src/aui/floatpane.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/aui/floatpane.cpp
   3 // Purpose:     wxaui: wx advanced user interface - docking window manager
   4 // Author:      Benjamin I. Williams
   5 // Modified by:
   6 // Created:     2005-05-17
   7 // RCS-ID:      $Id$
   8 // Copyright:   (C) Copyright 2005-2006, Kirix Corporation, All Rights Reserved
   9 // Licence:     wxWindows Library Licence, Version 3.1
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_AUI
  27
  28 #include "wx/aui/framemanager.h"
  29 #include "wx/aui/floatpane.h"
  30 #include "wx/aui/dockart.h"
  31
  32 #ifndef WX_PRECOMP
  33 #endif
  34
  35 #ifdef __WXMSW__
  36 #include "wx/msw/private.h"
  37 #endif
  38
  39 IMPLEMENT_CLASS( wxAuiFloatingFrame, wxAuiFloatingFrameBaseClass )
  40
  41 wxAuiFloatingFrame::wxAuiFloatingFrame(wxWindow* parent,
  42                 wxAuiManager* owner_mgr,
  43                 const wxAuiPaneInfo& pane,
  44                 wxWindowID id /*= wxID_ANY*/,
  45                 long style /*=wxRESIZE_BORDER | wxSYSTEM_MENU | wxCAPTION |
  46                               wxFRAME_NO_TASKBAR | wxFRAME_FLOAT_ON_PARENT |
  47                               wxCLIP_CHILDREN
  48                            */)
  49                 : wxAuiFloatingFrameBaseClass(parent, id, wxEmptyString,
  50                         pane.floating_pos, pane.floating_size,
  51                         style |
  52                         (pane.HasCloseButton()?wxCLOSE_BOX:0) |
  53                         (pane.HasMaximizeButton()?wxMAXIMIZE_BOX:0) |
  54                         (pane.IsFixed()?0:wxRESIZE_BORDER)
  55                         )
  56 {
  57     m_owner_mgr = owner_mgr;
  58     m_moving = false;
  59     m_mgr.SetManagedWindow(this);
  60     m_solid_drag = true;
  61
  62     // find out if the system supports solid window drag.
  63     // on non-msw systems, this is assumed to be the case
  64 #ifdef __WXMSW__
  65     BOOL b = TRUE;
  66     SystemParametersInfo(38 /*SPI_GETDRAGFULLWINDOWS*/, 0, &b, 0);
  67     m_solid_drag = b ? true : false;
  68 #endif
  69
  70     SetExtraStyle(wxWS_EX_PROCESS_IDLE);
  71 }
  72
  73 wxAuiFloatingFrame::~wxAuiFloatingFrame()
  74 {
  75     // if we do not do this, then we can crash...
  76     if(m_owner_mgr && m_owner_mgr->m_action_window == this) {
  77         m_owner_mgr->m_action_window = NULL;
  78     }
  79     m_mgr.UnInit();
  80 }
  81
  82 void wxAuiFloatingFrame::SetPaneWindow(const wxAuiPaneInfo& pane)
  83 {
  84     m_pane_window = pane.window;
  85     m_pane_window->Reparent(this);
  86
  87     wxAuiPaneInfo contained_pane = pane;
  88     contained_pane.Dock().Center().Show().
  89                     CaptionVisible(false).
  90                     PaneBorder(false).
  91                     Layer(0).Row(0).Position(0);
  92
  93     // Carry over the minimum size
  94     SetMinSize(pane.window->GetMinSize());
  95
  96     m_mgr.AddPane(m_pane_window, contained_pane);
  97     m_mgr.Update();
  98
  99     if (pane.min_size.IsFullySpecified())
 100     {
 101         // because SetSizeHints() calls Fit() too (which sets the window
 102         // size to its minimum allowed), we keep the size before calling
 103         // SetSizeHints() and reset it afterwards...
 104         wxSize tmp = GetSize();
 105         GetSizer()->SetSizeHints(this);
 106         SetSize(tmp);
 107     }
 108
 109     SetTitle(pane.caption);
 110
 111     if (pane.floating_size != wxDefaultSize)
 112     {
 113         SetSize(pane.floating_size);
 114     }
 115         else
 116     {
 117         wxSize size = pane.best_size;
 118         if (size == wxDefaultSize)
 119             size = pane.min_size;
 120         if (size == wxDefaultSize)
 121             size = m_pane_window->GetSize();
 122         if (pane.HasGripper())
 123         {
 124             if (pane.HasGripperTop())
 125                 size.y += m_owner_mgr->m_art->GetMetric(wxAUI_ART_GRIPPER_SIZE);
 126             else
 127                 size.x += m_owner_mgr->m_art->GetMetric(wxAUI_ART_GRIPPER_SIZE);
 128         }
 129
 130         SetClientSize(size);
 131     }
 132 }
 133
 134 void wxAuiFloatingFrame::OnSize(wxSizeEvent& event)
 135 {
 136     m_owner_mgr->OnFloatingPaneResized(m_pane_window, event.GetSize());
 137 }
 138
 139 void wxAuiFloatingFrame::OnClose(wxCloseEvent& evt)
 140 {
 141     m_owner_mgr->OnFloatingPaneClosed(m_pane_window, evt);
 142     if (!evt.GetVeto())
 143         Destroy();
 144 }
 145
 146 void wxAuiFloatingFrame::OnMoveEvent(wxMoveEvent& event)
 147 {
 148     if (!m_solid_drag)
 149     {
 150         // systems without solid window dragging need to be
 151         // handled slightly differently, due to the lack of
 152         // the constant stream of EVT_MOVING events
 153         if (!isMouseDown())
 154             return;
 155         OnMoveStart();
 156         OnMoving(event.GetRect(), wxNORTH);
 157         m_moving = true;
 158         return;
 159     }
 160
 161
 162     wxRect win_rect = GetRect();
 163
 164     if (win_rect == m_last_rect)
 165         return;
 166
 167     // skip the first move event
 168     if (m_last_rect.IsEmpty())
 169     {
 170         m_last_rect = win_rect;
 171         return;
 172     }
 173
 174     // skip if moving too fast to avoid massive redraws and
 175     // jumping hint windows
 176     if ((abs(win_rect.x - m_last_rect.x) > 3) ||
 177         (abs(win_rect.y - m_last_rect.y) > 3))
 178     {
 179         m_last3_rect = m_last2_rect;
 180         m_last2_rect = m_last_rect;
 181         m_last_rect = win_rect;
 182         return;
 183     }
 184
 185     // prevent frame redocking during resize
 186     if (m_last_rect.GetSize() != win_rect.GetSize())
 187     {
 188         m_last3_rect = m_last2_rect;
 189         m_last2_rect = m_last_rect;
 190         m_last_rect = win_rect;
 191         return;
 192     }
 193
 194     wxDirection dir = wxALL;
 195
 196     int horiz_dist = abs(win_rect.x - m_last3_rect.x);
 197     int vert_dist = abs(win_rect.y - m_last3_rect.y);
 198
 199     if (vert_dist >= horiz_dist)
 200     {
 201         if (win_rect.y < m_last3_rect.y)
 202             dir = wxNORTH;
 203         else
 204             dir = wxSOUTH;
 205     }
 206     else
 207     {
 208         if (win_rect.x < m_last3_rect.x)
 209             dir = wxWEST;
 210         else
 211             dir = wxEAST;
 212     }
 213
 214     m_last3_rect = m_last2_rect;
 215     m_last2_rect = m_last_rect;
 216     m_last_rect = win_rect;
 217
 218     if (!isMouseDown())
 219         return;
 220
 221     if (!m_moving)
 222     {
 223         OnMoveStart();
 224         m_moving = true;
 225     }
 226
 227     if (m_last3_rect.IsEmpty())
 228         return;
 229
 230     OnMoving(event.GetRect(), dir);
 231 }
 232
 233 void wxAuiFloatingFrame::OnIdle(wxIdleEvent& event)
 234 {
 235     if (m_moving)
 236     {
 237         if (!isMouseDown())
 238         {
 239             m_moving = false;
 240             OnMoveFinished();
 241         }
 242          else
 243         {
 244             event.RequestMore();
 245         }
 246     }
 247 }
 248
 249 void wxAuiFloatingFrame::OnMoveStart()
 250 {
 251     // notify the owner manager that the pane has started to move
 252     m_owner_mgr->OnFloatingPaneMoveStart(m_pane_window);
 253 }
 254
 255 void wxAuiFloatingFrame::OnMoving(const wxRect& WXUNUSED(window_rect), wxDirection dir)
 256 {
 257     // notify the owner manager that the pane is moving
 258     m_owner_mgr->OnFloatingPaneMoving(m_pane_window, dir);
 259     m_lastDirection = dir;
 260 }
 261
 262 void wxAuiFloatingFrame::OnMoveFinished()
 263 {
 264     // notify the owner manager that the pane has finished moving
 265     m_owner_mgr->OnFloatingPaneMoved(m_pane_window, m_lastDirection);
 266 }
 267
 268 void wxAuiFloatingFrame::OnActivate(wxActivateEvent& event)
 269 {
 270     if (event.GetActive())
 271     {
 272         m_owner_mgr->OnFloatingPaneActivated(m_pane_window);
 273     }
 274 }
 275
 276 // utility function which determines the state of the mouse button
 277 // (independant of having a wxMouseEvent handy) - utimately a better
 278 // mechanism for this should be found (possibly by adding the
 279 // functionality to wxWidgets itself)
 280 bool wxAuiFloatingFrame::isMouseDown()
 281 {
 282     return wxGetMouseState().LeftDown();
 283 }
 284
 285
 286 BEGIN_EVENT_TABLE(wxAuiFloatingFrame, wxAuiFloatingFrameBaseClass)
 287     EVT_SIZE(wxAuiFloatingFrame::OnSize)
 288     EVT_MOVE(wxAuiFloatingFrame::OnMoveEvent)
 289     EVT_MOVING(wxAuiFloatingFrame::OnMoveEvent)
 290     EVT_CLOSE(wxAuiFloatingFrame::OnClose)
 291     EVT_IDLE(wxAuiFloatingFrame::OnIdle)
 292     EVT_ACTIVATE(wxAuiFloatingFrame::OnActivate)
 293 END_EVENT_TABLE()
 294
 295
 296 #endif // wxUSE_AUI