src/geomview.c

   1
   2 #include <WINGs/WINGsP.h>
   3
   4 #include "geomview.h"
   5
   6
   7 struct W_GeometryView {
   8         W_Class widgetClass;
   9         WMView *view;
  10
  11         WMColor *color;
  12         WMColor *bgColor;
  13
  14         WMFont *font;
  15
  16         WMSize textSize;
  17
  18         union {
  19                 struct {
  20                         int x, y;
  21                 } pos;
  22                 struct {
  23                         unsigned width, height;
  24                 } size;
  25         } data;
  26
  27         unsigned showPosition:1;
  28 };
  29
  30 static void handleEvents(XEvent * event, void *clientData);
  31 static void paint(WGeometryView * gview);
  32
  33 WGeometryView *WCreateGeometryView(WMScreen * scr)
  34 {
  35         WGeometryView *gview;
  36         char buffer[64];
  37         static W_Class widgetClass = 0;
  38
  39         if (!widgetClass) {
  40                 widgetClass = W_RegisterUserWidget();
  41         }
  42
  43         gview = malloc(sizeof(WGeometryView));
  44         if (!gview) {
  45                 return NULL;
  46         }
  47         memset(gview, 0, sizeof(WGeometryView));
  48
  49         gview->widgetClass = widgetClass;
  50
  51         gview->view = W_CreateTopView(scr);
  52         if (!gview->view) {
  53                 wfree(gview);
  54
  55                 return NULL;
  56         }
  57         gview->view->self = gview;
  58
  59         gview->font = WMSystemFontOfSize(scr, 12);
  60         if (!gview->font) {
  61                 W_DestroyView(gview->view);
  62                 wfree(gview);
  63
  64                 return NULL;
  65         }
  66
  67         gview->bgColor = WMCreateRGBColor(scr, 0x3333, 0x6666, 0x9999, True);
  68         gview->color = WMWhiteColor(scr);
  69
  70         WMCreateEventHandler(gview->view, ExposureMask, handleEvents, gview);
  71
  72         snprintf(buffer, sizeof(buffer), "%+05i,  %+05i", 0, 0);
  73
  74         gview->textSize.width = WMWidthOfString(gview->font, buffer, strlen(buffer));
  75         gview->textSize.height = WMFontHeight(gview->font);
  76
  77         WMSetWidgetBackgroundColor(gview, gview->bgColor);
  78
  79         W_ResizeView(gview->view, gview->textSize.width + 8, gview->textSize.height + 6);
  80
  81         return gview;
  82 }
  83
  84 void WSetGeometryViewShownPosition(WGeometryView * gview, int x, int y)
  85 {
  86         gview->showPosition = 1;
  87         gview->data.pos.x = x;
  88         gview->data.pos.y = y;
  89
  90         paint(gview);
  91 }
  92
  93 void WSetGeometryViewShownSize(WGeometryView * gview, unsigned width, unsigned height)
  94 {
  95         gview->showPosition = 0;
  96         gview->data.size.width = width;
  97         gview->data.size.height = height;
  98
  99         paint(gview);
 100 }
 101
 102 static void paint(WGeometryView * gview)
 103 {
 104         char buffer[64];
 105
 106         if (gview->showPosition) {
 107                 snprintf(buffer, sizeof(buffer), "%+5i , %+5i    ", gview->data.pos.x, gview->data.pos.y);
 108         } else {
 109                 snprintf(buffer, sizeof(buffer), "%+5i x %+5i    ",
 110                          gview->data.size.width, gview->data.size.height);
 111         }
 112
 113         WMDrawImageString(W_VIEW_SCREEN(gview->view),
 114                           W_VIEW_DRAWABLE(gview->view),
 115                           gview->color, gview->bgColor, gview->font,
 116                           (W_VIEW_WIDTH(gview->view) - gview->textSize.width) / 2,
 117                           (W_VIEW_HEIGHT(gview->view) - gview->textSize.height) / 2, buffer, strlen(buffer));
 118
 119         W_DrawRelief(W_VIEW_SCREEN(gview->view), W_VIEW_DRAWABLE(gview->view),
 120                      0, 0, W_VIEW_WIDTH(gview->view), W_VIEW_HEIGHT(gview->view), WRSimple);
 121 }
 122
 123 static void handleEvents(XEvent * event, void *clientData)
 124 {
 125         WGeometryView *gview = (WGeometryView *) clientData;
 126
 127         switch (event->type) {
 128         case Expose:
 129                 paint(gview);
 130                 break;
 131
 132         }
 133 }