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     {
  78         m_owner_mgr->m_action_window = NULL;
  79     }
  80
  81     m_mgr.UnInit();
  82 }
  83
  84 void wxAuiFloatingFrame::SetPaneWindow(const wxAuiPaneInfo& pane)
  85 {
  86     m_pane_window = pane.window;
  87     m_pane_window->Reparent(this);
  88
  89     wxAuiPaneInfo contained_pane = pane;
  90     contained_pane.Dock().Center().Show().
  91                     CaptionVisible(false).
  92                     PaneBorder(false).
  93                     Layer(0).Row(0).Position(0);
  94
  95     // Carry over the minimum size
  96     wxSize pane_min_size = pane.window->GetMinSize();
  97
  98     // if the frame window's max size is greater than the min size
  99     // then set the max size to the min size as well
 100     wxSize cur_max_size = GetMaxSize();
 101     if (cur_max_size.IsFullySpecified() &&
 102           (cur_max_size.x < pane.min_size.x ||
 103            cur_max_size.y < pane.min_size.y)
 104        )
 105     {
 106         SetMaxSize(pane_min_size);
 107     }
 108
 109     SetMinSize(pane.window->GetMinSize());
 110
 111     m_mgr.AddPane(m_pane_window, contained_pane);
 112     m_mgr.Update();
 113
 114     if (pane.min_size.IsFullySpecified())
 115     {
 116         // because SetSizeHints() calls Fit() too (which sets the window
 117         // size to its minimum allowed), we keep the size before calling
 118         // SetSizeHints() and reset it afterwards...
 119         wxSize tmp = GetSize();
 120         GetSizer()->SetSizeHints(this);
 121         SetSize(tmp);
 122     }
 123
 124     SetTitle(pane.caption);
 125
 126     if (pane.floating_size != wxDefaultSize)
 127     {
 128         SetSize(pane.floating_size);
 129     }
 130     else
 131     {
 132         wxSize size = pane.best_size;
 133         if (size == wxDefaultSize)
 134             size = pane.min_size;
 135         if (size == wxDefaultSize)
 136             size = m_pane_window->GetSize();
 137         if (m_owner_mgr && pane.HasGripper())
 138         {
 139             if (pane.HasGripperTop())
 140                 size.y += m_owner_mgr->m_art->GetMetric(wxAUI_DOCKART_GRIPPER_SIZE);
 141             else
 142                 size.x += m_owner_mgr->m_art->GetMetric(wxAUI_DOCKART_GRIPPER_SIZE);
 143         }
 144
 145         SetClientSize(size);
 146     }
 147 }
 148
 149 wxAuiManager* wxAuiFloatingFrame::GetOwnerManager() const
 150 {
 151     return m_owner_mgr;
 152 }
 153
 154
 155 void wxAuiFloatingFrame::OnSize(wxSizeEvent& event)
 156 {
 157     if (m_owner_mgr)
 158     {
 159         m_owner_mgr->OnFloatingPaneResized(m_pane_window, event.GetSize());
 160     }
 161 }
 162
 163 void wxAuiFloatingFrame::OnClose(wxCloseEvent& evt)
 164 {
 165     if (m_owner_mgr)
 166     {
 167         m_owner_mgr->OnFloatingPaneClosed(m_pane_window, evt);
 168     }
 169     if (!evt.GetVeto())
 170     {
 171         m_mgr.DetachPane(m_pane_window);
 172         Destroy();
 173     }
 174 }
 175
 176 void wxAuiFloatingFrame::OnMoveEvent(wxMoveEvent& event)
 177 {
 178     if (!m_solid_drag)
 179     {
 180         // systems without solid window dragging need to be
 181         // handled slightly differently, due to the lack of
 182         // the constant stream of EVT_MOVING events
 183         if (!isMouseDown())
 184             return;
 185         OnMoveStart();
 186         OnMoving(event.GetRect(), wxNORTH);
 187         m_moving = true;
 188         return;
 189     }
 190
 191
 192     wxRect win_rect = GetRect();
 193
 194     if (win_rect == m_last_rect)
 195         return;
 196
 197     // skip the first move event
 198     if (m_last_rect.IsEmpty())
 199     {
 200         m_last_rect = win_rect;
 201         return;
 202     }
 203
 204     // skip if moving too fast to avoid massive redraws and
 205     // jumping hint windows
 206     if ((abs(win_rect.x - m_last_rect.x) > 3) ||
 207         (abs(win_rect.y - m_last_rect.y) > 3))
 208     {
 209         m_last3_rect = m_last2_rect;
 210         m_last2_rect = m_last_rect;
 211         m_last_rect = win_rect;
 212         return;
 213     }
 214
 215     // prevent frame redocking during resize
 216     if (m_last_rect.GetSize() != win_rect.GetSize())
 217     {
 218         m_last3_rect = m_last2_rect;
 219         m_last2_rect = m_last_rect;
 220         m_last_rect = win_rect;
 221         return;
 222     }
 223
 224     wxDirection dir = wxALL;
 225
 226     int horiz_dist = abs(win_rect.x - m_last3_rect.x);
 227     int vert_dist = abs(win_rect.y - m_last3_rect.y);
 228
 229     if (vert_dist >= horiz_dist)
 230     {
 231         if (win_rect.y < m_last3_rect.y)
 232             dir = wxNORTH;
 233         else
 234             dir = wxSOUTH;
 235     }
 236     else
 237     {
 238         if (win_rect.x < m_last3_rect.x)
 239             dir = wxWEST;
 240         else
 241             dir = wxEAST;
 242     }
 243
 244     m_last3_rect = m_last2_rect;
 245     m_last2_rect = m_last_rect;
 246     m_last_rect = win_rect;
 247
 248     if (!isMouseDown())
 249         return;
 250
 251     if (!m_moving)
 252     {
 253         OnMoveStart();
 254         m_moving = true;
 255     }
 256
 257     if (m_last3_rect.IsEmpty())
 258         return;
 259
 260     OnMoving(event.GetRect(), dir);
 261 }
 262
 263 void wxAuiFloatingFrame::OnIdle(wxIdleEvent& event)
 264 {
 265     if (m_moving)
 266     {
 267         if (!isMouseDown())
 268         {
 269             m_moving = false;
 270             OnMoveFinished();
 271         }
 272         else
 273         {
 274             event.RequestMore();
 275         }
 276     }
 277 }
 278
 279 void wxAuiFloatingFrame::OnMoveStart()
 280 {
 281     // notify the owner manager that the pane has started to move
 282     if (m_owner_mgr)
 283     {
 284         m_owner_mgr->OnFloatingPaneMoveStart(m_pane_window);
 285     }
 286 }
 287
 288 void wxAuiFloatingFrame::OnMoving(const wxRect& WXUNUSED(window_rect), wxDirection dir)
 289 {
 290     // notify the owner manager that the pane is moving
 291     if (m_owner_mgr)
 292     {
 293         m_owner_mgr->OnFloatingPaneMoving(m_pane_window, dir);
 294     }
 295     m_lastDirection = dir;
 296 }
 297
 298 void wxAuiFloatingFrame::OnMoveFinished()
 299 {
 300     // notify the owner manager that the pane has finished moving
 301     if (m_owner_mgr)
 302     {
 303         m_owner_mgr->OnFloatingPaneMoved(m_pane_window, m_lastDirection);
 304     }
 305 }
 306
 307 void wxAuiFloatingFrame::OnActivate(wxActivateEvent& event)
 308 {
 309     if (m_owner_mgr && event.GetActive())
 310     {
 311         m_owner_mgr->OnFloatingPaneActivated(m_pane_window);
 312     }
 313 }
 314
 315 // utility function which determines the state of the mouse button
 316 // (independant of having a wxMouseEvent handy) - utimately a better
 317 // mechanism for this should be found (possibly by adding the
 318 // functionality to wxWidgets itself)
 319 bool wxAuiFloatingFrame::isMouseDown()
 320 {
 321     return wxGetMouseState().LeftDown();
 322 }
 323
 324
 325 BEGIN_EVENT_TABLE(wxAuiFloatingFrame, wxAuiFloatingFrameBaseClass)
 326     EVT_SIZE(wxAuiFloatingFrame::OnSize)
 327     EVT_MOVE(wxAuiFloatingFrame::OnMoveEvent)
 328     EVT_MOVING(wxAuiFloatingFrame::OnMoveEvent)
 329     EVT_CLOSE(wxAuiFloatingFrame::OnClose)
 330     EVT_IDLE(wxAuiFloatingFrame::OnIdle)
 331     EVT_ACTIVATE(wxAuiFloatingFrame::OnActivate)
 332 END_EVENT_TABLE()
 333
 334
 335 #endif // wxUSE_AUI