X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6e50d0eb2f6f9f7bbdd3ab2d15c5b36d585546c4..9572bf1d442006beba3528dc00c3fc05eb523c24:/src/common/layout.cpp diff --git a/src/common/layout.cpp b/src/common/layout.cpp index 8dbb8ea8dc..d479f3476e 100644 --- a/src/common/layout.cpp +++ b/src/common/layout.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: layout.cpp +// Name: src/common/layout.cpp // Purpose: Constraint layout system classes // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================= @@ -17,35 +17,53 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "layout.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ - #pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_CONSTRAINTS + +#include "wx/layout.h" + #ifndef WX_PRECOMP - #include "wx/defs.h" + #include "wx/window.h" + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/msgdlg.h" + #include "wx/intl.h" #endif -#if wxUSE_CONSTRAINTS -#ifndef WX_PRECOMP - #include "wx/window.h" - #include "wx/utils.h" - #include "wx/dialog.h" - #include "wx/msgdlg.h" - #include "wx/intl.h" +IMPLEMENT_DYNAMIC_CLASS(wxIndividualLayoutConstraint, wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxLayoutConstraints, wxObject) + + +inline void wxGetAsIs(wxWindowBase* win, int* w, int* h) +{ +#if 1 + // The old way. Works for me. + win->GetSize(w, h); #endif -#include "wx/layout.h" +#if 0 + // Vadim's change. Breaks wxPython's LayoutAnchors + win->GetBestSize(w, h); +#endif - IMPLEMENT_DYNAMIC_CLASS(wxIndividualLayoutConstraint, wxObject) - IMPLEMENT_DYNAMIC_CLASS(wxLayoutConstraints, wxObject) +#if 0 + // Proposed compromise. Doesn't work. + int sw, sh, bw, bh; + win->GetSize(&sw, &sh); + win->GetBestSize(&bw, &bh); + if (w) + *w = wxMax(sw, bw); + if (h) + *h = wxMax(sh, bh); +#endif +} wxIndividualLayoutConstraint::wxIndividualLayoutConstraint() @@ -56,16 +74,20 @@ wxIndividualLayoutConstraint::wxIndividualLayoutConstraint() value = 0; percent = 0; otherEdge = wxTop; - done = FALSE; - otherWin = (wxWindowBase *) NULL; -} - -wxIndividualLayoutConstraint::~wxIndividualLayoutConstraint() -{ + done = false; + otherWin = NULL; } void wxIndividualLayoutConstraint::Set(wxRelationship rel, wxWindowBase *otherW, wxEdge otherE, int val, int marg) { + if (rel == wxSameAs) + { + // If Set is called by the user with wxSameAs then call SameAs to do + // it since it will actually use wxPercent instead. + SameAs(otherW, otherE, marg); + return; + } + relationship = rel; otherWin = otherW; otherEdge = otherE; @@ -106,13 +128,13 @@ void wxIndividualLayoutConstraint::Below(wxWindowBase *sibling, int marg) // 'Same edge' alignment // void wxIndividualLayoutConstraint::SameAs(wxWindowBase *otherW, wxEdge edge, int marg) -{ +{ Set(wxPercentOf, otherW, edge, 100, marg); } // The edge is a percentage of the other window's edge void wxIndividualLayoutConstraint::PercentOf(wxWindowBase *otherW, wxEdge wh, int per) -{ +{ Set(wxPercentOf, otherW, wh, per); } @@ -136,11 +158,11 @@ bool wxIndividualLayoutConstraint::ResetIfWin(wxWindowBase *otherW) value = 0; percent = 0; otherEdge = wxTop; - otherWin = (wxWindowBase *) NULL; - return TRUE; + otherWin = NULL; + return true; } - return FALSE; + return false; } // Try to satisfy constraint @@ -148,8 +170,8 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr { if (relationship == wxAbsolute) { - done = TRUE; - return TRUE; + done = true; + return true; } switch (myEdge) @@ -167,11 +189,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos - margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxRightOf: { @@ -179,11 +201,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos + margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxPercentOf: { @@ -191,11 +213,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxUnconstrained: { @@ -205,24 +227,24 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->right.GetDone() && constraints->width.GetDone()) { value = (constraints->right.GetValue() - constraints->width.GetValue() + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->centreX.GetDone() && constraints->width.GetDone()) { value = (int)(constraints->centreX.GetValue() - (constraints->width.GetValue()/2) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxAsIs: { int y; win->GetPosition(&value, &y); - done = TRUE; - return TRUE; + done = true; + return true; } default: break; @@ -242,11 +264,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos - margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxRightOf: { @@ -254,11 +276,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos + margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxPercentOf: { @@ -266,11 +288,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01) - margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxUnconstrained: { @@ -280,27 +302,27 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->left.GetDone() && constraints->width.GetDone()) { value = (constraints->left.GetValue() + constraints->width.GetValue() - margin); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->centreX.GetDone() && constraints->width.GetDone()) { value = (int)(constraints->centreX.GetValue() + (constraints->width.GetValue()/2) - margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxAsIs: { int x, y; int w, h; - win->GetSize(&w, &h); + wxGetAsIs(win, &w, &h); win->GetPosition(&x, &y); value = x + w; - done = TRUE; - return TRUE; + done = true; + return true; } default: break; @@ -320,11 +342,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos - margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxBelow: { @@ -332,11 +354,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos + margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxPercentOf: { @@ -344,11 +366,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxUnconstrained: { @@ -358,24 +380,24 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->bottom.GetDone() && constraints->height.GetDone()) { value = (constraints->bottom.GetValue() - constraints->height.GetValue() + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->centreY.GetDone() && constraints->height.GetDone()) { value = (constraints->centreY.GetValue() - (constraints->height.GetValue()/2) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxAsIs: { int x; win->GetPosition(&x, &value); - done = TRUE; - return TRUE; + done = true; + return true; } default: break; @@ -395,11 +417,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos + margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxBelow: { @@ -407,11 +429,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos - margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxPercentOf: { @@ -419,11 +441,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01) - margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxUnconstrained: { @@ -433,27 +455,27 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->top.GetDone() && constraints->height.GetDone()) { value = (constraints->top.GetValue() + constraints->height.GetValue() - margin); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->centreY.GetDone() && constraints->height.GetDone()) { value = (constraints->centreY.GetValue() + (constraints->height.GetValue()/2) - margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxAsIs: { int x, y; int w, h; - win->GetSize(&w, &h); + wxGetAsIs(win, &w, &h); win->GetPosition(&x, &y); value = h + y; - done = TRUE; - return TRUE; + done = true; + return true; } default: break; @@ -473,11 +495,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos - margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxRightOf: { @@ -485,11 +507,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos + margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxPercentOf: { @@ -497,11 +519,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxUnconstrained: { @@ -511,17 +533,17 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->left.GetDone() && constraints->width.GetDone()) { value = (int)(constraints->left.GetValue() + (constraints->width.GetValue()/2) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->right.GetDone() && constraints->width.GetDone()) { value = (int)(constraints->left.GetValue() - (constraints->width.GetValue()/2) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } default: break; @@ -541,11 +563,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos - margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxBelow: { @@ -553,11 +575,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = edgePos + margin; - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxPercentOf: { @@ -565,11 +587,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxUnconstrained: { @@ -579,17 +601,17 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->bottom.GetDone() && constraints->height.GetDone()) { value = (int)(constraints->bottom.GetValue() - (constraints->height.GetValue()/2) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->top.GetDone() && constraints->height.GetDone()) { value = (int)(constraints->top.GetValue() + (constraints->height.GetValue()/2) + margin); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } default: break; @@ -606,22 +628,22 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01)); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxAsIs: { if (win) { int h; - win->GetSize(&value, &h); - done = TRUE; - return TRUE; + wxGetAsIs(win, &value, &h); + done = true; + return true; } - else return FALSE; + else return false; } case wxUnconstrained: { @@ -631,23 +653,23 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->left.GetDone() && constraints->right.GetDone()) { value = constraints->right.GetValue() - constraints->left.GetValue(); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->centreX.GetDone() && constraints->left.GetDone()) { value = (int)(2*(constraints->centreX.GetValue() - constraints->left.GetValue())); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->centreX.GetDone() && constraints->right.GetDone()) { value = (int)(2*(constraints->right.GetValue() - constraints->centreX.GetValue())); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } default: break; @@ -664,22 +686,22 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (edgePos != -1) { value = (int)(edgePos*(((float)percent)*0.01)); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } case wxAsIs: { if (win) { int w; - win->GetSize(&w, &value); - done = TRUE; - return TRUE; + wxGetAsIs(win, &w, &value); + done = true; + return true; } - else return FALSE; + else return false; } case wxUnconstrained: { @@ -689,23 +711,23 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr if (constraints->top.GetDone() && constraints->bottom.GetDone()) { value = constraints->bottom.GetValue() - constraints->top.GetValue(); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->top.GetDone() && constraints->centreY.GetDone()) { value = (int)(2*(constraints->centreY.GetValue() - constraints->top.GetValue())); - done = TRUE; - return TRUE; + done = true; + return true; } else if (constraints->bottom.GetDone() && constraints->centreY.GetDone()) { value = (int)(2*(constraints->bottom.GetValue() - constraints->centreY.GetValue())); - done = TRUE; - return TRUE; + done = true; + return true; } else - return FALSE; + return false; } default: break; @@ -715,7 +737,7 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr default: break; } - return FALSE; + return false; } // Get the value of this edge or dimension, or if this is not determinable, -1. @@ -726,7 +748,7 @@ int wxIndividualLayoutConstraint::GetEdge(wxEdge which, // If the edge or dimension belongs to the parent, then we know the // dimension is obtainable immediately. E.g. a wxExpandSizer may contain a // button (but the button's true parent is a panel, not the sizer) - if (other->GetChildren().Find(thisWin)) + if (other->GetChildren().Find((wxWindow*)thisWin)) { switch (which) { @@ -952,51 +974,47 @@ wxLayoutConstraints::wxLayoutConstraints() height.SetEdge(wxHeight); } -wxLayoutConstraints::~wxLayoutConstraints() -{ -} - bool wxLayoutConstraints::SatisfyConstraints(wxWindowBase *win, int *nChanges) { int noChanges = 0; bool done = width.GetDone(); - bool newDone = (done ? TRUE : width.SatisfyConstraint(this, win)); + bool newDone = (done ? true : width.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = height.GetDone(); - newDone = (done ? TRUE : height.SatisfyConstraint(this, win)); + newDone = (done ? true : height.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = left.GetDone(); - newDone = (done ? TRUE : left.SatisfyConstraint(this, win)); + newDone = (done ? true : left.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = top.GetDone(); - newDone = (done ? TRUE : top.SatisfyConstraint(this, win)); + newDone = (done ? true : top.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = right.GetDone(); - newDone = (done ? TRUE : right.SatisfyConstraint(this, win)); + newDone = (done ? true : right.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = bottom.GetDone(); - newDone = (done ? TRUE : bottom.SatisfyConstraint(this, win)); + newDone = (done ? true : bottom.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = centreX.GetDone(); - newDone = (done ? TRUE : centreX.SatisfyConstraint(this, win)); + newDone = (done ? true : centreX.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; done = centreY.GetDone(); - newDone = (done ? TRUE : centreY.SatisfyConstraint(this, win)); + newDone = (done ? true : centreY.SatisfyConstraint(this, win)); if (newDone != done) noChanges ++; @@ -1005,134 +1023,4 @@ bool wxLayoutConstraints::SatisfyConstraints(wxWindowBase *win, int *nChanges) return AreSatisfied(); } -/* - * Main constrained layout algorithm. Look at all the child - * windows, and their constraints (if any). - * The idea is to keep iterating through the constraints - * until all left, right, bottom and top edges, and widths and heights, - * are known (or no change occurs and we've failed to resolve all - * constraints). - * - * If the user has not specified a dimension or edge, it will be - * be calculated from the other known values. E.g. If we know - * the right hand edge and the left hand edge, we now know the width. - * The snag here is that this means we must specify absolute dimensions - * twice (in constructor and in constraint), if we wish to use the - * constraint notation to just set the position, for example. - * Otherwise, if we only set ONE edge and no dimension, it would never - * find the other edge. - * - * Algorithm: - - Mark all constraints as not done. - - iterations = 0; - until no change or iterations >= max iterations - For each child: - { - Calculate all constraints - } - iterations ++; - - For each child - Set each calculated position and size - - */ - -#if WXWIN_COMPATIBILITY -bool wxOldDoLayout(wxWindowBase *win) -{ - // Make sure this isn't called recursively from below - static wxList doneSoFar; - - if (doneSoFar.Member(win)) - return TRUE; - - doneSoFar.Append(win); - - wxNode *node = win->GetChildren().First(); - while (node) - { - wxWindowBase *child = (wxWindowBase *)node->Data(); - wxLayoutConstraints *constr = child->GetConstraints(); - if (constr) - { - constr->left.SetDone(FALSE); - constr->top.SetDone(FALSE); - constr->right.SetDone(FALSE); - constr->bottom.SetDone(FALSE); - constr->width.SetDone(FALSE); - constr->height.SetDone(FALSE); - constr->centreX.SetDone(FALSE); - constr->centreY.SetDone(FALSE); - } - node = node->Next(); - } - int noIterations = 0; - int maxIterations = 500; - int noChanges = 1; - - while ((noChanges > 0) && (noIterations < maxIterations)) - { - noChanges = 0; - wxNode *node = win->GetChildren().First(); - while (node) - { - wxWindowBase *child = (wxWindowBase *)node->Data(); - wxLayoutConstraints *constr = child->GetConstraints(); - if (constr) - { - int tempNoChanges = 0; - (void)constr->SatisfyConstraints(child, &tempNoChanges); - noChanges += tempNoChanges; - } - node = node->Next(); - } - noIterations ++; - } -/* - // Would be nice to have a test here to see _which_ constraint(s) - // failed, so we can print a specific diagnostic message. - if (noFailures > 0) - { - wxDebugMsg(_("wxWindowBase::Layout() failed.\n")); - } -*/ - // Now set the sizes and positions of the children, and - // recursively call Layout(). - node = win->GetChildren().First(); - while (node) - { - wxWindowBase *child = (wxWindowBase *)node->Data(); - wxLayoutConstraints *constr = child->GetConstraints(); - if (constr && constr->left.GetDone() && constr->right.GetDone() && - constr->width.GetDone() && constr->height.GetDone()) - { - int x = constr->left.GetValue(); - int y = constr->top.GetValue(); - int w = constr->width.GetValue(); - int h = constr->height.GetValue(); - - // If we don't want to resize this window, just move it... - if ((constr->width.GetRelationship() != wxAsIs) || - (constr->height.GetRelationship() != wxAsIs)) - { - // _Should_ call Layout() recursively. - child->SetSize(x, y, w, h); - } - else - { - child->Move(x, y); - } - } - else - child->Layout(); - node = node->Next(); - } - doneSoFar.DeleteObject(win); - - return TRUE; -} -#endif // WXWIN_COMPATIBILITY - #endif // wxUSE_CONSTRAINTS