window position/size display widget

src/geomview.c

@@ -0,0 +1,161 @@
+
+
+
+#include "WINGsP.h"
+
+
+
+typedef struct W_GeometryView {
+    W_Class widgetClass;
+    WMView *view;
+    
+    GC gc;
+    WMFont *font;
+    
+    WMSize textSize;
+    
+    union {
+	struct {
+	    int x, y;
+	} pos;
+	struct {
+	    unsigned width, height;
+	} size;
+    } data;
+    
+    unsigned showPosition:1;
+} WGeometryView;
+
+
+
+static void handleEvents(XEvent *event, void *clientData);
+static void paint(WGeometryView *gview);
+
+
+WGeometryView*
+WCreateGeometryView(WMScreen *scr)
+{
+    WGeometryView *gview;
+    char buffer[64];
+    static W_Class widgetClass = 0;
+    
+    if (!widgetClass) {
+	widgetClass = W_RegisterUserWidget();
+    }
+    
+    gview = malloc(sizeof(WGeometryView));
+    if (!gview) {
+	return NULL;
+    }
+    memset(gview, 0, sizeof(WGeometryView));
+    
+    gview->widgetClass = widgetClass;
+
+    gview->view = W_CreateTopView(scr);
+    if (!gview->view) {
+	free(gview);
+
+	return NULL;
+    }
+    gview->view->self = gview;
+
+    gview->font = WMSystemFontOfSize(scr, 12);
+    if (!gview->font) {
+	W_DestroyView(gview->view);
+	free(gview);
+
+	return NULL;
+    }
+
+    {
+	WMColor *black = WMBlackColor(scr);
+	WMColor *gray = WMGrayColor(scr);
+	XGCValues gcv;
+	
+	gcv.foreground = WMColorPixel(black);
+	gcv.background = WMColorPixel(gray);
+	
+	gview->gc = XCreateGC(WMScreenDisplay(scr), W_DRAWABLE(scr),
+			      GCForeground|GCBackground, &gcv);
+
+	WMReleaseColor(black);
+	WMReleaseColor(gray);
+    }
+
+    WMCreateEventHandler(gview->view, ExposureMask, handleEvents, gview);
+
+    sprintf(buffer, "%+05i,  %+05i", 0, 0);
+
+    gview->textSize.width = WMWidthOfString(gview->font, buffer, 
+					    strlen(buffer));
+    gview->textSize.height = WMFontHeight(gview->font);
+    
+    W_ResizeView(gview->view, gview->textSize.width+8,
+		 gview->textSize.height+6);
+
+    return gview;
+}
+
+
+void
+WSetGeometryViewShownPosition(WGeometryView *gview, int x, int y)
+{
+    gview->showPosition = 1;
+    gview->data.pos.x = x;
+    gview->data.pos.y = y;
+    
+    paint(gview);
+}
+
+
+void
+WSetGeometryViewShownSize(WGeometryView *gview,
+			  unsigned width, unsigned height)
+{
+    gview->showPosition = 0;
+    gview->data.size.width = width;
+    gview->data.size.height = height;
+    
+    paint(gview);
+}
+
+
+
+static void
+paint(WGeometryView *gview)
+{
+    char buffer[64];
+
+    if (gview->showPosition) {
+	sprintf(buffer, "%+5i , %+5i    ", gview->data.pos.x, gview->data.pos.y);
+    } else {
+	sprintf(buffer, "%+5i x %+5i    ", gview->data.size.width, gview->data.size.height);
+    }
+
+    WMDrawImageString(W_VIEW_SCREEN(gview->view),
+		      W_VIEW_DRAWABLE(gview->view),
+		      gview->gc, gview->font,
+		      (W_VIEW_WIDTH(gview->view)-gview->textSize.width)/2,
+		      (W_VIEW_HEIGHT(gview->view)-gview->textSize.height)/2,
+		      buffer, strlen(buffer));
+
+    W_DrawRelief(W_VIEW_SCREEN(gview->view), W_VIEW_DRAWABLE(gview->view),
+		 0, 0, W_VIEW_WIDTH(gview->view), W_VIEW_HEIGHT(gview->view),
+		 WRRaised);
+}
+
+
+
+static void
+handleEvents(XEvent *event, void *clientData)
+{
+    WGeometryView *gview = (WGeometryView*)clientData;
+    
+    switch (event->type) {
+     case Expose:
+	paint(gview);
+	break;
+	
+    }
+}
+

src/geomview.h

@@ -0,0 +1,16 @@
+
+
+typedef struct W_GeometryView WGeometryView;
+
+
+WGeometryView *WCreateGeometryView(WMScreen *scr);
+
+void WSetGeometryViewShownPosition(WGeometryView *gview, int x, int y);
+
+void WSetGeometryViewShownSize(WGeometryView *gview,
+			       unsigned width, unsigned height);
+
+
+
+
+