+/////////////////////////////////////////////////////////////////////////////
+// Program: wxWidgets Widgets Sample
+// Name: bmpcombobox.cpp
+// Purpose: Part of the widgets sample showing wxBitmapComboBox
+// Author: Jaakko Salli
+// Created: Sep-01-2006
+// Id: $Id:
+// Copyright: (c) 2006 Jaakko Salli
+// License: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if wxUSE_BITMAPCOMBOBOX
+
+// for all others, include the necessary headers
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+
+ #include "wx/bitmap.h"
+ #include "wx/button.h"
+ #include "wx/checkbox.h"
+ #include "wx/combobox.h"
+ #include "wx/radiobox.h"
+ #include "wx/statbox.h"
+ #include "wx/textctrl.h"
+ #include "wx/filedlg.h"
+#endif
+
+#include "wx/stattext.h"
+#include "wx/dc.h"
+#include "wx/dcmemory.h"
+#include "wx/sizer.h"
+#include "wx/icon.h"
+#include "wx/dir.h"
+#include "wx/filename.h"
+#include "wx/image.h"
+#include "wx/imaglist.h"
+#include "wx/bmpcbox.h"
+
+
+#include "widgets.h"
+
+#include "icons/odcombobox.xpm"
+
+// Images loaded from file are reduced this width and height, if larger
+#define IMG_SIZE_TRUNC 150
+
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// control ids
+enum
+{
+ BitmapComboBoxPage_Reset = wxID_HIGHEST,
+ BitmapComboBoxPage_Insert,
+ BitmapComboBoxPage_InsertText,
+ BitmapComboBoxPage_ChangeHeight,
+ BitmapComboBoxPage_LoadFromFile,
+ BitmapComboBoxPage_SetFromFile,
+ BitmapComboBoxPage_AddWidgetIcons,
+ BitmapComboBoxPage_AddSeveralWithImages,
+ BitmapComboBoxPage_AddSeveral,
+ BitmapComboBoxPage_AddMany,
+ BitmapComboBoxPage_Clear,
+ BitmapComboBoxPage_Change,
+ BitmapComboBoxPage_Delete,
+ BitmapComboBoxPage_DeleteText,
+ BitmapComboBoxPage_DeleteSel,
+ BitmapComboBoxPage_Combo
+};
+
+
+// ----------------------------------------------------------------------------
+// BitmapComboBoxWidgetsPage
+// ----------------------------------------------------------------------------
+
+class BitmapComboBoxWidgetsPage : public WidgetsPage
+{
+public:
+ BitmapComboBoxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
+
+ virtual wxControl *GetWidget() const { return m_combobox; }
+ virtual void RecreateWidget() { CreateCombo(); }
+
+ // lazy creation of the content
+ virtual void CreateContent();
+
+protected:
+ // event handlers
+ void OnButtonReset(wxCommandEvent& event);
+ void OnButtonChange(wxCommandEvent& event);
+ void OnButtonDelete(wxCommandEvent& event);
+ void OnButtonDeleteSel(wxCommandEvent& event);
+ void OnButtonClear(wxCommandEvent& event);
+ void OnButtonInsert(wxCommandEvent &event);
+ void OnTextChangeHeight(wxCommandEvent& event);
+ void OnButtonLoadFromFile(wxCommandEvent& event);
+ void OnButtonSetFromFile(wxCommandEvent& event);
+ void OnButtonAddSeveral(wxCommandEvent& event);
+ void OnButtonAddSeveralWithImages(wxCommandEvent& event);
+ void OnButtonAddWidgetIcons(wxCommandEvent& event);
+ void OnButtonAddMany(wxCommandEvent& event);
+
+ void OnComboBox(wxCommandEvent& event);
+ void OnComboText(wxCommandEvent& event);
+
+ void OnCheckOrRadioBox(wxCommandEvent& event);
+
+ void OnTextPopupWidth(wxCommandEvent& event);
+ void OnTextPopupHeight(wxCommandEvent& event);
+ void OnTextButtonAll(wxCommandEvent& event);
+
+ void OnUpdateUIInsert(wxUpdateUIEvent& event);
+ void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
+ void OnUpdateUIAddSeveralWithImages(wxUpdateUIEvent& event);
+ void OnUpdateUIClearButton(wxUpdateUIEvent& event);
+ void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
+ void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
+ void OnUpdateUIResetButton(wxUpdateUIEvent& event);
+
+ // reset the bmpcombobox parameters
+ void Reset();
+
+ // (re)create the bmpcombobox
+ void CreateCombo();
+
+ // helpers for creating bitmaps
+ wxBitmap CreateBitmap(const wxColour& colour);
+ wxBitmap CreateRandomBitmap(wxString* pStr);
+ wxBitmap LoadBitmap(const wxString& filepath);
+ wxBitmap QueryBitmap(wxString* pStr);
+
+ void LoadWidgetImages( wxArrayString* strings, wxImageList* images );
+
+ wxSizer *CreateSizerWithSmallTextAndLabel(const wxString& label,
+ wxWindowID id,
+ wxTextCtrl **ppText);
+
+ // the controls
+ // ------------
+
+ // the checkboxes for styles
+ wxCheckBox *m_chkSort,
+ *m_chkReadonly,
+ *m_chkScaleimages;
+
+ // the combobox itself and the sizer it is in
+ wxBitmapComboBox *m_combobox;
+ wxSizer *m_sizerCombo;
+
+ // the text entries for "Add/change string" and "Delete" buttons
+ wxTextCtrl *m_textInsert,
+ *m_textChangeHeight,
+ *m_textChange,
+ *m_textDelete;
+
+private:
+ DECLARE_EVENT_TABLE()
+ DECLARE_WIDGETS_PAGE(BitmapComboBoxWidgetsPage)
+};
+
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(BitmapComboBoxWidgetsPage, WidgetsPage)
+ EVT_BUTTON(BitmapComboBoxPage_Reset, BitmapComboBoxWidgetsPage::OnButtonReset)
+ EVT_BUTTON(BitmapComboBoxPage_Change, BitmapComboBoxWidgetsPage::OnButtonChange)
+ EVT_BUTTON(BitmapComboBoxPage_Delete, BitmapComboBoxWidgetsPage::OnButtonDelete)
+ EVT_BUTTON(BitmapComboBoxPage_DeleteSel, BitmapComboBoxWidgetsPage::OnButtonDeleteSel)
+ EVT_BUTTON(BitmapComboBoxPage_Clear, BitmapComboBoxWidgetsPage::OnButtonClear)
+ EVT_BUTTON(BitmapComboBoxPage_Insert, BitmapComboBoxWidgetsPage::OnButtonInsert)
+ EVT_BUTTON(BitmapComboBoxPage_AddSeveral, BitmapComboBoxWidgetsPage::OnButtonAddSeveral)
+ EVT_BUTTON(BitmapComboBoxPage_AddSeveralWithImages, BitmapComboBoxWidgetsPage::OnButtonAddSeveralWithImages)
+ EVT_BUTTON(BitmapComboBoxPage_AddWidgetIcons, BitmapComboBoxWidgetsPage::OnButtonAddWidgetIcons)
+ EVT_BUTTON(BitmapComboBoxPage_AddMany, BitmapComboBoxWidgetsPage::OnButtonAddMany)
+ EVT_BUTTON(BitmapComboBoxPage_LoadFromFile, BitmapComboBoxWidgetsPage::OnButtonLoadFromFile)
+ EVT_BUTTON(BitmapComboBoxPage_SetFromFile, BitmapComboBoxWidgetsPage::OnButtonSetFromFile)
+
+ EVT_TEXT_ENTER(BitmapComboBoxPage_InsertText, BitmapComboBoxWidgetsPage::OnButtonInsert)
+ EVT_TEXT(BitmapComboBoxPage_ChangeHeight, BitmapComboBoxWidgetsPage::OnTextChangeHeight)
+ EVT_TEXT_ENTER(BitmapComboBoxPage_DeleteText, BitmapComboBoxWidgetsPage::OnButtonDelete)
+
+ EVT_UPDATE_UI(BitmapComboBoxPage_Reset, BitmapComboBoxWidgetsPage::OnUpdateUIResetButton)
+ EVT_UPDATE_UI(BitmapComboBoxPage_Insert, BitmapComboBoxWidgetsPage::OnUpdateUIInsert)
+ EVT_UPDATE_UI(BitmapComboBoxPage_LoadFromFile, BitmapComboBoxWidgetsPage::OnUpdateUIInsert)
+ EVT_UPDATE_UI(BitmapComboBoxPage_AddSeveral, BitmapComboBoxWidgetsPage::OnUpdateUIAddSeveral)
+ EVT_UPDATE_UI(BitmapComboBoxPage_AddSeveralWithImages, BitmapComboBoxWidgetsPage::OnUpdateUIAddSeveralWithImages)
+ EVT_UPDATE_UI(BitmapComboBoxPage_Clear, BitmapComboBoxWidgetsPage::OnUpdateUIClearButton)
+ EVT_UPDATE_UI(BitmapComboBoxPage_DeleteText, BitmapComboBoxWidgetsPage::OnUpdateUIClearButton)
+ EVT_UPDATE_UI(BitmapComboBoxPage_Delete, BitmapComboBoxWidgetsPage::OnUpdateUIDeleteButton)
+ EVT_UPDATE_UI(BitmapComboBoxPage_Change, BitmapComboBoxWidgetsPage::OnUpdateUIDeleteSelButton)
+ EVT_UPDATE_UI(BitmapComboBoxPage_DeleteSel, BitmapComboBoxWidgetsPage::OnUpdateUIDeleteSelButton)
+
+ EVT_COMBOBOX(BitmapComboBoxPage_Combo, BitmapComboBoxWidgetsPage::OnComboBox)
+ EVT_TEXT(BitmapComboBoxPage_Combo, BitmapComboBoxWidgetsPage::OnComboText)
+ EVT_TEXT_ENTER(BitmapComboBoxPage_Combo, BitmapComboBoxWidgetsPage::OnComboText)
+
+ EVT_CHECKBOX(wxID_ANY, BitmapComboBoxWidgetsPage::OnCheckOrRadioBox)
+ EVT_RADIOBOX(wxID_ANY, BitmapComboBoxWidgetsPage::OnCheckOrRadioBox)
+END_EVENT_TABLE()
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+
+
+IMPLEMENT_WIDGETS_PAGE(BitmapComboBoxWidgetsPage, _T("BitmapCombobox"),
+ GENERIC_CTRLS | WITH_ITEMS_CTRLS | COMBO_CTRLS
+ );
+
+
+BitmapComboBoxWidgetsPage::BitmapComboBoxWidgetsPage(WidgetsBookCtrl *book,
+ wxImageList *imaglist)
+ : WidgetsPage(book, imaglist, odcombobox_xpm)
+{
+ // init everything
+ m_chkSort =
+ m_chkReadonly =
+ m_chkScaleimages = (wxCheckBox *)NULL;
+
+ m_combobox = (wxBitmapComboBox *)NULL;
+ m_sizerCombo = (wxSizer *)NULL;
+}
+
+// create a sizer containing a label and a small text ctrl
+wxSizer *BitmapComboBoxWidgetsPage::CreateSizerWithSmallTextAndLabel(const wxString& label,
+ wxWindowID id,
+ wxTextCtrl **ppText)
+{
+ wxControl* control = new wxStaticText(this, wxID_ANY, label);
+ wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
+ wxTextCtrl *text = new wxTextCtrl(this, id, wxEmptyString,
+ wxDefaultPosition, wxSize(50,-1), wxTE_PROCESS_ENTER);
+
+ sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5);
+ sizerRow->Add(text, 1, wxFIXED_MINSIZE | wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
+
+ if ( ppText )
+ *ppText = text;
+
+ return sizerRow;
+}
+
+void BitmapComboBoxWidgetsPage::CreateContent()
+{
+ /*
+ What we create here is a frame having 3 panes: style pane is the
+ leftmost one, in the middle the pane with buttons allowing to perform
+ miscellaneous combobox operations and the pane containing the combobox
+ itself to the right
+ */
+ //wxTextCtrl *text;
+ wxSizer *sizerRow;
+
+ wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
+
+ wxSizer *sizerLeft = new wxBoxSizer(wxVERTICAL);
+
+ // left pane - style box
+ wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
+
+ wxSizer *sizerStyle = new wxStaticBoxSizer(box, wxVERTICAL);
+
+ m_chkSort = CreateCheckBoxAndAddToSizer(sizerStyle, _T("&Sort items"));
+ m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerStyle, _T("&Read only"));
+
+ wxButton *btn = new wxButton(this, BitmapComboBoxPage_Reset, _T("&Reset"));
+ sizerStyle->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 3);
+
+ sizerLeft->Add(sizerStyle, 0, wxGROW | wxALIGN_CENTRE_HORIZONTAL);
+
+ // left pane - other options box
+ box = new wxStaticBox(this, wxID_ANY, _T("Demo options"));
+
+ wxSizer *sizerOptions = new wxStaticBoxSizer(box, wxVERTICAL);
+
+ m_chkScaleimages = CreateCheckBoxAndAddToSizer(sizerOptions, _T("&Scale loaded images to fit"));
+
+ sizerRow = CreateSizerWithSmallTextAndLabel(_T("Control &height:"),
+ BitmapComboBoxPage_ChangeHeight,
+ &m_textChangeHeight);
+ m_textChangeHeight->SetSize(20, -1);
+ sizerOptions->Add(sizerRow, 0, wxALL | wxFIXED_MINSIZE /*| wxGROW*/, 5);
+
+ sizerLeft->Add(sizerOptions, 0, wxGROW | wxALIGN_CENTRE_HORIZONTAL | wxTOP, 2);
+
+ // middle pane
+ wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
+ _T("&Change wxBitmapComboBox contents"));
+ wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
+
+#if wxUSE_IMAGE
+ btn = new wxButton(this, BitmapComboBoxPage_AddWidgetIcons, _T("Add &widget icons"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, BitmapComboBoxPage_LoadFromFile, _T("Insert image from &file"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, BitmapComboBoxPage_SetFromFile, _T("&Set image from file"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+#endif
+
+ btn = new wxButton(this, BitmapComboBoxPage_AddSeveralWithImages, _T("A&ppend a few strings with images"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, BitmapComboBoxPage_AddSeveral, _T("Append a &few strings"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, BitmapComboBoxPage_AddMany, _T("Append &many strings"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ sizerRow = CreateSizerWithTextAndButton(BitmapComboBoxPage_Delete,
+ _T("&Delete this item"),
+ BitmapComboBoxPage_DeleteText,
+ &m_textDelete);
+ sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, BitmapComboBoxPage_DeleteSel, _T("Delete &selection"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, BitmapComboBoxPage_Clear, _T("&Clear"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+#if wxUSE_IMAGE
+ wxInitAllImageHandlers();
+#endif
+
+ // right pane
+ wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
+ m_combobox = new wxBitmapComboBox();
+ m_combobox->Create(this, BitmapComboBoxPage_Combo, wxEmptyString,
+ wxDefaultPosition, wxDefaultSize,
+ 0, NULL,
+ wxCB_READONLY);
+
+#if defined(wxGENERIC_BITMAPCOMBOBOX)
+ // This will sure make the list look nicer when larger images are used.
+ m_combobox->SetPopupMaxHeight(600);
+#endif
+
+ sizerRight->Add(m_combobox, 0, wxGROW | wxALL, 5);
+ sizerRight->SetMinSize(150, 0);
+ m_sizerCombo = sizerRight; // save it to modify it later
+
+ // the 3 panes panes compose the window
+ sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
+ sizerTop->Add(sizerMiddle, 5, wxGROW | wxALL, 10);
+ sizerTop->Add(sizerRight, 4, wxGROW | (wxALL & ~wxRIGHT), 10);
+
+ // final initializations
+ Reset();
+
+ SetSizer(sizerTop);
+
+ sizerTop->Fit(this);
+}
+
+// ----------------------------------------------------------------------------
+// operations
+// ----------------------------------------------------------------------------
+
+void BitmapComboBoxWidgetsPage::Reset()
+{
+ m_chkSort->SetValue(false);
+ m_chkReadonly->SetValue(true);
+ m_chkScaleimages->SetValue(true);
+}
+
+void BitmapComboBoxWidgetsPage::CreateCombo()
+{
+ int flags = ms_defaultFlags;
+
+ if ( m_chkSort->GetValue() )
+ flags |= wxCB_SORT;
+ if ( m_chkReadonly->GetValue() )
+ flags |= wxCB_READONLY;
+
+ wxArrayString items;
+ wxArrayPtrVoid bitmaps;
+ if ( m_combobox )
+ {
+ unsigned int count = m_combobox->GetCount();
+ for ( unsigned int n = 0; n < count; n++ )
+ {
+ items.Add(m_combobox->GetString(n));
+ bitmaps.Add(new wxBitmap(m_combobox->GetItemBitmap(n)));
+ }
+
+ m_sizerCombo->Detach( m_combobox );
+ delete m_combobox;
+ }
+
+ m_combobox = new wxBitmapComboBox();
+ m_combobox->Create(this, BitmapComboBoxPage_Combo, wxEmptyString,
+ wxDefaultPosition, wxDefaultSize,
+ 0, NULL,
+ flags);
+
+#if defined(wxGENERIC_BITMAPCOMBOBOX)
+ // This will sure make the list look nicer when larger images are used.
+ m_combobox->SetPopupMaxHeight(600);
+#endif
+
+ unsigned int count = items.GetCount();
+ for ( unsigned int n = 0; n < count; n++ )
+ {
+ wxBitmap* bmp = (wxBitmap*) bitmaps[n];
+ m_combobox->Append(items[n], *bmp);
+ delete bmp;
+ }
+
+ m_sizerCombo->Add(m_combobox, 0, wxGROW | wxALL, 5);
+ m_sizerCombo->Layout();
+
+ // Allow changing height inorder to demonstrate flexible
+ // size of image "thumbnail" painted in the control itself.
+ long h = 0;
+ m_textChangeHeight->GetValue().ToLong(&h);
+ if ( h >= 5 )
+ m_combobox->SetSize(-1, h);
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+void BitmapComboBoxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
+{
+ Reset();
+
+ CreateCombo();
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
+{
+ int sel = m_combobox->GetSelection();
+ if ( sel != wxNOT_FOUND )
+ {
+#ifndef __WXGTK__
+ m_combobox->SetString(sel, m_textChange->GetValue());
+#else
+ wxLogMessage(_T("Not implemented in wxGTK"));
+#endif
+ }
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
+{
+ unsigned long n;
+ if ( !m_textDelete->GetValue().ToULong(&n) ||
+ (n >= m_combobox->GetCount()) )
+ {
+ return;
+ }
+
+ m_combobox->Delete(n);
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
+{
+ int sel = m_combobox->GetSelection();
+ if ( sel != wxNOT_FOUND )
+ {
+ m_combobox->Delete(sel);
+ }
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
+{
+ m_combobox->Clear();
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
+{
+ static unsigned int s_item = 0;
+
+ wxString s = m_textInsert->GetValue();
+ if ( !m_textInsert->IsModified() )
+ {
+ // update the default string
+ m_textInsert->SetValue(wxString::Format(_T("test item %u"), ++s_item));
+ }
+
+ if (m_combobox->GetSelection() >= 0)
+ m_combobox->Insert(s, wxNullBitmap, m_combobox->GetSelection());
+}
+
+void BitmapComboBoxWidgetsPage::OnTextChangeHeight(wxCommandEvent& WXUNUSED(event))
+{
+ long h = 0;
+ m_textChangeHeight->GetValue().ToLong(&h);
+ if ( h < 5 )
+ return;
+ m_combobox->SetSize(-1, h);
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonLoadFromFile(wxCommandEvent& WXUNUSED(event))
+{
+ wxString s;
+ m_combobox->Insert(s, QueryBitmap(&s), m_combobox->GetSelection());
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonSetFromFile(wxCommandEvent& WXUNUSED(event))
+{
+ m_combobox->SetItemBitmap(m_combobox->GetSelection(), QueryBitmap(NULL));
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
+{
+ // "many" means 1000 here
+ for ( unsigned int n = 0; n < 1000; n++ )
+ {
+ m_combobox->Append(wxString::Format(_T("item #%u"), n));
+ }
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
+{
+ m_combobox->Append(_T("First"));
+ m_combobox->Append(_T("another one"));
+ m_combobox->Append(_T("and the last (very very very very very very very very very very long) one"));
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonAddSeveralWithImages(wxCommandEvent& WXUNUSED(event))
+{
+ int i;
+
+ for ( i=0; i<4; i++ )
+ {
+ wxString s;
+ wxBitmap bmp = CreateRandomBitmap(&s);
+ m_combobox->Append(s, bmp);
+ }
+}
+
+void BitmapComboBoxWidgetsPage::LoadWidgetImages( wxArrayString* strings, wxImageList* images )
+{
+ wxFileName fn;
+ fn.AssignCwd();
+ fn.AppendDir(wxT("icons"));
+
+ wxSetCursor(*wxHOURGLASS_CURSOR);
+
+ if ( !wxDir::Exists(fn.GetFullPath()) ||
+ !wxDir::GetAllFiles(fn.GetFullPath(),strings,wxT("*.xpm")) )
+ {
+ fn.RemoveLastDir();
+ fn.RemoveLastDir();
+ fn.AppendDir(wxT("icons"));
+ if ( !wxDir::Exists(fn.GetFullPath()) ||
+ !wxDir::GetAllFiles(fn.GetFullPath(),strings,wxT("*.xpm")) )
+ {
+ // Try ../../../samples/widgets/icons
+ fn.AssignCwd();
+ fn.RemoveLastDir();
+ fn.RemoveLastDir();
+ fn.RemoveLastDir();
+ fn.AppendDir(wxT("samples"));
+ fn.AppendDir(wxT("widgets"));
+ fn.AppendDir(wxT("icons"));
+ if ( !wxDir::Exists(fn.GetFullPath()) ||
+ !wxDir::GetAllFiles(fn.GetFullPath(),strings,wxT("*.xpm")) )
+ {
+ wxLogWarning(wxT("Could not load widget icons."));
+ wxSetCursor(*wxSTANDARD_CURSOR);
+ return;
+ }
+ }
+ }
+
+ unsigned int i;
+
+ // Get size of existing images in list
+ wxSize foundSize = m_combobox->GetBitmapSize();
+
+ for ( i=0; i<strings->size(); i++ )
+ {
+ fn.SetFullName((*strings)[i]);
+ wxString name =fn.GetName();
+
+ // Handle few exceptions
+ if ( name == wxT("bmpbtn") )
+ {
+ strings->RemoveAt(i);
+ i--;
+ }
+ else
+ {
+#if wxUSE_IMAGE
+ wxASSERT(fn.FileExists());
+ wxImage image(fn.GetFullPath());
+ wxASSERT(image.Ok());
+ if ( m_chkScaleimages->GetValue() && foundSize.x > 0 )
+ image.Rescale(foundSize.x, foundSize.y);
+ wxBitmap bmp(image);
+ wxASSERT( bmp.Ok() );
+#else
+ wxBitmap bmp(wxNullBitmap);
+#endif
+ images->Add(bmp);
+ (*strings)[i] = name;
+ }
+ }
+
+ wxSetCursor(*wxSTANDARD_CURSOR);
+}
+
+void BitmapComboBoxWidgetsPage::OnButtonAddWidgetIcons(wxCommandEvent& WXUNUSED(event))
+{
+ wxArrayString strings;
+
+ int sz = 32;
+ //if ( m_chkScaleimages->GetValue() )
+ // sz = 16;
+
+ wxImageList images(sz, sz);
+
+ LoadWidgetImages(&strings, &images);
+
+ unsigned int i;
+
+ for ( i=0; i<strings.size(); i++ )
+ {
+ m_combobox->Append(strings[i], images.GetBitmap(i));
+ }
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ event.Enable( m_chkSort->GetValue() || m_chkReadonly->GetValue() );
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ {
+ bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT);
+
+ event.Enable(enable);
+ }
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ {
+ unsigned long n;
+ event.Enable(m_textDelete->GetValue().ToULong(&n) &&
+ (n < (unsigned)m_combobox->GetCount()));
+ }
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ event.Enable(m_combobox->GetSelection() != wxNOT_FOUND);
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ event.Enable(m_combobox->GetCount() != 0);
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
+}
+
+void BitmapComboBoxWidgetsPage::OnUpdateUIAddSeveralWithImages(wxUpdateUIEvent& event)
+{
+ if (m_combobox)
+ event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
+}
+
+void BitmapComboBoxWidgetsPage::OnComboText(wxCommandEvent& event)
+{
+ if (!m_combobox)
+ return;
+
+ wxString s = event.GetString();
+
+ wxASSERT_MSG( s == m_combobox->GetValue(),
+ _T("event and combobox values should be the same") );
+
+ if (event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER)
+ wxLogMessage(_T("BitmapCombobox enter pressed (now '%s')"), s.c_str());
+ else
+ wxLogMessage(_T("BitmapCombobox text changed (now '%s')"), s.c_str());
+}
+
+void BitmapComboBoxWidgetsPage::OnComboBox(wxCommandEvent& event)
+{
+ long sel = event.GetInt();
+ m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
+
+ wxLogMessage(_T("BitmapCombobox item %ld selected"), sel);
+
+ wxLogMessage(_T("BitmapCombobox GetValue(): %s"), m_combobox->GetValue().c_str() );
+}
+
+void BitmapComboBoxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
+{
+ CreateCombo();
+}
+
+#if wxUSE_IMAGE
+wxBitmap BitmapComboBoxWidgetsPage::LoadBitmap(const wxString& filepath)
+{
+ // Get size of existing images in list
+ wxSize foundSize = m_combobox->GetBitmapSize();
+
+ wxImage image(filepath);
+ if ( image.Ok() )
+ {
+ // Rescale very large images
+ int ow = image.GetWidth();
+ int oh = image.GetHeight();
+
+ if ( foundSize.x > 0 &&
+ (ow != foundSize.x || oh != foundSize.y) )
+ {
+ int w = ow;
+ if ( w > foundSize.x )
+ w = foundSize.x;
+ int h = oh;
+ if ( h > foundSize.y )
+ h = foundSize.y;
+
+ image.Rescale(w, h);
+ }
+
+ return wxBitmap(image);
+ }
+
+ return wxNullBitmap;
+}
+#else
+wxBitmap BitmapComboBoxWidgetsPage::LoadBitmap(const wxString& WXUNUSED(filepath))
+{
+ return wxNullBitmap;
+}
+#endif
+
+wxBitmap BitmapComboBoxWidgetsPage::QueryBitmap(wxString* pStr)
+{
+ wxString filepath = wxFileSelector(wxT("Choose image file"),
+ wxT(""),
+ wxT(""),
+ wxT(""),
+ wxT("*.*"),
+ wxOPEN | wxFILE_MUST_EXIST,
+ this);
+
+ wxBitmap bitmap;
+
+ ::wxSetCursor( *wxHOURGLASS_CURSOR );
+
+ if ( filepath.length() )
+ {
+ if ( pStr )
+ {
+ *pStr = wxFileName(filepath).GetName();
+ }
+
+ bitmap = LoadBitmap(filepath);
+ }
+
+ ::wxSetCursor( *wxSTANDARD_CURSOR );
+
+ return bitmap;
+}
+
+wxBitmap BitmapComboBoxWidgetsPage::CreateBitmap(const wxColour& colour)
+{
+ int ch = m_combobox->GetBitmapSize().y;
+ int h0 = ch - 5;
+
+ long w = ch;
+ long h = ch;
+
+ if ( w <= 0 )
+ w = h0 - 1;
+ if ( h <= 0 )
+ h = h0;
+ if ( h > ch )
+ h = ch;
+
+ wxMemoryDC dc;
+ wxBitmap bmp(w,h);
+ dc.SelectObject(bmp);
+
+ // Draw transparent background
+ wxColour magic(255,0,255);
+ wxBrush magicBrush(magic);
+ dc.SetBrush(magicBrush);
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
+
+ // Draw image content
+ dc.SetBrush(wxBrush(colour));
+ dc.DrawCircle(h/2,h/2+1,(h/2));
+
+ dc.SelectObject(wxNullBitmap);
+
+ // Finalize transparency with a mask
+ wxMask *mask = new wxMask(bmp, magic);
+ bmp.SetMask(mask);
+
+ return bmp;
+}
+
+wxBitmap BitmapComboBoxWidgetsPage::CreateRandomBitmap( wxString* pStr )
+{
+ int i = rand() % 6;
+ const wxChar* str = wxT("");
+ wxBitmap bmp;
+
+ if ( i == 0 )
+ {
+ str = wxT("Red Circle");
+ bmp = CreateBitmap( *wxRED );
+ }
+ else if ( i == 1 )
+ {
+ str = wxT("Green Circle");
+ bmp = CreateBitmap( *wxGREEN );
+ }
+ else if ( i == 2 )
+ {
+ str = wxT("Blue Circle");
+ bmp = CreateBitmap( *wxBLUE );
+ }
+ else if ( i == 3 )
+ {
+ str = wxT("Black Circle");
+ bmp = CreateBitmap( *wxBLACK );
+ }
+ else if ( i == 4 )
+ {
+ str = wxT("Cyan Circle");
+ bmp = CreateBitmap( *wxCYAN );
+ }
+ else if ( i == 5 )
+ {
+ str = wxT("Light Grey Circle");
+ bmp = CreateBitmap( *wxLIGHT_GREY );
+ }
+
+ if ( pStr )
+ *pStr = str;
+
+ return bmp;
+}
+
+#endif //wxUSE_BITMAPCOMBOBOX