rosapps/applications/explorer-old/taskbar/taskbar.h

   1 /*
   2  * Copyright 2003, 2004, 2005 Martin Fuchs
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19
  20  //
  21  // Explorer and Desktop clone
  22  //
  23  // taskbar.h
  24  //
  25  // Martin Fuchs, 16.08.2003
  26  //
  27
  28
  29 //#include "shellhook.h"
  30
  31
  32 #define CLASSNAME_TASKBAR               TEXT("MSTaskSwWClass")
  33 #define TITLE_TASKBAR                   TEXT("Running Applications")
  34
  35 #define IDC_FIRST_APP   0x2000
  36
  37 //#define TASKBAR_AT_TOP
  38
  39 #define TASKBUTTONWIDTH_MIN             38
  40 #define TASKBUTTONWIDTH_MAX             160
  41
  42
  43 #define IDW_TASKTOOLBAR 100
  44
  45
  46 #define PM_GET_LAST_ACTIVE      (WM_APP+0x1D)
  47
  48
  49  /// internal task bar button management entry
  50 struct TaskBarEntry
  51 {
  52         TaskBarEntry();
  53
  54         int             _id;    // ID for WM_COMMAND
  55         HBITMAP _hbmp;
  56         int             _bmp_idx;
  57         int             _used;
  58         int             _btn_idx;
  59         String  _title;
  60         BYTE    _fsState;
  61 };
  62
  63  /// map for managing the task bar buttons, mapped by application window handle
  64 struct TaskBarMap : public map<HWND, TaskBarEntry>
  65 {
  66         ~TaskBarMap();
  67
  68         iterator find_id(int id);
  69 };
  70
  71
  72  /// Taskbar window
  73 struct TaskBar : public Window
  74 {
  75         typedef Window super;
  76
  77         TaskBar(HWND hwnd);
  78         ~TaskBar();
  79
  80         static HWND Create(HWND hwndParent);
  81
  82 protected:
  83         WindowHandle _htoolbar;
  84         TaskBarMap      _map;
  85         int                     _next_id;
  86         WindowHandle _last_foreground_wnd;
  87         int                     _last_btn_width;
  88         MINIMIZEDMETRICS _mmMetrics_org;
  89
  90         const UINT WM_SHELLHOOK;
  91
  92         LRESULT Init(LPCREATESTRUCT pcs);
  93         LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
  94         int             Command(int id, int code);
  95         int             Notify(int id, NMHDR* pnmh);
  96
  97         void    ActivateApp(TaskBarMap::iterator it, bool can_minimize=true, bool can_restore=true);
  98         void    ShowAppSystemMenu(TaskBarMap::iterator it);
  99
 100         static BOOL CALLBACK EnumWndProc(HWND hwnd, LPARAM lparam);
 101
 102         void    Refresh();
 103         void    ResizeButtons();
 104 };