PickView.h

   1 /*
   2  * Copyright (c) 2002 Robert Collins.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins <robertc@hotmail.com>
  13  *
  14  */
  15
  16 #ifndef SETUP_PICKVIEW_H
  17 #define SETUP_PICKVIEW_H
  18
  19 #include "win32.h"
  20 #include "String++.h"
  21 #include "window.h"
  22 #include "RECTWrapper.h"
  23
  24 #define HMARGIN 10
  25 #define ROW_MARGIN      5
  26 #define ICON_MARGIN     4
  27 #define RTARROW_WIDTH 11
  28 #define SPIN_WIDTH 11
  29 #define NEW_COL_SIZE_SLOP (ICON_MARGIN + SPIN_WIDTH + RTARROW_WIDTH)
  30 #define CHECK_SIZE      11
  31
  32 #define CATEGORY_EXPANDED  0
  33 #define CATEGORY_COLLAPSED 1
  34
  35 class PickView;
  36 #include "PickCategoryLine.h"
  37 #include "package_meta.h"
  38
  39 class PickView : public Window
  40 {
  41 public:
  42   virtual bool Create (Window * Parent = NULL, DWORD Style = WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN, RECT * r = NULL);
  43   virtual bool registerWindowClass ();
  44   class views;
  45   class Header;
  46   int num_columns;
  47   views get_view_mode ()
  48   {
  49     return view_mode;
  50   };
  51   void defaultTrust (trusts trust);
  52   void set_view_mode (views _mode);
  53   void setViewMode (PickView::views mode);
  54   void paint (HWND hwnd);
  55   LRESULT CALLBACK list_click (HWND hwnd, BOOL dblclk, int x, int y, UINT hitCode);
  56   LRESULT CALLBACK list_hscroll (HWND hwnd, HWND hctl, UINT code, int pos);
  57   LRESULT CALLBACK list_vscroll (HWND hwnd, HWND hctl, UINT code, int pos);
  58   virtual LRESULT WindowProc (UINT uMsg, WPARAM wParam, LPARAM lParam);
  59   Header *headers;
  60   PickView (Category & cat);
  61   void init(views _mode);
  62   ~PickView();
  63   const char *mode_caption ();
  64   void insert_pkg (packagemeta &);
  65   void insert_category (Category *, bool);
  66   void clear_view (void);
  67   int click (int row, int x);
  68   void refresh();
  69   int current_col;
  70   int new_col;
  71   int bintick_col;
  72   int srctick_col;
  73   int cat_col;
  74   int pkg_col;
  75   int last_col;
  76   int row_height;
  77   TEXTMETRIC tm;
  78   HDC bitmap_dc;
  79   HANDLE bm_spin,bm_rtarrow, bm_checkyes, bm_checkno, bm_checkna;
  80   trusts deftrust;
  81   HANDLE sysfont;
  82   int scroll_ulc_x, scroll_ulc_y;
  83   int header_height;
  84   PickCategoryLine contents;
  85   void scroll (HWND hwnd, int which, int *var, int code);
  86   HWND ListHeader (void) const
  87   {
  88     return listheader;
  89   }
  90
  91   class views
  92   {
  93   public:
  94     static const views Unknown;
  95     static const views PackageFull;
  96     static const views Package;
  97     static const views PackageKeeps;
  98     static const views PackageSkips;
  99     static const views Category;
 100     static const views NView;
 101       views ():_value (0)
 102     {
 103     };
 104     views (int aInt)
 105     {
 106       _value = aInt;
 107       if (_value < 0 || _value > 5)
 108         _value = 0;
 109     }
 110     views & operator++ ();
 111     bool operator == (views const &rhs)
 112     {
 113       return _value == rhs._value;
 114     }
 115     bool operator != (views const &rhs)
 116     {
 117       return _value != rhs._value;
 118     }
 119     const char *caption ();
 120
 121   private:
 122     int _value;
 123   };
 124
 125   class Header
 126   {
 127   public:
 128     const char *text;
 129     int slen;
 130     int width;
 131     int x;
 132   };
 133
 134 private:
 135   static ATOM WindowClassAtom;
 136   HWND listheader;
 137   views view_mode;
 138
 139   // Stuff needed to handle resizing
 140   bool hasClientRect;
 141   RECTWrapper lastClientRect;
 142
 143   void set_headers ();
 144   void init_headers (HDC dc);
 145   void note_width (Header *hdrs, HDC dc, String const &string, int addend,
 146       int column);
 147 };
 148
 149 #endif /* SETUP_PICKVIEW_H */