src/geomview.c

   1
   2 #include <WINGs/WINGsP.h>
   3
   4 typedef struct W_GeometryView {
   5         W_Class widgetClass;
   6         WMView *view;
   7
   8         WMColor *color;
   9         WMColor *bgColor;
  10
  11         WMFont *font;
  12
  13         WMSize textSize;
  14
  15         union {
  16                 struct {
  17                         int x, y;
  18                 } pos;
  19                 struct {
  20                         unsigned width, height;
  21                 } size;
  22         } data;
  23
  24         unsigned showPosition:1;
  25 } WGeometryView;
  26
  27 static void handleEvents(XEvent * event, void *clientData);
  28 static void paint(WGeometryView * gview);
  29
  30 WGeometryView *WCreateGeometryView(WMScreen * scr)
  31 {
  32         WGeometryView *gview;
  33         char buffer[64];
  34         static W_Class widgetClass = 0;
  35
  36         if (!widgetClass) {
  37                 widgetClass = W_RegisterUserWidget();
  38         }
  39
  40         gview = malloc(sizeof(WGeometryView));
  41         if (!gview) {
  42                 return NULL;
  43         }
  44         memset(gview, 0, sizeof(WGeometryView));
  45
  46         gview->widgetClass = widgetClass;
  47
  48         gview->view = W_CreateTopView(scr);
  49         if (!gview->view) {
  50                 wfree(gview);
  51
  52                 return NULL;
  53         }
  54         gview->view->self = gview;
  55
  56         gview->font = WMSystemFontOfSize(scr, 12);
  57         if (!gview->font) {
  58                 W_DestroyView(gview->view);
  59                 wfree(gview);
  60
  61                 return NULL;
  62         }
  63
  64         gview->bgColor = WMCreateRGBColor(scr, 0x3333, 0x6666, 0x9999, True);
  65         gview->color = WMWhiteColor(scr);
  66
  67         WMCreateEventHandler(gview->view, ExposureMask, handleEvents, gview);
  68
  69         snprintf(buffer, sizeof(buffer), "%+05i,  %+05i", 0, 0);
  70
  71         gview->textSize.width = WMWidthOfString(gview->font, buffer, strlen(buffer));
  72         gview->textSize.height = WMFontHeight(gview->font);
  73
  74         WMSetWidgetBackgroundColor(gview, gview->bgColor);
  75
  76         W_ResizeView(gview->view, gview->textSize.width + 8, gview->textSize.height + 6);
  77
  78         return gview;
  79 }
  80
  81 void WSetGeometryViewShownPosition(WGeometryView * gview, int x, int y)
  82 {
  83         gview->showPosition = 1;
  84         gview->data.pos.x = x;
  85         gview->data.pos.y = y;
  86
  87         paint(gview);
  88 }
  89
  90 void WSetGeometryViewShownSize(WGeometryView * gview, unsigned width, unsigned height)
  91 {
  92         gview->showPosition = 0;
  93         gview->data.size.width = width;
  94         gview->data.size.height = height;
  95
  96         paint(gview);
  97 }
  98
  99 static void paint(WGeometryView * gview)
 100 {
 101         char buffer[64];
 102
 103         if (gview->showPosition) {
 104                 snprintf(buffer, sizeof(buffer), "%+5i , %+5i    ", gview->data.pos.x, gview->data.pos.y);
 105         } else {
 106                 snprintf(buffer, sizeof(buffer), "%+5i x %+5i    ",
 107                          gview->data.size.width, gview->data.size.height);
 108         }
 109
 110         WMDrawImageString(W_VIEW_SCREEN(gview->view),
 111                           W_VIEW_DRAWABLE(gview->view),
 112                           gview->color, gview->bgColor, gview->font,
 113                           (W_VIEW_WIDTH(gview->view) - gview->textSize.width) / 2,
 114                           (W_VIEW_HEIGHT(gview->view) - gview->textSize.height) / 2, buffer, strlen(buffer));
 115
 116         W_DrawRelief(W_VIEW_SCREEN(gview->view), W_VIEW_DRAWABLE(gview->view),
 117                      0, 0, W_VIEW_WIDTH(gview->view), W_VIEW_HEIGHT(gview->view), WRSimple);
 118 }
 119
 120 static void handleEvents(XEvent * event, void *clientData)
 121 {
 122         WGeometryView *gview = (WGeometryView *) clientData;
 123
 124         switch (event->type) {
 125         case Expose:
 126                 paint(gview);
 127                 break;
 128
 129         }
 130 }