// Purpose: implements wxSearchCtrl as a composite control
// Author: Vince Harron
// Created: 2006-02-19
-// RCS-ID: $Id$
// Copyright: Vince Harron
-// License: wxWindows licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
static const wxCoord ICON_OFFSET = 0;
#endif
-// ----------------------------------------------------------------------------
-// TODO: These functions or something like them should probably be made
-// public. There are similar functions in src/aui/dockart.cpp...
-
-static double wxBlendColour(double fg, double bg, double alpha)
-{
- double result = bg + (alpha * (fg - bg));
- if (result < 0.0)
- result = 0.0;
- if (result > 255)
- result = 255;
- return result;
-}
-
-static wxColor wxStepColour(const wxColor& c, int ialpha)
-{
- if (ialpha == 100)
- return c;
-
- double r = c.Red(), g = c.Green(), b = c.Blue();
- double bg;
-
- // ialpha is 0..200 where 0 is completely black
- // and 200 is completely white and 100 is the same
- // convert that to normal alpha 0.0 - 1.0
- ialpha = wxMin(ialpha, 200);
- ialpha = wxMax(ialpha, 0);
- double alpha = ((double)(ialpha - 100.0))/100.0;
-
- if (ialpha > 100)
- {
- // blend with white
- bg = 255.0;
- alpha = 1.0 - alpha; // 0 = transparent fg; 1 = opaque fg
- }
- else
- {
- // blend with black
- bg = 0.0;
- alpha = 1.0 + alpha; // 0 = transparent fg; 1 = opaque fg
- }
-
- r = wxBlendColour(r, bg, alpha);
- g = wxBlendColour(g, bg, alpha);
- b = wxBlendColour(b, bg, alpha);
-
- return wxColour((unsigned char)r, (unsigned char)g, (unsigned char)b);
-}
-
#define LIGHT_STEP 160
// ----------------------------------------------------------------------------
public:
wxSearchTextCtrl(wxSearchCtrl *search, const wxString& value, int style)
: wxTextCtrl(search, wxID_ANY, value, wxDefaultPosition, wxDefaultSize,
- style | wxNO_BORDER)
+ (style & ~wxBORDER_MASK) | wxNO_BORDER)
{
m_search = search;
- m_defaultFG = GetForegroundColour();
- // remove the default minsize, the searchctrl will have one instead
- SetSizeHints(wxDefaultCoord,wxDefaultCoord);
+ SetHint(_("Search"));
+
+ // Ensure that our best size is recomputed using our overridden
+ // DoGetBestSize().
+ InvalidateBestSize();
}
- void SetDescriptiveText(const wxString& text)
+ virtual wxWindow* GetMainWindowOfCompositeControl()
{
- if ( GetValue() == m_descriptiveText )
- {
- ChangeValue(wxEmptyString);
- }
+ return m_search;
+ }
- m_descriptiveText = text;
+ // provide access to the base class protected methods to wxSearchCtrl which
+ // needs to forward to them
+ void DoSetValue(const wxString& value, int flags)
+ {
+ wxTextCtrl::DoSetValue(value, flags);
}
- wxString GetDescriptiveText() const
+ bool DoLoadFile(const wxString& file, int fileType)
{
- return m_descriptiveText;
+ return wxTextCtrl::DoLoadFile(file, fileType);
+ }
+
+ bool DoSaveFile(const wxString& file, int fileType)
+ {
+ return wxTextCtrl::DoSaveFile(file, fileType);
}
protected:
m_search->GetEventHandler()->ProcessEvent(event);
}
- void OnIdle(wxIdleEvent& WXUNUSED(event))
+#ifdef __WXMSW__
+ // We increase the text control height to be the same as for the controls
+ // with border as this is what we actually need here because even though
+ // this control itself is borderless, it's inside wxSearchCtrl which does
+ // have the border and so should have the same height as the normal text
+ // entries with border.
+ //
+ // This is a bit ugly and it would arguably be better to use whatever size
+ // the base class version returns and just centre the text vertically in
+ // the search control but I failed to modify the code in LayoutControls()
+ // to do this easily and as there is much in that code I don't understand
+ // (notably what is the logic for buttons sizing?) I prefer to not touch it
+ // at all.
+ virtual wxSize DoGetBestSize() const
{
- if ( IsEmpty() && !(wxWindow::FindFocus() == this) )
- {
- ChangeValue(m_descriptiveText);
- SetInsertionPoint(0);
- SetForegroundColour(wxStepColour(m_defaultFG, LIGHT_STEP));
- }
- }
+ const long flags = GetWindowStyleFlag();
+ wxSearchTextCtrl* const self = const_cast<wxSearchTextCtrl*>(this);
- void OnFocus(wxFocusEvent& event)
- {
- event.Skip();
- if ( GetValue() == m_descriptiveText )
- {
- ChangeValue(wxEmptyString);
- SetForegroundColour(m_defaultFG);
- }
+ self->SetWindowStyleFlag((flags & ~wxBORDER_MASK) | wxBORDER_DEFAULT);
+ const wxSize size = wxTextCtrl::DoGetBestSize();
+ self->SetWindowStyleFlag(flags);
+
+ return size;
}
+#endif // __WXMSW__
private:
wxSearchCtrl* m_search;
- wxString m_descriptiveText;
- wxColour m_defaultFG;
DECLARE_EVENT_TABLE()
};
EVT_TEXT_ENTER(wxID_ANY, wxSearchTextCtrl::OnText)
EVT_TEXT_URL(wxID_ANY, wxSearchTextCtrl::OnTextUrl)
EVT_TEXT_MAXLEN(wxID_ANY, wxSearchTextCtrl::OnText)
- EVT_IDLE(wxSearchTextCtrl::OnIdle)
- EVT_SET_FOCUS(wxSearchTextCtrl::OnFocus)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
m_bmp(bmp)
{ }
- void SetBitmapLabel(const wxBitmap& label) { m_bmp = label; }
+ void SetBitmapLabel(const wxBitmap& label)
+ {
+ m_bmp = label;
+ InvalidateBestSize();
+ }
+
+ // The buttons in wxSearchCtrl shouldn't accept focus from keyboard because
+ // this would interfere with the usual TAB processing: the user expects
+ // that pressing TAB in the search control should switch focus to the next
+ // control and not give it to the button inside the same control. Besides,
+ // the search button can be already activated by pressing "Enter" so there
+ // is really no reason for it to be able to get focus from keyboard.
+ virtual bool AcceptsFocusFromKeyboard() const { return false; }
+ virtual wxWindow* GetMainWindowOfCompositeControl()
+ {
+ return m_search;
+ }
protected:
wxSize DoGetBestSize() const
wxCommandEvent event(m_eventType, m_search->GetId());
event.SetEventObject(m_search);
+ if ( m_eventType == wxEVT_SEARCHCTRL_SEARCH_BTN )
+ {
+ // it's convenient to have the string to search for directly in the
+ // event instead of having to retrieve it from the control in the
+ // event handler code later, so provide it here
+ event.SetString(m_search->GetValue());
+ }
+
GetEventHandler()->ProcessEvent(event);
m_search->SetFocus();
#if wxUSE_MENUS
- if ( m_eventType == wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN )
+ if ( m_eventType == wxEVT_SEARCHCTRL_SEARCH_BTN )
{
// this happens automatically, just like on Mac OS X
m_search->PopupSearchMenu();
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(wxSearchCtrl, wxSearchCtrlBase)
- EVT_SEARCHCTRL_SEARCH_BTN(wxID_ANY, wxSearchCtrl::OnSearchButton)
+ EVT_SEARCHCTRL_CANCEL_BTN(wxID_ANY, wxSearchCtrl::OnCancelButton)
EVT_SET_FOCUS(wxSearchCtrl::OnSetFocus)
EVT_SIZE(wxSearchCtrl::OnSize)
END_EVENT_TABLE()
#else
style |= wxBORDER_SIMPLE;
#endif
- if ( !wxTextCtrlBase::Create(parent, id, pos, size, style, validator, name) )
+ if ( !wxSearchCtrlBaseBaseClass::Create(parent, id, pos, size,
+ style, validator, name) )
{
return false;
}
- m_text = new wxSearchTextCtrl(this, value, style & ~wxBORDER_MASK);
- m_text->SetDescriptiveText(_("Search"));
+ m_text = new wxSearchTextCtrl(this, value, style);
m_searchButton = new wxSearchButton(this,
- wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN,
+ wxEVT_SEARCHCTRL_SEARCH_BTN,
m_searchBitmap);
m_cancelButton = new wxSearchButton(this,
- wxEVT_COMMAND_SEARCHCTRL_CANCEL_BTN,
+ wxEVT_SEARCHCTRL_CANCEL_BTN,
m_cancelBitmap);
- SetForegroundColour( m_text->GetForegroundColour() );
- m_searchButton->SetForegroundColour( m_text->GetForegroundColour() );
- m_cancelButton->SetForegroundColour( m_text->GetForegroundColour() );
-
SetBackgroundColour( m_text->GetBackgroundColour() );
- m_searchButton->SetBackgroundColour( m_text->GetBackgroundColour() );
- m_cancelButton->SetBackgroundColour( m_text->GetBackgroundColour() );
RecalcBitmaps();
void wxSearchCtrl::SetDescriptiveText(const wxString& text)
{
- m_text->SetDescriptiveText(text);
+ m_text->SetHint(text);
}
wxString wxSearchCtrl::GetDescriptiveText() const
{
- return m_text->GetDescriptiveText();
+ return m_text->GetHint();
}
// ----------------------------------------------------------------------------
y += BORDER;
width -= horizontalBorder*2;
height -= BORDER*2;
+ if (width < 0) width = 0;
+ if (height < 0) height = 0;
wxSize sizeSearch(0,0);
wxSize sizeCancel(0,0);
cancelMargin = 0;
}
wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin - 1;
+ if (textWidth < 0) textWidth = 0;
// position the subcontrols inside the client area
y + ICON_OFFSET - 1, sizeCancel.x, height);
}
+wxWindowList wxSearchCtrl::GetCompositeWindowParts() const
+{
+ wxWindowList parts;
+ parts.push_back(m_text);
+ parts.push_back(m_searchButton);
+ parts.push_back(m_cancelButton);
+ return parts;
+}
// accessors
// ---------
-wxString wxSearchCtrl::GetValue() const
+wxString wxSearchCtrl::DoGetValue() const
{
- wxString value = m_text->GetValue();
- if (value == m_text->GetDescriptiveText())
- return wxEmptyString;
- else
- return value;
-}
-void wxSearchCtrl::SetValue(const wxString& value)
-{
- m_text->SetValue(value);
+ return m_text->GetValue();
}
-
wxString wxSearchCtrl::GetRange(long from, long to) const
{
return m_text->GetRange(from, to);
{
return m_text->GetInsertionPoint();
}
-wxTextPos wxSearchCtrl::GetLastPosition() const
+long wxSearchCtrl::GetLastPosition() const
{
return m_text->GetLastPosition();
}
bool wxSearchCtrl::SetFont(const wxFont& font)
{
- bool result = wxSearchCtrlBase::SetFont(font);
- if ( result && m_text )
- {
- result = m_text->SetFont(font);
- }
+ if ( !wxSearchCtrlBase::SetFont(font) )
+ return false;
+
+ // Recreate the bitmaps as their size may have changed.
RecalcBitmaps();
- return result;
+
+ return true;
+}
+
+bool wxSearchCtrl::SetBackgroundColour(const wxColour& colour)
+{
+ if ( !wxSearchCtrlBase::SetBackgroundColour(colour) )
+ return false;
+
+ // When the background changes, re-render the bitmaps so that the correct
+ // colour shows in their "transparent" area.
+ RecalcBitmaps();
+
+ return true;
}
// search control generic only
void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap )
{
m_searchBitmap = bitmap;
- m_searchBitmapUser = bitmap.Ok();
+ m_searchBitmapUser = bitmap.IsOk();
if ( m_searchBitmapUser )
{
if ( m_searchButton && !HasMenu() )
void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap )
{
m_searchMenuBitmap = bitmap;
- m_searchMenuBitmapUser = bitmap.Ok();
+ m_searchMenuBitmapUser = bitmap.IsOk();
if ( m_searchMenuBitmapUser )
{
if ( m_searchButton && m_menu )
void wxSearchCtrl::SetCancelBitmap( const wxBitmap& bitmap )
{
m_cancelBitmap = bitmap;
- m_cancelBitmapUser = bitmap.Ok();
+ m_cancelBitmapUser = bitmap.IsOk();
if ( m_cancelBitmapUser )
{
if ( m_cancelButton )
void wxSearchCtrl::DoSetValue(const wxString& value, int flags)
{
- m_text->ChangeValue( value );
- if ( flags & SetValue_SendEvent )
- SendTextUpdatedEvent();
+ m_text->DoSetValue(value, flags);
+}
+
+bool wxSearchCtrl::DoLoadFile(const wxString& file, int fileType)
+{
+ return m_text->DoLoadFile(file, fileType);
+}
+
+bool wxSearchCtrl::DoSaveFile(const wxString& file, int fileType)
+{
+ return m_text->DoSaveFile(file, fileType);
}
// do the window-specific processing after processing the update event
wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop )
{
wxColour bg = GetBackgroundColour();
- wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP-20);
+ wxColour fg = GetForegroundColour().ChangeLightness(LIGHT_STEP-20);
//===============================================================================
// begin drawing code
wxBitmap wxSearchCtrl::RenderCancelBitmap( int x, int y )
{
wxColour bg = GetBackgroundColour();
- wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP);
+ wxColour fg = GetForegroundColour().ChangeLightness(LIGHT_STEP);
//===============================================================================
// begin drawing code
if ( !m_searchBitmapUser )
{
if (
- !m_searchBitmap.Ok() ||
+ !m_searchBitmap.IsOk() ||
m_searchBitmap.GetHeight() != bitmapHeight ||
m_searchBitmap.GetWidth() != bitmapWidth
)
if ( !m_searchMenuBitmapUser )
{
if (
- !m_searchMenuBitmap.Ok() ||
+ !m_searchMenuBitmap.IsOk() ||
m_searchMenuBitmap.GetHeight() != bitmapHeight ||
m_searchMenuBitmap.GetWidth() != bitmapWidth
)
if ( !m_cancelBitmapUser )
{
if (
- !m_cancelBitmap.Ok() ||
+ !m_cancelBitmap.IsOk() ||
m_cancelBitmap.GetHeight() != bitmapHeight ||
m_cancelBitmap.GetWidth() != bitmapHeight
)
}
}
-void wxSearchCtrl::OnSearchButton( wxCommandEvent& event )
+void wxSearchCtrl::OnCancelButton( wxCommandEvent& event )
{
+ m_text->Clear();
event.Skip();
}
projects / wxWidgets.git / blobdiff