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 <string>
  20 #include "win32.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 SPIN_WIDTH      11
  28 #define CHECK_SIZE      11
  29 #define TREE_INDENT     12
  30
  31 #define CATEGORY_EXPANDED  0
  32 #define CATEGORY_COLLAPSED 1
  33
  34 class PickView;
  35 #include "PickCategoryLine.h"
  36 #include "package_meta.h"
  37
  38 class PickView : public Window
  39 {
  40 public:
  41   virtual bool Create (Window * Parent = NULL, DWORD Style = WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN, RECT * r = NULL);
  42   virtual bool registerWindowClass ();
  43   class views;
  44   class Header;
  45   int num_columns;
  46   void defaultTrust (trusts trust);
  47   void cycleViewMode ();
  48   void setViewMode (views mode);
  49   void DrawIcon (HDC hdc, int x, int y, HANDLE hIcon);
  50   void paint (HWND hwnd);
  51   LRESULT CALLBACK list_click (HWND hwnd, BOOL dblclk, int x, int y, UINT hitCode);
  52   LRESULT CALLBACK list_hscroll (HWND hwnd, HWND hctl, UINT code, int pos);
  53   LRESULT CALLBACK list_vscroll (HWND hwnd, HWND hctl, UINT code, int pos);
  54   void set_vscroll_info (const RECT &r);
  55   virtual LRESULT WindowProc (UINT uMsg, WPARAM wParam, LPARAM lParam);
  56   Header *headers;
  57   PickView (Category & cat);
  58   void init(views _mode);
  59   ~PickView();
  60   const char *mode_caption ();
  61   void setObsolete (bool doit);
  62   void insert_pkg (packagemeta &);
  63   void insert_category (Category *, bool);
  64   int click (int row, int x);
  65   void refresh();
  66   int current_col;
  67   int new_col;
  68   int bintick_col;
  69   int srctick_col;
  70   int cat_col;
  71   int size_col;
  72   int pkg_col;
  73   int last_col;
  74   int row_height;
  75   TEXTMETRIC tm;
  76   HDC bitmap_dc, icon_dc;
  77   HBITMAP bm_icon;
  78   HRGN rect_icon;
  79   HBRUSH bg_fg_brush;
  80   HANDLE bm_spin, bm_checkyes, bm_checkno, bm_checkna, bm_treeplus, bm_treeminus;
  81   trusts deftrust;
  82   HANDLE sysfont;
  83   int scroll_ulc_x, scroll_ulc_y;
  84   int header_height;
  85   PickCategoryLine contents;
  86   void scroll (HWND hwnd, int which, int *var, int code, int howmany);
  87
  88   void SetPackageFilter (const std::string &filterString)
  89   {
  90     packageFilterString = filterString;
  91   }
  92
  93
  94   HWND ListHeader (void) const
  95   {
  96     return listheader;
  97   }
  98
  99   class views
 100   {
 101   public:
 102     static const views Unknown;
 103     static const views PackageFull;
 104     static const views Package;
 105     static const views PackageKeeps;
 106     static const views PackageSkips;
 107     static const views Category;
 108     static const views NView;
 109       views ():_value (0)
 110     {
 111     };
 112     views (int aInt)
 113     {
 114       _value = aInt;
 115       if (_value < 0 || _value > 5)
 116         _value = 0;
 117     }
 118     views & operator++ ();
 119     bool operator == (views const &rhs)
 120     {
 121       return _value == rhs._value;
 122     }
 123     bool operator != (views const &rhs)
 124     {
 125       return _value != rhs._value;
 126     }
 127     const char *caption ();
 128
 129   private:
 130     int _value;
 131   };
 132
 133   class Header
 134   {
 135   public:
 136     const char *text;
 137     int width;
 138     int x;
 139     bool needs_clip;
 140   };
 141
 142 private:
 143   static ATOM WindowClassAtom;
 144   HWND listheader;
 145   views view_mode;
 146   bool showObsolete;
 147   std::string packageFilterString;
 148
 149   // Stuff needed to handle resizing
 150   bool hasWindowRect;
 151   RECTWrapper lastWindowRect;
 152   int total_delta_x;
 153
 154   int set_header_column_order (views vm);
 155   void set_headers ();
 156   void init_headers (HDC dc);
 157   void note_width (Header *hdrs, HDC dc, const std::string& string,
 158                    int addend, int column);
 159 };
 160
 161 bool isObsolete (std::set <std::string, casecompare_lt_op> &categories);
 162 bool isObsolete (const std::string& catname);
 163
 164 #endif /* SETUP_PICKVIEW_H */