X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3c679789bdbc8b42b7b71828b0f02f97614ee574..1d37e644007e676b82e75426daa1d5118bb76780:/src/generic/sashwin.cpp diff --git a/src/generic/sashwin.cpp b/src/generic/sashwin.cpp index bb03e90044..9b9b7a1156 100644 --- a/src/generic/sashwin.cpp +++ b/src/generic/sashwin.cpp @@ -8,7 +8,7 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -26,6 +26,10 @@ #include "wx/wx.h" #endif +#if !wxUSE_SASH + #error "Thisfile requires wxUSE_SASH to be defined." +#endif // wxUSE_SASH + #include #include @@ -118,13 +122,13 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) SetCursor(wxCursor()); #endif - if (event.LeftDown()) - { + if (event.LeftDown()) + { if ( sashHit != wxSASH_NONE ) { CaptureMouse(); - // Required for X to specify that + // Required for X to specify that // that we wish to draw on top of all windows // - and we optimise by specifying the area // for creating the overlap window. @@ -146,7 +150,7 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) m_firstX = x; m_firstY = y; } - } + } else if ( event.LeftUp() && m_dragMode == wxSASH_DRAG_LEFT_DOWN ) { // Wasn't a proper drag @@ -155,11 +159,11 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) m_dragMode = wxSASH_DRAG_NONE; m_draggingEdge = wxSASH_NONE; } - else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING) - { + else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING) + { // We can stop dragging now and see what we've got. m_dragMode = wxSASH_DRAG_NONE; - ReleaseMouse(); + ReleaseMouse(); // Erase old tracker DrawSashTracker(m_draggingEdge, m_oldX, m_oldY); @@ -168,96 +172,142 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) wxScreenDC::EndDrawingOnTop(); int w, h; - GetSize(&w, &h); + GetSize(&w, &h); int xp, yp; - GetPosition(&xp, &yp); + GetPosition(&xp, &yp); wxSashEdgePosition edge = m_draggingEdge; m_draggingEdge = wxSASH_NONE; wxRect dragRect; wxSashDragStatus status = wxSASH_STATUS_OK; + + // the new height and width of the window - if -1, it didn't change + int newHeight = -1, + newWidth = -1; + + // NB: x and y may be negative and they're relative to the sash window + // upper left corner, while xp and yp are expressed in the parent + // window system of coordinates, so adjust them! After this + // adjustment, all coordinates are relative to the parent window. + y += yp; + x += xp; + switch (edge) { case wxSASH_TOP: - { - if (y > (yp + h)) + if ( y > yp + h ) + { + // top sash shouldn't get below the bottom one status = wxSASH_STATUS_OUT_OF_RANGE; - int newHeight = (h - y); - newHeight=wxMax(newHeight,m_minimumPaneSizeY); - newHeight=wxMin(newHeight,m_maximumPaneSizeY); - dragRect = wxRect(xp, (yp + h) - newHeight, w, newHeight); + } + else + { + newHeight = h - (y - yp); + } break; - } + case wxSASH_BOTTOM: - { - if (y < 0) + if ( y < yp ) + { + // bottom sash shouldn't get above the top one status = wxSASH_STATUS_OUT_OF_RANGE; - int newHeight = y; - newHeight=wxMax(newHeight,m_minimumPaneSizeY); - newHeight=wxMin(newHeight,m_maximumPaneSizeY); - dragRect = wxRect(xp, yp, w, newHeight); + } + else + { + newHeight = y - yp; + } break; - } + case wxSASH_LEFT: - { - if (x > (xp + w)) + if ( x > xp + w ) + { + // left sash shouldn't get beyond the right one status = wxSASH_STATUS_OUT_OF_RANGE; - int newWidth = (w - x); - newWidth=wxMax(newWidth,m_minimumPaneSizeX); - newWidth=wxMin(newWidth,m_maximumPaneSizeX); - dragRect = wxRect((xp + w) - newWidth, yp, newWidth, h); + } + else + { + newWidth = w - (x - xp); + } break; - } + case wxSASH_RIGHT: - { - if (x < 0) + if ( x < xp ) + { + // and the right sash, finally, shouldn't be beyond the + // left one status = wxSASH_STATUS_OUT_OF_RANGE; - int newWidth = x; - newWidth=wxMax(newWidth,m_minimumPaneSizeX); - newWidth=wxMin(newWidth,m_maximumPaneSizeX); - dragRect = wxRect(xp, yp, newWidth, h); + } + else + { + newWidth = x - xp; + } break; - } - case wxSASH_NONE: - { - break; - } + + case wxSASH_NONE: + // can this happen at all? + break; + } + + if ( newHeight == -1 ) + { + // didn't change + newHeight = h; + } + else + { + // make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range + newHeight = wxMax(newHeight, m_minimumPaneSizeY); + newHeight = wxMin(newHeight, m_maximumPaneSizeY); } + if ( newWidth == -1 ) + { + // didn't change + newWidth = w; + } + else + { + // make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range + newWidth = wxMax(newWidth, m_minimumPaneSizeX); + newWidth = wxMin(newWidth, m_maximumPaneSizeX); + } + + dragRect = wxRect(x, y, newWidth, newHeight); + wxSashEvent event(GetId(), edge); event.SetEventObject(this); event.SetDragStatus(status); event.SetDragRect(dragRect); GetEventHandler()->ProcessEvent(event); - } - else if (event.Moving() && !event.Dragging()) - { + } + else if (event.Moving() && !event.Dragging()) + { // Just change the cursor if required if ( sashHit != wxSASH_NONE ) { - if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) ) - { - SetCursor(*m_sashCursorWE); - } - else - { - SetCursor(*m_sashCursorNS); - } + if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) ) + { + SetCursor(*m_sashCursorWE); + } + else + { + SetCursor(*m_sashCursorNS); + } + } + } + else if ( event.Dragging() && + ((m_dragMode == wxSASH_DRAG_DRAGGING) || + (m_dragMode == wxSASH_DRAG_LEFT_DOWN)) ) + { + if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) ) + { + SetCursor(*m_sashCursorWE); + } + else + { + SetCursor(*m_sashCursorNS); } - } - else if ( event.Dragging() && - ((m_dragMode == wxSASH_DRAG_DRAGGING) || (m_dragMode == wxSASH_DRAG_LEFT_DOWN)) - ) - { - if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) ) - { - SetCursor(*m_sashCursorWE); - } - else - { - SetCursor(*m_sashCursorNS); - } if (m_dragMode == wxSASH_DRAG_LEFT_DOWN) { @@ -266,18 +316,18 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) } else { - if ( m_dragMode == wxSASH_DRAG_DRAGGING ) - { - // Erase old tracker - DrawSashTracker(m_draggingEdge, m_oldX, m_oldY); + if ( m_dragMode == wxSASH_DRAG_DRAGGING ) + { + // Erase old tracker + DrawSashTracker(m_draggingEdge, m_oldX, m_oldY); - // Draw new one - DrawSashTracker(m_draggingEdge, x, y); - } + // Draw new one + DrawSashTracker(m_draggingEdge, x, y); + } } m_oldX = x; m_oldY = y; - } + } else if ( event.LeftDClick() ) { // Nothing