src/geomview.c

   1
   2
   3
   4 #include <WINGs/WINGsP.h>
   5
   6
   7
   8 typedef struct W_GeometryView {
   9     W_Class widgetClass;
  10     WMView *view;
  11
  12     WMColor *color;
  13     WMColor *bgColor;
  14
  15     WMFont *font;
  16
  17     WMSize textSize;
  18
  19     union {
  20         struct {
  21             int x, y;
  22         } pos;
  23         struct {
  24             unsigned width, height;
  25         } size;
  26     } data;
  27
  28     unsigned showPosition:1;
  29 } WGeometryView;
  30
  31
  32
  33 static void handleEvents(XEvent *event, void *clientData);
  34 static void paint(WGeometryView *gview);
  35
  36
  37 WGeometryView*
  38 WCreateGeometryView(WMScreen *scr)
  39 {
  40     WGeometryView *gview;
  41     char buffer[64];
  42     static W_Class widgetClass = 0;
  43
  44     if (!widgetClass) {
  45         widgetClass = W_RegisterUserWidget();
  46     }
  47
  48     gview = malloc(sizeof(WGeometryView));
  49     if (!gview) {
  50         return NULL;
  51     }
  52     memset(gview, 0, sizeof(WGeometryView));
  53
  54     gview->widgetClass = widgetClass;
  55
  56     gview->view = W_CreateTopView(scr);
  57     if (!gview->view) {
  58         wfree(gview);
  59
  60         return NULL;
  61     }
  62     gview->view->self = gview;
  63
  64     gview->font = WMSystemFontOfSize(scr, 12);
  65     if (!gview->font) {
  66         W_DestroyView(gview->view);
  67         wfree(gview);
  68
  69         return NULL;
  70     }
  71
  72     gview->bgColor = WMCreateRGBColor(scr, 0x3333, 0x6666, 0x9999, True);
  73     gview->color = WMWhiteColor(scr);
  74
  75     WMCreateEventHandler(gview->view, ExposureMask, handleEvents, gview);
  76
  77     snprintf(buffer, sizeof(buffer), "%+05i,  %+05i", 0, 0);
  78
  79     gview->textSize.width = WMWidthOfString(gview->font, buffer,
  80                                             strlen(buffer));
  81     gview->textSize.height = WMFontHeight(gview->font);
  82
  83     WMSetWidgetBackgroundColor(gview, gview->bgColor);
  84
  85     W_ResizeView(gview->view, gview->textSize.width+8,
  86                  gview->textSize.height+6);
  87
  88     return gview;
  89 }
  90
  91
  92 void
  93 WSetGeometryViewShownPosition(WGeometryView *gview, int x, int y)
  94 {
  95     gview->showPosition = 1;
  96     gview->data.pos.x = x;
  97     gview->data.pos.y = y;
  98
  99     paint(gview);
 100 }
 101
 102
 103 void
 104 WSetGeometryViewShownSize(WGeometryView *gview,
 105                           unsigned width, unsigned height)
 106 {
 107     gview->showPosition = 0;
 108     gview->data.size.width = width;
 109     gview->data.size.height = height;
 110
 111     paint(gview);
 112 }
 113
 114
 115
 116 static void
 117 paint(WGeometryView *gview)
 118 {
 119     char buffer[64];
 120
 121     if (gview->showPosition) {
 122         snprintf(buffer, sizeof(buffer), "%+5i , %+5i    ",
 123                  gview->data.pos.x, gview->data.pos.y);
 124     } else {
 125         snprintf(buffer, sizeof(buffer), "%+5i x %+5i    ",
 126                  gview->data.size.width, gview->data.size.height);
 127     }
 128
 129     WMDrawImageString(W_VIEW_SCREEN(gview->view),
 130                       W_VIEW_DRAWABLE(gview->view),
 131                       gview->color, gview->bgColor, gview->font,
 132                       (W_VIEW_WIDTH(gview->view)-gview->textSize.width)/2,
 133                       (W_VIEW_HEIGHT(gview->view)-gview->textSize.height)/2,
 134                       buffer, strlen(buffer));
 135
 136     W_DrawRelief(W_VIEW_SCREEN(gview->view), W_VIEW_DRAWABLE(gview->view),
 137                  0, 0, W_VIEW_WIDTH(gview->view), W_VIEW_HEIGHT(gview->view),
 138                  WRSimple);
 139 }
 140
 141
 142
 143 static void
 144 handleEvents(XEvent *event, void *clientData)
 145 {
 146     WGeometryView *gview = (WGeometryView*)clientData;
 147
 148     switch (event->type) {
 149     case Expose:
 150         paint(gview);
 151         break;
 152
 153     }
 154 }
 155