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