don't crash when invalid colour is set as fg/bg colour

[wxWidgets.git] / samples / layout / layout.cpp

diff --git a/samples/layout/layout.cpp b/samples/layout/layout.cpp
index f6f6724f192f257c903ed1e4bc73d2f5a16a64a6..fbec3d7dc03f8a5d457e2fe6eaedf5a863487e71 100644 (file)
--- a/samples/layout/layout.cpp
+++ b/samples/layout/layout.cpp
@@ -20,11 +20,16 @@
 #include "wx/wx.h"
 #endif
 
 #include "wx/wx.h"
 #endif
 

-#if !USE_CONSTRAINTS
-#error You must set wxUSE_CONSTRAINTS to 1 in wx_setup.h!
+#if !wxUSE_CONSTRAINTS
+#error You must set wxUSE_CONSTRAINTS to 1 in setup.h!

 #endif
 
 #include <ctype.h>
 #endif
 
 #include <ctype.h>

+
+#include "wx/sizer.h"
+#include "wx/statline.h"
+#include "wx/notebook.h"
+

 #include "layout.h"
 
 // Declare two frames
 #include "layout.h"
 
 // Declare two frames


@@ -37,7 +42,7 @@ MyApp::MyApp()
 {
 }
 
 {
 }
 

-bool MyApp::OnInit(void)
+bool MyApp::OnInit()

 {
   // Create the main frame window
   frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500);
 {
   // Create the main frame window
   frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500);


@@ -51,7 +56,8 @@ bool MyApp::OnInit(void)
   wxMenu *file_menu = new wxMenu;
 
   file_menu->Append(LAYOUT_LOAD_FILE, "&Load file",      "Load a text file");
   wxMenu *file_menu = new wxMenu;
 
   file_menu->Append(LAYOUT_LOAD_FILE, "&Load file",      "Load a text file");

-  file_menu->Append(LAYOUT_TEST, "&Test sizers",      "Test sizer code");
+  file_menu->Append(LAYOUT_TEST_SIZER, "&Test sizers",      "Test sizer");
+  file_menu->Append(LAYOUT_TEST_NB, "&Test notebook sizers",      "Test notebook sizer");

 
   file_menu->AppendSeparator();
   file_menu->Append(LAYOUT_QUIT, "E&xit",                "Quit program");
 
   file_menu->AppendSeparator();
   file_menu->Append(LAYOUT_QUIT, "E&xit",                "Quit program");


@@ -69,7 +75,7 @@ bool MyApp::OnInit(void)
 
   // Make a panel
   frame->panel = new wxPanel(frame, 0, 0, 1000, 500, wxTAB_TRAVERSAL);
 
   // Make a panel
   frame->panel = new wxPanel(frame, 0, 0, 1000, 500, wxTAB_TRAVERSAL);

-  frame->panel->SetBackgroundColour(wxColour(192, 192, 192));
+  frame->panel->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));

 //  frame->panel->SetAutoLayout(TRUE);
 
   // Create some panel items
 //  frame->panel->SetAutoLayout(TRUE);
 
   // Create some panel items


@@ -152,6 +158,10 @@ bool MyApp::OnInit(void)
   return TRUE;
 }
 
   return TRUE;
 }
 

+//-----------------------------------------------------------------
+//  MyFrame
+//-----------------------------------------------------------------
+

 // 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))
 // 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))


@@ -164,15 +174,17 @@ MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
   EVT_MENU(LAYOUT_LOAD_FILE, MyFrame::LoadFile)
   EVT_MENU(LAYOUT_QUIT, MyFrame::Quit)
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
   EVT_MENU(LAYOUT_LOAD_FILE, MyFrame::LoadFile)
   EVT_MENU(LAYOUT_QUIT, MyFrame::Quit)

-  EVT_MENU(LAYOUT_TEST, MyFrame::TestSizers)
+  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 MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
 {
   EVT_MENU(LAYOUT_ABOUT, MyFrame::About)
   EVT_SIZE(MyFrame::OnSize)
 END_EVENT_TABLE()
 
 void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
 {

-      char *s = wxFileSelector("Load text file", (const char *) NULL, (const char *) NULL, (const char *) NULL, "*.txt");
-      if (s)
+      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);
       {
 #ifdef __WXMSW__
         frame->text_window->LoadFile(s);


@@ -182,18 +194,65 @@ void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
 
 void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
 {
 
 void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
 {

-      this->Close(TRUE);
+    this->Close(TRUE);

 }
 
 void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) )
 {
 }
 
 void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) )
 {

-  SizerFrame *newFrame = new SizerFrame((MyFrame *) NULL, (char *) "Sizer Test Frame", 50, 50, 500, 500);
-  newFrame->Show(TRUE);
+    MySizerFrame *newFrame = new MySizerFrame((MyFrame *) NULL, "Sizer Test Frame", 50, 50 );
+    newFrame->Show(TRUE);
+}
+
+void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
+{
+    wxDialog dialog( this, -1, wxString("Notebook Sizer Test Dialog")  );
+
+    // 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 );
+
+    wxButton *button = new wxButton( &dialog, wxID_OK, "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" );
+
+    // Second page: a text ctrl and a button
+    wxPanel *panel = new wxPanel( notebook, -1 );
+    notebook->AddPage( panel, "Page Two" );
+
+    wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
+
+    wxTextCtrl *text = new wxTextCtrl( panel, -1, "TextLine 1.", wxDefaultPosition, wxSize(250,-1) );
+    panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
+    text = new wxTextCtrl( panel, -1, "TextLine 2.", wxDefaultPosition, wxSize(250,-1) );
+    panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
+    wxButton *button2 = new wxButton( panel, -1, "Hallo" );
+    panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
+
+    panel->SetAutoLayout( TRUE );
+    panel->SetSizer( panelsizer );
+
+    // Tell dialog to use sizer
+
+    dialog.SetAutoLayout( TRUE );
+    dialog.SetSizer( topsizer );
+    topsizer->Fit( &dialog );
+    topsizer->SetSizeHints( &dialog );
+
+    dialog.ShowModal();

 }
 
 }
 

+

 void MyFrame::About(wxCommandEvent& WXUNUSED(event) )
 {
 void MyFrame::About(wxCommandEvent& WXUNUSED(event) )
 {

-      (void)wxMessageBox("wxWindows GUI library layout demo\n",
+    (void)wxMessageBox("wxWindows GUI library layout demo\n",

             "About Layout Demo", wxOK|wxCENTRE);
 }
 
             "About Layout Demo", wxOK|wxCENTRE);
 }
 


@@ -205,24 +264,30 @@ void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) )
 
 void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) )
 {
 
 void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) )
 {

-  dc.SetPen(wxGREEN_PEN);
+  dc.SetPen(* wxGREEN_PEN);

   dc.DrawLine(0, 0, 200, 200);
   dc.DrawLine(200, 0, 0, 200);
 
   dc.DrawLine(0, 0, 200, 200);
   dc.DrawLine(200, 0, 0, 200);
 

-  dc.SetBrush(wxCYAN_BRUSH);
-  dc.SetPen(wxRED_PEN);
+  dc.SetBrush(* wxCYAN_BRUSH);
+  dc.SetPen(* wxRED_PEN);

 
   dc.DrawRectangle(100, 100, 100, 50);
   dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
 
   dc.DrawEllipse(250, 250, 100, 50);
 
   dc.DrawRectangle(100, 100, 100, 50);
   dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
 
   dc.DrawEllipse(250, 250, 100, 50);

+#if wxUSE_SPLINES

   dc.DrawSpline(50, 200, 50, 100, 200, 10);
   dc.DrawSpline(50, 200, 50, 100, 200, 10);

+#endif // wxUSE_SPLINES

   dc.DrawLine(50, 230, 200, 230);
 
   dc.DrawLine(50, 230, 200, 230);
 

-  dc.SetPen(wxBLACK_PEN);
+  dc.SetPen(* wxBLACK_PEN);

   dc.DrawArc(50, 300, 100, 250, 100, 300 );
 }
 
   dc.DrawArc(50, 300, 100, 250, 100, 300 );
 }
 

+//-----------------------------------------------------------------
+//  MyWindow
+//-----------------------------------------------------------------
+

 BEGIN_EVENT_TABLE(MyWindow, wxWindow)
     EVT_PAINT(MyWindow::OnPaint)
 END_EVENT_TABLE()
 BEGIN_EVENT_TABLE(MyWindow, wxWindow)
     EVT_PAINT(MyWindow::OnPaint)
 END_EVENT_TABLE()


@@ -233,7 +298,7 @@ MyWindow::MyWindow(wxFrame *frame, int x, int y, int w, int h, long style):
 {
 }
 
 {
 }
 

-MyWindow::~MyWindow(void)
+MyWindow::~MyWindow()

 {
 }
 
 {
 }
 


@@ -244,112 +309,101 @@ void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) )
   frame->Draw(dc,TRUE);
 }
 
   frame->Draw(dc,TRUE);
 }
 

-// Define the behaviour for the frame closing
-// - must delete all frames except for the main one.
-bool MyFrame::OnClose(void)
-{
-  Show(FALSE);
+//-----------------------------------------------------------------
+//  MySizerFrame
+//-----------------------------------------------------------------

 
 

-  return TRUE;
-}
-
-SizerFrame::SizerFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
-  wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
+MySizerFrame::MySizerFrame(wxFrame *frame, char *title, int x, int y ):
+  wxFrame(frame, -1, title, wxPoint(x, y) )

 {
 {

-  panel = new wxPanel(this, -1, wxPoint(0, 0), wxSize(-1, -1), wxTAB_TRAVERSAL);
-  panel->SetBackgroundColour(wxColour(192, 192, 192));
-
-  // A sizer to fit the whole panel, plus two sizers, one
-  // above the other. A button is centred on the lower
-  // sizer; a rowcol containing 3 buttons is centred on the upper
-  // sizer.
-  wxSizer *expandSizer = new wxSizer(panel, wxSizerExpand);
-  expandSizer->SetName("expandSizer");
-
-  wxLayoutConstraints *c;
-
-  /////// TOP OF PANEL
-  ///////
-  wxSizer *topSizer = new wxSizer(expandSizer);
-  topSizer->SetName("topSizer");
-
-  // Specify constraints for the top sizer
-  c = new wxLayoutConstraints;
-  c->left.SameAs       (expandSizer, wxLeft);
-  c->top.SameAs        (expandSizer, wxTop);
-  c->right.SameAs      (expandSizer, wxRight);
-  c->height.PercentOf  (expandSizer, wxHeight, 50);
-
-  topSizer->SetConstraints(c);
-
- /*
-  * Add a row-col sizer and some buttons
-  */
-
-  // Default is layout by rows, 20 columns per row, shrink to fit.
-  wxRowColSizer *rowCol = new wxRowColSizer(topSizer);
-  rowCol->SetName("rowCol");
-  
-  wxButton *button = new wxButton(panel, -1, "Button 1");
-  rowCol->AddSizerChild(button);
-
-  button = new wxButton(panel, -1, "Button 2");
-  rowCol->AddSizerChild(button);
-
-  button = new wxButton(panel, -1, "Button 3");
-  rowCol->AddSizerChild(button);
-
-  // Centre the rowcol in the middle of the upper sizer
-  c = new wxLayoutConstraints;
-  c->centreX.SameAs    (topSizer, wxCentreX);
-  c->centreY.SameAs    (topSizer, wxCentreY);
-  c->width.AsIs();
-  c->height.AsIs();
-  rowCol->SetConstraints(c);
-
-  /////// BOTTOM OF PANEL
-  ///////
-  wxSizer *bottomSizer = new wxSizer(expandSizer);
-
-  // Specify constraints for the bottom sizer
-  c = new wxLayoutConstraints;
-  c->left.SameAs       (expandSizer, wxLeft);
-  c->top.PercentOf     (expandSizer, wxHeight, 50);
-  c->right.SameAs      (expandSizer, wxRight);
-  c->height.PercentOf  (expandSizer, wxHeight, 50);
-
-  bottomSizer->SetConstraints(c);
-
-  wxButton *button2 = new wxButton(panel, -1, "Test button");
-
-  // The button should be a child of the bottom sizer
-  bottomSizer->AddSizerChild(button2);
-
-  // Centre the button on the sizer
-  c = new wxLayoutConstraints;
-  c->centreX.SameAs    (bottomSizer, wxCentreX);
-  c->centreY.SameAs    (bottomSizer, wxCentreY);
-  c->width.PercentOf   (bottomSizer, wxWidth, 20);
-  c->height.PercentOf  (bottomSizer, wxHeight, 20);
-  button2->SetConstraints(c);
+  // 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);
+
+    // 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 );

 }
 
 }
 

-BEGIN_EVENT_TABLE(SizerFrame, wxFrame)
-  EVT_SIZE(SizerFrame::OnSize)
-END_EVENT_TABLE()
-

 
 

-// Size the subwindows when the frame is resized
-void SizerFrame::OnSize(wxSizeEvent& event)
-{
-  wxFrame::OnSize(event);
-  panel->Layout();
-}
-
-bool SizerFrame::OnClose(void)
-{
-  Show(FALSE);
-
-  return TRUE;
-}