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         m_mgr.DetachPane(m_pane_window);
 164         Destroy();
 165     }
 166 }
 167
 168 void wxAuiFloatingFrame::OnMoveEvent(wxMoveEvent& event)
 169 {
 170     if (!m_solid_drag)
 171     {
 172         // systems without solid window dragging need to be
 173         // handled slightly differently, due to the lack of
 174         // the constant stream of EVT_MOVING events
 175         if (!isMouseDown())
 176             return;
 177         OnMoveStart();
 178         OnMoving(event.GetRect(), wxNORTH);
 179         m_moving = true;
 180         return;
 181     }
 182
 183
 184     wxRect win_rect = GetRect();
 185
 186     if (win_rect == m_last_rect)
 187         return;
 188
 189     // skip the first move event
 190     if (m_last_rect.IsEmpty())
 191     {
 192         m_last_rect = win_rect;
 193         return;
 194     }
 195
 196     // skip if moving too fast to avoid massive redraws and
 197     // jumping hint windows
 198     if ((abs(win_rect.x - m_last_rect.x) > 3) ||
 199         (abs(win_rect.y - m_last_rect.y) > 3))
 200     {
 201         m_last3_rect = m_last2_rect;
 202         m_last2_rect = m_last_rect;
 203         m_last_rect = win_rect;
 204         return;
 205     }
 206
 207     // prevent frame redocking during resize
 208     if (m_last_rect.GetSize() != win_rect.GetSize())
 209     {
 210         m_last3_rect = m_last2_rect;
 211         m_last2_rect = m_last_rect;
 212         m_last_rect = win_rect;
 213         return;
 214     }
 215
 216     wxDirection dir = wxALL;
 217
 218     int horiz_dist = abs(win_rect.x - m_last3_rect.x);
 219     int vert_dist = abs(win_rect.y - m_last3_rect.y);
 220
 221     if (vert_dist >= horiz_dist)
 222     {
 223         if (win_rect.y < m_last3_rect.y)
 224             dir = wxNORTH;
 225         else
 226             dir = wxSOUTH;
 227     }
 228     else
 229     {
 230         if (win_rect.x < m_last3_rect.x)
 231             dir = wxWEST;
 232         else
 233             dir = wxEAST;
 234     }
 235
 236     m_last3_rect = m_last2_rect;
 237     m_last2_rect = m_last_rect;
 238     m_last_rect = win_rect;
 239
 240     if (!isMouseDown())
 241         return;
 242
 243     if (!m_moving)
 244     {
 245         OnMoveStart();
 246         m_moving = true;
 247     }
 248
 249     if (m_last3_rect.IsEmpty())
 250         return;
 251
 252     OnMoving(event.GetRect(), dir);
 253 }
 254
 255 void wxAuiFloatingFrame::OnIdle(wxIdleEvent& event)
 256 {
 257     if (m_moving)
 258     {
 259         if (!isMouseDown())
 260         {
 261             m_moving = false;
 262             OnMoveFinished();
 263         }
 264         else
 265         {
 266             event.RequestMore();
 267         }
 268     }
 269 }
 270
 271 void wxAuiFloatingFrame::OnMoveStart()
 272 {
 273     // notify the owner manager that the pane has started to move
 274     m_owner_mgr->OnFloatingPaneMoveStart(m_pane_window);
 275 }
 276
 277 void wxAuiFloatingFrame::OnMoving(const wxRect& WXUNUSED(window_rect), wxDirection dir)
 278 {
 279     // notify the owner manager that the pane is moving
 280     m_owner_mgr->OnFloatingPaneMoving(m_pane_window, dir);
 281     m_lastDirection = dir;
 282 }
 283
 284 void wxAuiFloatingFrame::OnMoveFinished()
 285 {
 286     // notify the owner manager that the pane has finished moving
 287     m_owner_mgr->OnFloatingPaneMoved(m_pane_window, m_lastDirection);
 288 }
 289
 290 void wxAuiFloatingFrame::OnActivate(wxActivateEvent& event)
 291 {
 292     if (event.GetActive())
 293     {
 294         m_owner_mgr->OnFloatingPaneActivated(m_pane_window);
 295     }
 296 }
 297
 298 // utility function which determines the state of the mouse button
 299 // (independant of having a wxMouseEvent handy) - utimately a better
 300 // mechanism for this should be found (possibly by adding the
 301 // functionality to wxWidgets itself)
 302 bool wxAuiFloatingFrame::isMouseDown()
 303 {
 304     return wxGetMouseState().LeftDown();
 305 }
 306
 307
 308 BEGIN_EVENT_TABLE(wxAuiFloatingFrame, wxAuiFloatingFrameBaseClass)
 309     EVT_SIZE(wxAuiFloatingFrame::OnSize)
 310     EVT_MOVE(wxAuiFloatingFrame::OnMoveEvent)
 311     EVT_MOVING(wxAuiFloatingFrame::OnMoveEvent)
 312     EVT_CLOSE(wxAuiFloatingFrame::OnClose)
 313     EVT_IDLE(wxAuiFloatingFrame::OnIdle)
 314     EVT_ACTIVATE(wxAuiFloatingFrame::OnActivate)
 315 END_EVENT_TABLE()
 316
 317
 318 #endif // wxUSE_AUI