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