_INCH;
+
+        pixels      = DisplayHeight(dpy,screen);
+        millimeters = DisplayHeightMM(dpy, screen);
+        context->YpixelsPerPoint =
+            ((pixels * MM_PER_INCH) / millimeters) / POINTS_PER_INCH;
+
+
+        SHIST_InitSession (context);
+	
+        fe_load_default_font(context);
+	}
+
+	/*
+	 * set the default coloring correctly into the new context.
+	 */
+	{
+		Pixel unused_select_pixel;
+		XmGetColors (XtScreen (w),
+					 fe_cmap(context),
+					 CONTEXT_DATA (context)->default_bg_pixel,
+					 &(CONTEXT_DATA (context)->fg_pixel),
+					 &(CONTEXT_DATA (context)->top_shadow_pixel),
+					 &(CONTEXT_DATA (context)->bottom_shadow_pixel),
+					 &unused_select_pixel);
+	}
+
+    // New field added by putterman for increase/decrease font
+    context->fontScalingPercentage = 1.0;
+
+    return context;
+}
+
+extern "C" XFE_Frame*
+fe_getFrameFromContext(MWContext* context)
+{
+  XFE_Frame *frame = 0;
+  while (context)
+  {
+    frame = ViewGlue_getFrame(context);
+    if (frame)
+      return frame;
+    if (context->grid_parent)
+      context = context->grid_parent;
+    else
+      return 0;
+  }
+  return 0; /* warning control -- shouldn't actually get here */
+}