src/ui/icon.cpp

   1 /*
   2  * $Logfile: /Freespace2/code/UI/icon.cpp $
   3  * $Revision$
   4  * $Date$
   5  * $Author$
   6  *
   7  * C++ class implementation for icon UI element
   8  *
   9  * $Log$
  10  * Revision 1.1  2002/05/03 03:28:11  root
  11  * Initial revision
  12  *
  13  *
  14  * 4     12/02/98 5:47p Dave
  15  * Put in interface xstr code. Converted barracks screen to new format.
  16  *
  17  * 3     10/13/98 9:29a Dave
  18  * Started neatening up freespace.h. Many variables renamed and
  19  * reorganized. Added AlphaColors.[h,cpp]
  20  *
  21  * 2     10/07/98 10:54a Dave
  22  * Initial checkin.
  23  *
  24  * 1     10/07/98 10:51a Dave
  25  *
  26  * 5     2/03/98 4:21p Hoffoss
  27  * Made UI controls draw white text when disabled.
  28  *
  29  * 4     1/20/98 10:36a Hoffoss
  30  * Fixed optimized warnings.
  31  *
  32  * 3     1/14/98 6:43p Hoffoss
  33  * Massive changes to UI code.  A lot cleaner and better now.  Did all
  34  * this to get the new UI_DOT_SLIDER to work properly, which the old code
  35  * wasn't flexible enough to handle.
  36  *
  37  * 2     9/07/97 10:05p Lawrance
  38  * add icon class
  39  *
  40  * 1     9/06/97 11:22p Lawrance
  41  *
  42  * $NoKeywords: $
  43  */
  44
  45 #include "uidefs.h"
  46 #include "ui.h"
  47 #include "alphacolors.h"
  48
  49 // ---------------------------------------------------------------------------------------
  50 // UI_ICON::create()
  51 //
  52 //
  53 void UI_ICON::create(UI_WINDOW *wnd, char *_text, int _x, int _y, int _w, int _h)
  54 {
  55         if (_text)
  56                 text = strdup(_text);
  57         else
  58                 text = NULL;
  59
  60         base_create(wnd, UI_KIND_ICON, _x, _y, _w, _h);
  61         m_flags = 0;
  62 }
  63
  64 void UI_ICON::destroy()
  65 {
  66         if (text) {
  67                 free(text);
  68                 text = NULL;
  69         }
  70
  71         UI_GADGET::destroy();
  72 }
  73
  74 void UI_ICON::draw()
  75 {
  76         if (uses_bmaps) {
  77                 gr_reset_clip();
  78                 if (disabled_flag) {
  79                         if (bmap_ids[ICON_DISABLED] != -1) {
  80                                 gr_set_bitmap(bmap_ids[ICON_DISABLED]);
  81                                 gr_bitmap(x,y);
  82                         }
  83
  84                 } else if (this->is_mouse_on()) {
  85                         if (B1_PRESSED) {
  86                                 if (bmap_ids[ICON_SELECTED] != -1) {
  87                                         gr_set_bitmap(bmap_ids[ICON_SELECTED]);
  88                                         gr_bitmap(x, y);
  89                                 }
  90
  91                         } else {
  92                                 if (bmap_ids[ICON_HIGHLIGHT] != -1) {
  93                                         gr_set_bitmap(bmap_ids[ICON_HIGHLIGHT]);
  94                                         gr_bitmap(x, y);
  95                                 }
  96                         }
  97
  98                 } else {
  99                         if (bmap_ids[ICON_NORMAL] != -1) {
 100                                 gr_set_bitmap(bmap_ids[ICON_NORMAL]);
 101                                 gr_bitmap(x, y);
 102                         }
 103                 }
 104
 105         } else {
 106                 gr_set_font(my_wnd->f_id);
 107                 gr_set_clip(x, y, w, h);
 108
 109                 ui_draw_box_out(0, 0, w-1, h-1);
 110                 if (disabled_flag)
 111                         gr_set_color_fast(&CDARK_GRAY);
 112                 else
 113                         gr_set_color_fast(&CBLACK);
 114
 115                 if (text)
 116                         ui_string_centered(Middle(w), Middle(h), text);
 117
 118                 gr_reset_clip();
 119         }
 120 }
 121
 122 // -----------------------------------------------------------------------
 123 // process()
 124 //
 125 void UI_ICON::process(int focus)
 126 {
 127         int OnMe;
 128
 129         if (disabled_flag) {
 130                 return;
 131         }
 132
 133         OnMe = is_mouse_on();
 134
 135         if (!OnMe) {
 136                 m_flags |= ICON_NOT_HIGHLIGHTED;
 137
 138         } else {
 139                 if ( m_flags & ICON_NOT_HIGHLIGHTED ) {
 140                         m_flags |= ICON_JUST_HIGHLIGHTED;
 141                         // if a callback exists, call it
 142                         m_flags &= ~ICON_NOT_HIGHLIGHTED;
 143                 }
 144         }
 145 }