// Name: layout.cpp
// Purpose: Layout sample
// Author: Julian Smart
-// Modified by:
+// Modified by: Robin Dunn, Vadim Zeitlin
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) 1998 Julian Smart
+// 2005 Vadim Zeitlin
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#include "wx/wx.h"
#endif
-#if !wxUSE_CONSTRAINTS
-#error You must set wxUSE_CONSTRAINTS to 1 in setup.h!
-#endif
-
-#include <ctype.h>
-
#include "wx/sizer.h"
+#include "wx/gbsizer.h"
#include "wx/statline.h"
#include "wx/notebook.h"
+#include "wx/spinctrl.h"
+#include "wx/wrapsizer.h"
+#include "wx/generic/stattextg.h"
#include "layout.h"
-// Declare two frames
-MyFrame *frame = (MyFrame *) NULL;
-wxMenuBar *menu_bar = (wxMenuBar *) NULL;
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+ #include "../sample.xpm"
+#endif
-IMPLEMENT_APP(MyApp)
-MyApp::MyApp()
-{
-}
+// ----------------------------------------------------------------------------
+// MyApp
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_APP(MyApp)
bool MyApp::OnInit()
{
- // Create the main frame window
- frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500);
+ if ( !wxApp::OnInit() )
+ return false;
- frame->SetAutoLayout(TRUE);
+ // Create the main frame window
+ MyFrame *frame = new MyFrame;
- // Give it a status line
- frame->CreateStatusBar(2);
+ frame->Show(true);
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
+ return true;
+}
- file_menu->Append(LAYOUT_LOAD_FILE, "&Load file", "Load a text file");
- file_menu->Append(LAYOUT_TEST_SIZER, "&Test sizers", "Test sizer");
- file_menu->Append(LAYOUT_TEST_NB, "&Test notebook sizers", "Test notebook sizer");
+// ----------------------------------------------------------------------------
+// MyFrame
+// ----------------------------------------------------------------------------
- file_menu->AppendSeparator();
- file_menu->Append(LAYOUT_QUIT, "E&xit", "Quit program");
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout)
+ EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit)
+
+ EVT_MENU(LAYOUT_TEST_PROPORTIONS, MyFrame::TestProportions)
+ EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestFlexSizers)
+ EVT_MENU(LAYOUT_TEST_NB_SIZER, MyFrame::TestNotebookSizers)
+ EVT_MENU(LAYOUT_TEST_GB_SIZER, MyFrame::TestGridBagSizer)
+ EVT_MENU(LAYOUT_TEST_SET_MINIMAL, MyFrame::TestSetMinimal)
+ EVT_MENU(LAYOUT_TEST_NESTED, MyFrame::TestNested)
+ EVT_MENU(LAYOUT_TEST_WRAP, MyFrame::TestWrap)
+END_EVENT_TABLE()
- wxMenu *help_menu = new wxMenu;
- help_menu->Append(LAYOUT_ABOUT, "&About", "About layout demo");
+// Define my frame constructor
+MyFrame::MyFrame()
+ : wxFrame(NULL, wxID_ANY, wxT("wxWidgets Layout Demo"))
+{
+ SetIcon(wxICON(sample));
- menu_bar = new wxMenuBar;
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
- menu_bar->Append(file_menu, "&File");
- menu_bar->Append(help_menu, "&Help");
+ file_menu->Append(LAYOUT_TEST_PROPORTIONS, wxT("&Proportions demo...\tF1"));
+ file_menu->Append(LAYOUT_TEST_SIZER, wxT("Test wx&FlexSizer...\tF2"));
+ file_menu->Append(LAYOUT_TEST_NB_SIZER, wxT("Test ¬ebook sizers...\tF3"));
+ file_menu->Append(LAYOUT_TEST_GB_SIZER, wxT("Test &gridbag sizer...\tF4"));
+ file_menu->Append(LAYOUT_TEST_SET_MINIMAL, wxT("Test Set&ItemMinSize...\tF5"));
+ file_menu->Append(LAYOUT_TEST_NESTED, wxT("Test nested sizer in a wxPanel...\tF6"));
+ file_menu->Append(LAYOUT_TEST_WRAP, wxT("Test wrap sizers...\tF7"));
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
+ file_menu->AppendSeparator();
+ file_menu->Append(LAYOUT_QUIT, wxT("E&xit"), wxT("Quit program"));
- // Make a panel
- frame->panel = new wxPanel(frame, 0, 0, 1000, 500, wxTAB_TRAVERSAL);
- frame->panel->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-// frame->panel->SetAutoLayout(TRUE);
+ wxMenu *help_menu = new wxMenu;
+ help_menu->Append(LAYOUT_ABOUT, wxT("&About"), wxT("About layout demo..."));
- // Create some panel items
- wxButton *btn1 = new wxButton(frame->panel, -1, "A button (1)") ;
+ wxMenuBar *menu_bar = new wxMenuBar;
- wxLayoutConstraints *b1 = new wxLayoutConstraints;
- b1->centreX.SameAs (frame->panel, wxCentreX);
- b1->top.SameAs (frame->panel, wxTop, 5);
- b1->width.PercentOf (frame->panel, wxWidth, 80);
- b1->height.PercentOf (frame->panel, wxHeight, 10);
- btn1->SetConstraints(b1);
+ menu_bar->Append(file_menu, wxT("&File"));
+ menu_bar->Append(help_menu, wxT("&Help"));
- wxListBox *list = new wxListBox(frame->panel, -1,
- wxPoint(-1, -1), wxSize(200, 100));
- list->Append("Apple");
- list->Append("Pear");
- list->Append("Orange");
- list->Append("Banana");
- list->Append("Fruit");
+ // Associate the menu bar with the frame
+ SetMenuBar(menu_bar);
- wxLayoutConstraints *b2 = new wxLayoutConstraints;
- b2->top.Below (btn1, 5);
- b2->left.SameAs (frame->panel, wxLeft, 5);
- b2->width.PercentOf (frame->panel, wxWidth, 40);
- b2->bottom.SameAs (frame->panel, wxBottom, 5);
- list->SetConstraints(b2);
+#if wxUSE_STATUSBAR
+ CreateStatusBar(2);
+ SetStatusText(wxT("wxWidgets layout demo"));
+#endif // wxUSE_STATUSBAR
- wxTextCtrl *mtext = new wxTextCtrl(frame->panel, -1, "Some text",
- wxPoint(-1, -1), wxSize(150, 100));
+ wxPanel* p = new wxPanel(this, wxID_ANY);
- wxLayoutConstraints *b3 = new wxLayoutConstraints;
- b3->top.Below (btn1, 5);
- b3->left.RightOf (list, 5);
- b3->right.SameAs (frame->panel, wxRight, 5);
- b3->bottom.SameAs (frame->panel, wxBottom, 5);
- mtext->SetConstraints(b3);
+ // we want to get a dialog that is stretchable because it
+ // has a text ctrl in the middle. at the bottom, we have
+ // two buttons which.
- frame->canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED);
+ wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
- // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
-// canvas->SetScrollbars(20, 20, 50, 50, 4, 4);
+ // 1) top: create wxStaticText with minimum size equal to its default size
+ topsizer->Add(
+ new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_RIGHT).") ),
+ wxSizerFlags().Align(wxALIGN_RIGHT).Border(wxALL & ~wxBOTTOM, 5));
+ topsizer->Add(
+ new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_LEFT).") ),
+ wxSizerFlags().Align(wxALIGN_LEFT).Border(wxALL & ~wxBOTTOM, 5));
+ topsizer->Add(
+ new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_CENTRE_HORIZONTAL).") ),
+ wxSizerFlags().Align(wxALIGN_CENTRE_HORIZONTAL).Border(wxALL & ~wxBOTTOM, 5));
+
+ // 2) top: create wxTextCtrl with minimum size (100x60)
+ topsizer->Add(
+ new wxTextCtrl( p, wxID_ANY, wxT("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
+ wxSizerFlags(1).Expand().Border(wxALL, 5));
+
+ // 2.5) Gratuitous test of wxStaticBoxSizers
+ wxBoxSizer *statsizer = new wxStaticBoxSizer(
+ new wxStaticBox(p, wxID_ANY, wxT("A wxStaticBoxSizer")), wxVERTICAL );
+ statsizer->Add(
+ new wxStaticText(p, wxID_ANY, wxT("And some TEXT inside it")),
+ wxSizerFlags().Border(wxALL, 30));
+ topsizer->Add(
+ statsizer,
+ wxSizerFlags(1).Expand().Border(wxALL, 10));
- // Make a text window
- frame->text_window = new MyTextWindow(frame, 0, 250, 400, 250);
+ // 2.7) And a test of wxGridSizer
+ wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
+ gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Label")),
+ wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
+ gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("Grid sizer demo")),
+ wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
+ gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Another label")),
+ wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
+ gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("More text")),
+ wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
+ gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Final label")),
+ wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
+ gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("And yet more text")),
+ wxSizerFlags().Align(wxGROW | wxALIGN_CENTER_VERTICAL));
+ topsizer->Add(
+ gridsizer,
+ wxSizerFlags().Proportion(1).Expand().Border(wxALL, 10));
+
+
+#if wxUSE_STATLINE
+ // 3) middle: create wxStaticLine with minimum size (3x3)
+ topsizer->Add(
+ new wxStaticLine( p, wxID_ANY, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
+ wxSizerFlags().Expand());
+#endif // wxUSE_STATLINE
+
+
+ // 4) bottom: create two centred wxButtons
+ wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
+ button_box->Add(
+ new wxButton( p, wxID_ANY, wxT("Two buttons in a box") ),
+ wxSizerFlags().Border(wxALL, 7));
+ button_box->Add(
+ new wxButton( p, wxID_ANY, wxT("(wxCENTER)") ),
+ wxSizerFlags().Border(wxALL, 7));
+
+ topsizer->Add(button_box, wxSizerFlags().Center());
+
+ p->SetSizer( topsizer );
+
+ // don't allow frame to get smaller than what the sizers tell it and also set
+ // the initial size as calculated by the sizers
+ topsizer->SetSizeHints( this );
+}
- // Set constraints for panel subwindow
- wxLayoutConstraints *c1 = new wxLayoutConstraints;
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+ Close(true);
+}
- c1->left.SameAs (frame, wxLeft);
- c1->top.SameAs (frame, wxTop);
- c1->right.PercentOf (frame, wxWidth, 50);
- c1->height.PercentOf (frame, wxHeight, 50);
+void MyFrame::TestProportions(wxCommandEvent& WXUNUSED(event))
+{
+ (new MyProportionsFrame(this))->Show();
+}
- frame->panel->SetConstraints(c1);
+void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
+{
+ (new MyFlexSizerFrame(this))->Show();
+}
- // Set constraints for canvas subwindow
- wxLayoutConstraints *c2 = new wxLayoutConstraints;
+void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
+{
+ MySizerDialog dialog( this, wxT("Notebook Sizer Test Dialog") );
- c2->left.SameAs (frame->panel, wxRight);
- c2->top.SameAs (frame, wxTop);
- c2->right.SameAs (frame, wxRight);
- c2->height.PercentOf (frame, wxHeight, 50);
+ dialog.ShowModal();
+}
- frame->canvas->SetConstraints(c2);
+void MyFrame::TestSetMinimal(wxCommandEvent& WXUNUSED(event) )
+{
+ (new MySimpleSizerFrame(this))->Show();
+}
- // Set constraints for text subwindow
- wxLayoutConstraints *c3 = new wxLayoutConstraints;
- c3->left.SameAs (frame, wxLeft);
- c3->top.Below (frame->panel);
- c3->right.SameAs (frame, wxRight);
- c3->bottom.SameAs (frame, wxBottom);
+void MyFrame::TestNested(wxCommandEvent& WXUNUSED(event) )
+{
+ (new MyNestedSizerFrame(this))->Show();
+}
- frame->text_window->SetConstraints(c3);
+void MyFrame::TestWrap(wxCommandEvent& WXUNUSED(event) )
+{
+ (new MyWrapSizerFrame(this))->Show();
+}
- frame->Show(TRUE);
- frame->SetStatusText("wxWindows layout demo");
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
+{
+ (void)wxMessageBox(wxT("wxWidgets GUI library layout demo\n"),
+ wxT("About Layout Demo"), wxOK|wxICON_INFORMATION);
+}
- SetTopWindow(frame);
- return TRUE;
+void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
+{
+ (new MyGridBagSizerFrame(this))->Show();
}
-//-----------------------------------------------------------------
-// MyFrame
-//-----------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// MyProportionsFrame
+// ----------------------------------------------------------------------------
-// Define my frame constructor
-MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
- wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
+MyProportionsFrame::MyProportionsFrame(wxFrame *parent)
+ : wxFrame(parent, wxID_ANY, wxT("Box Sizer Proportions Demo"))
{
- panel = (wxPanel *) NULL;
- text_window = (MyTextWindow *) NULL;
- canvas = (MyWindow *) NULL;
+ size_t n;
+
+ // create the controls
+ wxPanel *panel = new wxPanel(this, wxID_ANY);
+ for ( n = 0; n < WXSIZEOF(m_spins); n++ )
+ {
+ m_spins[n] = new wxSpinCtrl(panel);
+ m_spins[n]->SetValue(n);
+ }
+
+ // lay them out
+ m_sizer = new wxStaticBoxSizer(wxHORIZONTAL, panel,
+ wxT("Try changing elements proportions and resizing the window"));
+ for ( n = 0; n < WXSIZEOF(m_spins); n++ )
+ m_sizer->Add(m_spins[n], wxSizerFlags().Border());
+
+ // put everything together
+ panel->SetSizer(m_sizer);
+ wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
+ sizerTop->Add(panel, wxSizerFlags(1).Expand().Border());
+ UpdateProportions();
+ SetSizerAndFit(sizerTop);
+
+ // and connect the events
+ Connect(wxEVT_TEXT,
+ wxCommandEventHandler(MyProportionsFrame::OnProportionUpdated));
+ Connect(wxEVT_SPINCTRL,
+ wxSpinEventHandler(MyProportionsFrame::OnProportionChanged));
}
-BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(LAYOUT_LOAD_FILE, MyFrame::LoadFile)
- EVT_MENU(LAYOUT_QUIT, MyFrame::Quit)
- EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestSizers)
- EVT_MENU(LAYOUT_TEST_NB, MyFrame::TestNotebookSizers)
- EVT_MENU(LAYOUT_ABOUT, MyFrame::About)
- EVT_SIZE(MyFrame::OnSize)
-END_EVENT_TABLE()
+void MyProportionsFrame::UpdateProportions()
+{
+ for ( size_t n = 0; n < WXSIZEOF(m_spins); n++ )
+ {
+ m_sizer->GetItem(n)->SetProportion(m_spins[n]->GetValue());
+ }
-void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
+ m_sizer->Layout();
+}
+
+void MyProportionsFrame::OnProportionUpdated(wxCommandEvent& WXUNUSED(event))
{
- wxString s = wxFileSelector( _T("Load text file"), (const wxChar *) NULL,
- (const wxChar *) NULL, (const wxChar *) NULL, _T("*.txt") );
- if (s != "")
- {
-#ifdef __WXMSW__
- frame->text_window->LoadFile(s);
-#endif
- }
+ UpdateProportions();
}
-void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
+void MyProportionsFrame::OnProportionChanged(wxSpinEvent& WXUNUSED(event))
{
- this->Close(TRUE);
+ UpdateProportions();
}
-void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) )
+// ----------------------------------------------------------------------------
+// MyFlexSizerFrame
+// ----------------------------------------------------------------------------
+
+void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent)
{
- MySizerFrame *newFrame = new MySizerFrame((MyFrame *) NULL, "Sizer Test Frame", 50, 50 );
- newFrame->Show(TRUE);
+ for ( int i = 0; i < 3; i++ )
+ {
+ for ( int j = 0; j < 3; j++ )
+ {
+ wxWindow * const cell = new wxGenericStaticText
+ (
+ parent,
+ wxID_ANY,
+ wxString::Format("(%d, %d)",
+ i + 1, j + 1)
+ );
+ if ( (i + j) % 2 )
+ cell->SetBackgroundColour( *wxLIGHT_GREY );
+ sizer->Add(cell, 0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);
+ }
+ }
}
-void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
+MyFlexSizerFrame::MyFlexSizerFrame(wxFrame* parent)
+ : wxFrame(parent, wxID_ANY, "Flex Sizer Test Frame")
{
- wxDialog dialog( this, -1, wxString("Notebook Sizer Test Dialog") );
+ wxFlexGridSizer *sizerFlex;
+ wxPanel* p = new wxPanel(this, wxID_ANY);
+
+ // consttuct the first column
+ wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);
+ sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableCol(1);
+ sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableRow(1);
+ sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("All growable columns:")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableCol(0, 1);
+ sizerFlex->AddGrowableCol(1, 2);
+ sizerFlex->AddGrowableCol(2, 3);
+ sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ // the second one
+ wxSizer *sizerCol2 = new wxBoxSizer(wxVERTICAL);
+ sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableCol(1);
+ sizerFlex->AddGrowableRow(1);
+ sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableCol(1);
+ sizerFlex->AddGrowableRow(1);
+ sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
+ sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableCol(1);
+ sizerFlex->AddGrowableRow(1);
+ sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
+ sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_NONE);
+ sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
+ sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
+ InitFlexSizer(sizerFlex, p);
+ sizerFlex->AddGrowableCol(1);
+ sizerFlex->AddGrowableRow(1);
+ sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
+ sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_ALL);
+ sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
+
+ // add both columns to grid sizer
+ wxGridSizer *sizerTop = new wxGridSizer(2, 0, 20);
+ sizerTop->Add(sizerCol1, 1, wxEXPAND);
+ sizerTop->Add(sizerCol2, 1, wxEXPAND);
+
+ p->SetSizer(sizerTop);
+ sizerTop->SetSizeHints(this);
+}
+// ----------------------------------------------------------------------------
+// MySizerDialog
+// ----------------------------------------------------------------------------
+
+MySizerDialog::MySizerDialog(wxWindow *parent, const wxString &title)
+ : wxDialog(parent, wxID_ANY, wxString(title))
+{
// Begin with first hierarchy: a notebook at the top and
// and OK button at the bottom.
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
- wxNotebook *notebook = new wxNotebook( &dialog, -1 );
- wxNotebookSizer *nbs = new wxNotebookSizer( notebook );
- topsizer->Add( nbs, 1, wxGROW );
+ wxNotebook *notebook = new wxNotebook( this, wxID_ANY );
+ topsizer->Add( notebook, 1, wxGROW );
- wxButton *button = new wxButton( &dialog, wxID_OK, "OK" );
+ wxButton *button = new wxButton( this, wxID_OK, wxT("OK") );
topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
// First page: one big text ctrl
- wxTextCtrl *multi = new wxTextCtrl( notebook, -1, "TextCtrl.", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
- notebook->AddPage( multi, "Page One" );
+ wxTextCtrl *multi = new wxTextCtrl( notebook, wxID_ANY, wxT("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
+ notebook->AddPage( multi, wxT("Page One") );
// Second page: a text ctrl and a button
- wxPanel *panel = new wxPanel( notebook, -1 );
- notebook->AddPage( panel, "Page Two" );
+ wxPanel *panel = new wxPanel( notebook, wxID_ANY );
+ notebook->AddPage( panel, wxT("Page Two") );
wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
- wxTextCtrl *text = new wxTextCtrl( panel, -1, "TextLine 1.", wxDefaultPosition, wxSize(250,-1) );
+ wxTextCtrl *text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 1."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
- text = new wxTextCtrl( panel, -1, "TextLine 2.", wxDefaultPosition, wxSize(250,-1) );
+ text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 2."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
- wxButton *button2 = new wxButton( panel, -1, "Hallo" );
+ wxButton *button2 = new wxButton( panel, wxID_ANY, wxT("Hallo") );
panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
- panel->SetAutoLayout( TRUE );
panel->SetSizer( panelsizer );
// Tell dialog to use sizer
+ SetSizerAndFit( topsizer );
+}
- dialog.SetAutoLayout( TRUE );
- dialog.SetSizer( topsizer );
- topsizer->Fit( &dialog );
- topsizer->SetSizeHints( &dialog );
+// ----------------------------------------------------------------------------
+// MyGridBagSizerFrame
+// ----------------------------------------------------------------------------
- dialog.ShowModal();
+// some simple macros to help make the sample code below more clear
+#define TEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, wxT(text))
+#define MLTEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, wxT(text), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE)
+#define POS(r, c) wxGBPosition(r,c)
+#define SPAN(r, c) wxGBSpan(r,c)
+
+const wxChar gbsDescription[] =wxT("\
+The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned\n\
+in a virtual cell of the layout grid, and column or row spanning is allowed. For example, this\n\
+static text is positioned at (0,0) and it spans 7 columns.");
+
+
+// Some IDs
+enum {
+ GBS_HIDE_BTN = 1212,
+ GBS_SHOW_BTN,
+ GBS_MOVE_BTN1,
+ GBS_MOVE_BTN2,
+
+ GBS_MAX
+};
+
+
+BEGIN_EVENT_TABLE(MyGridBagSizerFrame, wxFrame)
+ EVT_BUTTON( GBS_HIDE_BTN, MyGridBagSizerFrame::OnHideBtn)
+ EVT_BUTTON( GBS_SHOW_BTN, MyGridBagSizerFrame::OnShowBtn)
+ EVT_BUTTON( GBS_MOVE_BTN1, MyGridBagSizerFrame::OnMoveBtn)
+ EVT_BUTTON( GBS_MOVE_BTN2, MyGridBagSizerFrame::OnMoveBtn)
+END_EVENT_TABLE()
+
+
+MyGridBagSizerFrame::MyGridBagSizerFrame(wxFrame* parent)
+ : wxFrame(parent, wxID_ANY, "wxGridBagSizer Test Frame")
+{
+ wxPanel* p = new wxPanel(this, wxID_ANY);
+ m_panel = p;
+ m_gbs = new wxGridBagSizer();
+
+
+ m_gbs->Add( new wxStaticText(p, wxID_ANY, gbsDescription),
+ POS(0,0), SPAN(1, 7),
+ wxALIGN_CENTER | wxALL, 5);
+
+ m_gbs->Add( TEXTCTRL("pos(1,0)"), POS(1,0) );
+ m_gbs->Add( TEXTCTRL("pos(1,1)"), POS(1,1) );
+ m_gbs->Add( TEXTCTRL("pos(2,0)"), POS(2,0) );
+ m_gbs->Add( TEXTCTRL("pos(2,1)"), POS(2,1) );
+ m_gbs->Add( MLTEXTCTRL("pos(3,2), span(1,2)\nthis row and col are growable"),
+ POS(3,2), SPAN(1,2), wxEXPAND );
+ m_gbs->Add( MLTEXTCTRL("pos(4,3)\nspan(3,1)"),
+ POS(4,3), SPAN(3,1), wxEXPAND );
+ m_gbs->Add( TEXTCTRL("pos(5,4)"), POS(5,4), wxDefaultSpan, wxEXPAND );
+ m_gbs->Add( TEXTCTRL("pos(6,5)"), POS(6,5), wxDefaultSpan, wxEXPAND );
+ m_gbs->Add( TEXTCTRL("pos(7,6)"), POS(7,6) );
+
+ //m_gbs->Add( TEXTCTRL("bad position"), POS(4,3) ); // Test for assert
+ //m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) ); // Test for assert
+
+
+ m_moveBtn1 = new wxButton(p, GBS_MOVE_BTN1, wxT("Move this to (3,6)"));
+ m_moveBtn2 = new wxButton(p, GBS_MOVE_BTN2, wxT("Move this to (3,6)"));
+ m_gbs->Add( m_moveBtn1, POS(10,2) );
+ m_gbs->Add( m_moveBtn2, POS(10,3) );
+
+ m_hideBtn = new wxButton(p, GBS_HIDE_BTN, wxT("Hide this item -->"));
+ m_gbs->Add(m_hideBtn, POS(12, 3));
+
+ m_hideTxt = new wxTextCtrl(p, wxID_ANY, wxT("pos(12,4), size(150, wxDefaultCoord)"),
+ wxDefaultPosition, wxSize(150,wxDefaultCoord));
+ m_gbs->Add( m_hideTxt, POS(12,4) );
+
+ m_showBtn = new wxButton(p, GBS_SHOW_BTN, wxT("<-- Show it again"));
+ m_gbs->Add(m_showBtn, POS(12, 5));
+ m_showBtn->Disable();
+
+ m_gbs->Add(10,10, POS(14,0));
+
+ m_gbs->AddGrowableRow(3);
+ m_gbs->AddGrowableCol(2);
+
+ p->SetSizerAndFit(m_gbs);
+ SetClientSize(p->GetSize());
}
-void MyFrame::About(wxCommandEvent& WXUNUSED(event) )
+void MyGridBagSizerFrame::OnHideBtn(wxCommandEvent&)
{
- (void)wxMessageBox("wxWindows GUI library layout demo\n",
- "About Layout Demo", wxOK|wxCENTRE);
+ m_gbs->Hide(m_hideTxt);
+ m_hideBtn->Disable();
+ m_showBtn->Enable();
+ m_gbs->Layout();
}
-// Size the subwindows when the frame is resized
-void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) )
+void MyGridBagSizerFrame::OnShowBtn(wxCommandEvent&)
{
- Layout();
+ m_gbs->Show(m_hideTxt);
+ m_hideBtn->Enable();
+ m_showBtn->Disable();
+ m_gbs->Layout();
+}
+
+
+void MyGridBagSizerFrame::OnMoveBtn(wxCommandEvent& event)
+{
+ wxButton* btn = (wxButton*)event.GetEventObject();
+ wxGBPosition curPos = m_gbs->GetItemPosition(btn);
+
+ // if it's already at the "other" spot then move it back
+ if (curPos == wxGBPosition(3,6))
+ {
+ m_gbs->SetItemPosition(btn, m_lastPos);
+ btn->SetLabel(wxT("Move this to (3,6)"));
+ }
+ else
+ {
+ if ( m_gbs->CheckForIntersection(wxGBPosition(3,6), wxGBSpan(1,1)) )
+ wxMessageBox(
+wxT("wxGridBagSizer will not allow items to be in the same cell as\n\
+another item, so this operation will fail. You will also get an assert\n\
+when compiled in debug mode."), wxT("Warning"), wxOK | wxICON_INFORMATION);
+
+ if ( m_gbs->SetItemPosition(btn, wxGBPosition(3,6)) )
+ {
+ m_lastPos = curPos;
+ btn->SetLabel(wxT("Move it back"));
+ }
+ }
+ m_gbs->Layout();
}
-void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) )
+// ----------------------------------------------------------------------------
+// MySimpleSizerFrame
+// ----------------------------------------------------------------------------
+
+// Some IDs
+enum {
+ ID_SET_SMALL = 1300,
+ ID_SET_BIG
+};
+
+BEGIN_EVENT_TABLE(MySimpleSizerFrame, wxFrame)
+ EVT_MENU( ID_SET_SMALL, MySimpleSizerFrame::OnSetSmallSize)
+ EVT_MENU( ID_SET_BIG, MySimpleSizerFrame::OnSetBigSize)
+END_EVENT_TABLE()
+
+MySimpleSizerFrame::MySimpleSizerFrame(wxFrame* parent)
+ : wxFrame(parent, wxID_ANY, "Simple Sizer Test Frame")
{
- dc.SetPen(* wxGREEN_PEN);
- dc.DrawLine(0, 0, 200, 200);
- dc.DrawLine(200, 0, 0, 200);
+ wxMenu *menu = new wxMenu;
- dc.SetBrush(* wxCYAN_BRUSH);
- dc.SetPen(* wxRED_PEN);
+ menu->Append(ID_SET_SMALL, wxT("Make text control small\tF4"));
+ menu->Append(ID_SET_BIG, wxT("Make text control big\tF5"));
- dc.DrawRectangle(100, 100, 100, 50);
- dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
+ wxMenuBar *menu_bar = new wxMenuBar;
+ menu_bar->Append(menu, wxT("&File"));
- dc.DrawEllipse(250, 250, 100, 50);
-#if wxUSE_SPLINES
- dc.DrawSpline(50, 200, 50, 100, 200, 10);
-#endif // wxUSE_SPLINES
- dc.DrawLine(50, 230, 200, 230);
+ SetMenuBar( menu_bar );
- dc.SetPen(* wxBLACK_PEN);
- dc.DrawArc(50, 300, 100, 250, 100, 300 );
-}
+ wxBoxSizer *main_sizer = new wxBoxSizer( wxHORIZONTAL );
-//-----------------------------------------------------------------
-// MyWindow
-//-----------------------------------------------------------------
+ m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
+ main_sizer->Add( m_target, 1, wxALL, 5 );
-BEGIN_EVENT_TABLE(MyWindow, wxWindow)
- EVT_PAINT(MyWindow::OnPaint)
-END_EVENT_TABLE()
+ main_sizer->Add( new wxStaticText( this, wxID_ANY, wxT("Set alternating sizes using F4 and F5") ), 0, wxALL, 5 );
+
+ SetSizer( main_sizer);
-// Define a constructor for my canvas
-MyWindow::MyWindow(wxFrame *frame, int x, int y, int w, int h, long style):
- wxWindow(frame, -1, wxPoint(x, y), wxSize(w, h), style)
+ Layout();
+ GetSizer()->Fit( this );
+}
+
+void MySimpleSizerFrame::OnSetSmallSize( wxCommandEvent& WXUNUSED(event))
{
+ GetSizer()->SetItemMinSize( m_target, 40, -1 );
+ Layout();
+ GetSizer()->Fit( this );
}
-MyWindow::~MyWindow()
+void MySimpleSizerFrame::OnSetBigSize( wxCommandEvent& WXUNUSED(event))
{
+ GetSizer()->SetItemMinSize( m_target, 140, -1 );
+ Layout();
+ GetSizer()->Fit( this );
}
-// Define the repainting behaviour
-void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) )
+
+// ----------------------------------------------------------------------------
+// MyNestedSizerFrame
+// ----------------------------------------------------------------------------
+
+
+MyNestedSizerFrame::MyNestedSizerFrame(wxFrame* parent)
+ : wxFrame(parent, wxID_ANY, "Nested Sizer Test Frame")
{
- wxPaintDC dc(this);
- frame->Draw(dc,TRUE);
+ wxMenu *menu = new wxMenu;
+
+ menu->Append(wxID_ABOUT, wxT("Do nothing"));
+
+ wxMenuBar *menu_bar = new wxMenuBar;
+ menu_bar->Append(menu, wxT("&File"));
+
+ SetMenuBar( menu_bar );
+
+ wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
+
+ main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
+ main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
+ main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
+ main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
+
+ wxPanel *panel = new wxPanel( this, -1, wxDefaultPosition, wxDefaultSize,
+ wxTAB_TRAVERSAL | wxSUNKEN_BORDER );
+ main_sizer->Add( panel, 0, wxALIGN_CENTER );
+ wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
+ panel->SetSizer( panel_sizer );
+ panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
+ panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
+ panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
+
+ main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
+
+ m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
+ main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );
+
+ SetSizerAndFit( main_sizer);
}
-//-----------------------------------------------------------------
-// MySizerFrame
-//-----------------------------------------------------------------
-MySizerFrame::MySizerFrame(wxFrame *frame, char *title, int x, int y ):
- wxFrame(frame, -1, title, wxPoint(x, y) )
+// ----------------------------------------------------------------------------
+// MyWrapSizerFrame
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(MyWrapSizerFrame, wxFrame)
+ EVT_MENU(wxID_ADD, MyWrapSizerFrame::OnAddCheckbox)
+ EVT_MENU(wxID_REMOVE, MyWrapSizerFrame::OnRemoveCheckbox)
+END_EVENT_TABLE()
+
+MyWrapSizerFrame::MyWrapSizerFrame(wxFrame* parent)
+ : wxFrame(parent, wxID_ANY, "Wrap Sizer Test Frame",
+ wxDefaultPosition, wxSize(200,-1))
{
- // we want to get a dialog that is stretchable because it
- // has a text ctrl in the middle. at the bottom, we have
- // two buttons which.
-
- wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
-
- // 1) top: create wxStaticText with minimum size equal to its default size
- topsizer->Add(
- new wxStaticText( this, -1, "An explanation (wxALIGN_RIGHT)." ),
- 0, // make vertically unstretchable
- wxALIGN_RIGHT | // right align text
- wxTOP | wxLEFT | wxRIGHT, // make border all around except wxBOTTOM
- 5 ); // set border width to 5
-
- // 2) top: create wxTextCtrl with minimum size (100x60)
- topsizer->Add(
- new wxTextCtrl( this, -1, "My text (wxEXPAND).", wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
- 1, // make vertically stretchable
- wxEXPAND | // make horizontally stretchable
- wxALL, // and make border all around
- 5 ); // set border width to 5
-
- // 2.5) Gratuitous test of wxStaticBoxSizers
- wxBoxSizer *statsizer = new wxStaticBoxSizer(
- new wxStaticBox(this, -1, "A wxStaticBoxSizer"),
- wxVERTICAL );
- statsizer->Add(
- new wxStaticText(this, -1, "And some TEXT inside it"),
- 0,
- wxCENTER |
- wxALL,
- 30);
- topsizer->Add(statsizer, 1, wxEXPAND | wxALL, 10);
+ wxMenu *menu = new wxMenu;
- // 2.7) And a test of wxGridSizer
- wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
- gridsizer->Add(new wxStaticText(this, -1, "Label"), 0,
- wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
- gridsizer->Add(new wxTextCtrl(this, -1, "Grid sizer demo"), 1,
- wxGROW | wxALIGN_CENTER_VERTICAL);
- gridsizer->Add(new wxStaticText(this, -1, "Another label"), 0,
- wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
- gridsizer->Add(new wxTextCtrl(this, -1, "More text"), 1,
- wxGROW | wxALIGN_CENTER_VERTICAL);
- gridsizer->Add(new wxStaticText(this, -1, "Final label"), 0,
- wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
- gridsizer->Add(new wxTextCtrl(this, -1, "And yet more text"), 1,
- wxGROW | wxALIGN_CENTER_VERTICAL);
- topsizer->Add(gridsizer, 1, wxGROW | wxALL, 10);
-
-
- // 3) middle: create wxStaticLine with minimum size (3x3)
- topsizer->Add(
- new wxStaticLine( this, -1, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
- 0, // make vertically unstretchable
- wxEXPAND | // make horizontally stretchable
- wxALL, // and make border all around
- 5 ); // set border width to 5
-
-
- // 4) bottom: create two centred wxButtons
- wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
- button_box->Add(
- new wxButton( this, -1, "Two buttons in a box" ),
- 0, // make horizontally unstretchable
- wxALL, // make border all around
- 7 ); // set border width to 7
- button_box->Add(
- new wxButton( this, -1, "(wxCENTER)" ),
- 0, // make horizontally unstretchable
- wxALL, // make border all around
- 7 ); // set border width to 7
-
- topsizer->Add(
- button_box,
- 0, // make vertically unstretchable
- wxCENTER ); // no border and centre horizontally
-
- SetAutoLayout( TRUE );
-
- // set frame to minimum size
- topsizer->Fit( this );
-
- // don't allow frame to get smaller than what the sizers tell ye
- topsizer->SetSizeHints( this );
-
- SetSizer( topsizer );
+ menu->Append(wxID_ADD, "&Add a checkbox\tCtrl-+");
+ menu->Append(wxID_REMOVE, "&Remove a checkbox\tCtrl--");
+
+ wxMenuBar *menu_bar = new wxMenuBar;
+ menu_bar->Append(menu, "&Wrap sizer");
+
+ SetMenuBar( menu_bar );
+
+ wxBoxSizer *root = new wxBoxSizer( wxVERTICAL );
+
+ wxStaticBoxSizer *topSizer = new wxStaticBoxSizer( wxVERTICAL, this, "Wrapping check-boxes" );
+ m_checkboxParent = topSizer->GetStaticBox();
+ m_wrapSizer = new wxWrapSizer(wxHORIZONTAL);
+
+ // A number of checkboxes inside a wrap sizer
+ for( int i = 0; i < 6; i++ )
+ DoAddCheckbox();
+
+ topSizer->Add( m_wrapSizer, wxSizerFlags(1).Expand());
+ root->Add( topSizer, wxSizerFlags().Expand().Border());
+
+ // A shaped item inside a box sizer
+ wxSizer *bottomSizer = new wxStaticBoxSizer( wxVERTICAL, this, "With wxSHAPED item" );
+ wxSizer *horzBoxSizer = new wxBoxSizer(wxHORIZONTAL);
+ bottomSizer->Add( horzBoxSizer, 100, wxEXPAND );
+ horzBoxSizer->Add( new wxListBox(this,wxID_ANY,wxPoint(0,0),wxSize(70,70)), 0, wxEXPAND|wxSHAPED );
+ horzBoxSizer->Add( 10,10 );
+ horzBoxSizer->Add( new wxCheckBox(this,wxID_ANY,"A much longer option..."), 100, 0, 5 );
+
+ root->Add( bottomSizer, 1, wxEXPAND | wxALL, 5 );
+
+ // Set sizer for window
+ SetSizerAndFit( root );
+}
+
+void MyWrapSizerFrame::DoAddCheckbox()
+{
+ m_wrapSizer->Add(new wxCheckBox
+ (
+ m_checkboxParent,
+ wxID_ANY,
+ wxString::Format
+ (
+ "Option %d",
+ (int)m_wrapSizer->GetItemCount() + 1
+ )
+ ),
+ wxSizerFlags().Centre().Border());
}
+void MyWrapSizerFrame::OnAddCheckbox(wxCommandEvent& WXUNUSED(event))
+{
+ DoAddCheckbox();
+ Layout();
+}
+void MyWrapSizerFrame::OnRemoveCheckbox(wxCommandEvent& WXUNUSED(event))
+{
+ if ( m_wrapSizer->IsEmpty() )
+ {
+ wxLogStatus(this, "No more checkboxes to remove.");
+ return;
+ }
+ delete m_wrapSizer->GetItem(m_wrapSizer->GetItemCount() - 1)->GetWindow();
+ Layout();
+}
projects / wxWidgets.git / blobdiff