X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8bc333d76d46ce8b3a0077e211ff1485673ae725..0547ad09ccbc8f853502bf496f411c1623a68382:/src/generic/srchctlg.cpp diff --git a/src/generic/srchctlg.cpp b/src/generic/srchctlg.cpp index 45647bbf92..65259a7227 100644 --- a/src/generic/srchctlg.cpp +++ b/src/generic/srchctlg.cpp @@ -5,17 +5,9 @@ // Created: 2006-02-19 // RCS-ID: $Id$ // Copyright: Vince Harron -// License: wxWindows licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -// ============================================================================ -// declarations -// ============================================================================ - -// ---------------------------------------------------------------------------- -// headers -// ---------------------------------------------------------------------------- - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -23,6 +15,10 @@ #pragma hdrstop #endif +#if wxUSE_SEARCHCTRL + +#include "wx/srchctrl.h" + #ifndef WX_PRECOMP #include "wx/button.h" #include "wx/dcclient.h" @@ -30,16 +26,11 @@ #include "wx/dcmemory.h" #endif //WX_PRECOMP -#if wxUSE_SEARCHCTRL - -#include "wx/srchctrl.h" - #if !wxUSE_NATIVE_SEARCH_CONTROL #include "wx/image.h" -#define WXMIN(a,b) (a)<(b)?(a):(b) -#define WXMAX(a,b) (a)>(b)?(a):(b) +#define WXMAX(a,b) ((a)>(b)?(a):(b)) // ---------------------------------------------------------------------------- // constants @@ -59,6 +50,57 @@ static const wxCoord ICON_MARGIN = 0; 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 + // ---------------------------------------------------------------------------- // wxSearchTextCtrl: text control used by search control // ---------------------------------------------------------------------------- @@ -71,11 +113,45 @@ public: style | wxNO_BORDER) { m_search = search; + m_defaultFG = GetForegroundColour(); // remove the default minsize, the searchctrl will have one instead SetSizeHints(wxDefaultCoord,wxDefaultCoord); } + void SetDescriptiveText(const wxString& text) + { + if ( GetValue() == m_descriptiveText ) + { + ChangeValue(wxEmptyString); + } + + m_descriptiveText = text; + } + + wxString GetDescriptiveText() const + { + return m_descriptiveText; + } + + + // 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); + } + + bool DoLoadFile(const wxString& file, int fileType) + { + return wxTextCtrl::DoLoadFile(file, fileType); + } + + bool DoSaveFile(const wxString& file, int fileType) + { + return wxTextCtrl::DoSaveFile(file, fileType); + } + protected: void OnText(wxCommandEvent& eventText) { @@ -101,8 +177,30 @@ protected: m_search->GetEventHandler()->ProcessEvent(event); } + void OnIdle(wxIdleEvent& WXUNUSED(event)) + { + if ( IsEmpty() && !(wxWindow::FindFocus() == this) ) + { + ChangeValue(m_descriptiveText); + SetInsertionPoint(0); + SetForegroundColour(wxStepColour(m_defaultFG, LIGHT_STEP)); + } + } + + void OnFocus(wxFocusEvent& event) + { + event.Skip(); + if ( GetValue() == m_descriptiveText ) + { + ChangeValue(wxEmptyString); + SetForegroundColour(m_defaultFG); + } + } + private: wxSearchCtrl* m_search; + wxString m_descriptiveText; + wxColour m_defaultFG; DECLARE_EVENT_TABLE() }; @@ -112,6 +210,8 @@ BEGIN_EVENT_TABLE(wxSearchTextCtrl, wxTextCtrl) 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() // ---------------------------------------------------------------------------- @@ -142,15 +242,25 @@ protected: wxCommandEvent event(m_eventType, m_search->GetId()); event.SetEventObject(m_search); + if ( m_eventType == wxEVT_COMMAND_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 ( m_eventType == wxEVT_COMMAND_SEARCHCTRL_SEARCH ) +#if wxUSE_MENUS + if ( m_eventType == wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN ) { // this happens automatically, just like on Mac OS X m_search->PopupSearchMenu(); } +#endif // wxUSE_MENUS } void OnPaint(wxPaintEvent&) @@ -174,8 +284,9 @@ BEGIN_EVENT_TABLE(wxSearchButton, wxControl) END_EVENT_TABLE() BEGIN_EVENT_TABLE(wxSearchCtrl, wxSearchCtrlBase) - EVT_SEARCHCTRL_SEARCH(wxID_ANY, wxSearchCtrl::OnSearchButton) + EVT_SEARCHCTRL_SEARCH_BTN(wxID_ANY, wxSearchCtrl::OnSearchButton) EVT_SET_FOCUS(wxSearchCtrl::OnSetFocus) + EVT_SIZE(wxSearchCtrl::OnSize) END_EVENT_TABLE() IMPLEMENT_DYNAMIC_CLASS(wxSearchCtrl, wxSearchCtrlBase) @@ -211,17 +322,21 @@ wxSearchCtrl::wxSearchCtrl(wxWindow *parent, wxWindowID id, void wxSearchCtrl::Init() { - m_text = 0; - m_searchButton = 0; - m_cancelButton = 0; - m_menu = 0; + m_text = NULL; + m_searchButton = NULL; + m_cancelButton = NULL; +#if wxUSE_MENUS + m_menu = NULL; +#endif // wxUSE_MENUS m_searchButtonVisible = true; m_cancelButtonVisible = false; - m_searchMenuBitmapUser = false; m_searchBitmapUser = false; m_cancelBitmapUser = false; +#if wxUSE_MENUS + m_searchMenuBitmapUser = false; +#endif // wxUSE_MENUS } bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id, @@ -232,17 +347,34 @@ bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id, const wxValidator& validator, const wxString& name) { - if ( !wxTextCtrlBase::Create(parent, id, pos, size, wxSIMPLE_BORDER | style, validator, name) ) + // force border style for more native appearance + style &= ~wxBORDER_MASK; +#ifdef __WXGTK__ + style |= wxBORDER_SUNKEN; +#elif defined(__WXMSW__) + // Don't set the style explicitly, let GetDefaultBorder() work it out, unless + // we will get a sunken border (e.g. on Windows 200) in which case we must + // override with a simple border. + if (GetDefaultBorder() == wxBORDER_SUNKEN) + style |= wxBORDER_SIMPLE; +#else + style |= wxBORDER_SIMPLE; +#endif + 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")); - wxSize sizeText = m_text->GetBestSize(); - - m_searchButton = new wxSearchButton(this,wxEVT_COMMAND_SEARCHCTRL_SEARCH,m_searchBitmap); - m_cancelButton = new wxSearchButton(this,wxEVT_COMMAND_SEARCHCTRL_CANCEL,m_cancelBitmap); + m_searchButton = new wxSearchButton(this, + wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN, + m_searchBitmap); + m_cancelButton = new wxSearchButton(this, + wxEVT_COMMAND_SEARCHCTRL_CANCEL_BTN, + m_cancelBitmap); SetForegroundColour( m_text->GetForegroundColour() ); m_searchButton->SetForegroundColour( m_text->GetForegroundColour() ); @@ -264,11 +396,15 @@ wxSearchCtrl::~wxSearchCtrl() delete m_text; delete m_searchButton; delete m_cancelButton; +#if wxUSE_MENUS delete m_menu; +#endif // wxUSE_MENUS } // search control specific interfaces +#if wxUSE_MENUS + void wxSearchCtrl::SetMenu( wxMenu* menu ) { if ( menu == m_menu ) @@ -276,20 +412,14 @@ void wxSearchCtrl::SetMenu( wxMenu* menu ) // no change return; } + bool hadMenu = (m_menu != NULL); delete m_menu; - bool hadMenu = (m_menu!=0); m_menu = menu; if ( m_menu && !hadMenu ) { m_searchButton->SetBitmapLabel(m_searchMenuBitmap); m_searchButton->Refresh(); - if ( !m_searchButtonVisible ) - { - // adding the menu will force the search button to be visible - wxRect rect = GetRect(); - LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight()); - } } else if ( !m_menu && hadMenu ) { @@ -298,12 +428,9 @@ void wxSearchCtrl::SetMenu( wxMenu* menu ) { m_searchButton->Refresh(); } - else - { - wxRect rect = GetRect(); - LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight()); - } } + wxRect rect = GetRect(); + LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight()); } wxMenu* wxSearchCtrl::GetMenu() @@ -311,6 +438,8 @@ wxMenu* wxSearchCtrl::GetMenu() return m_menu; } +#endif // wxUSE_MENUS + void wxSearchCtrl::ShowSearchButton( bool show ) { if ( m_searchButtonVisible == show ) @@ -352,6 +481,15 @@ bool wxSearchCtrl::IsCancelButtonVisible() const return m_cancelButtonVisible; } +void wxSearchCtrl::SetDescriptiveText(const wxString& text) +{ + m_text->SetDescriptiveText(text); +} + +wxString wxSearchCtrl::GetDescriptiveText() const +{ + return m_text->GetDescriptiveText(); +} // ---------------------------------------------------------------------------- // geometry @@ -364,7 +502,7 @@ wxSize wxSearchCtrl::DoGetBestSize() const wxSize sizeCancel(0,0); int searchMargin = 0; int cancelMargin = 0; - if ( m_searchButtonVisible || m_menu ) + if ( m_searchButtonVisible || HasMenu() ) { sizeSearch = m_searchButton->GetBestSize(); searchMargin = MARGIN; @@ -392,19 +530,24 @@ void wxSearchCtrl::DoMoveWindow(int x, int y, int width, int height) void wxSearchCtrl::LayoutControls(int x, int y, int width, int height) { + if ( !m_text ) + return; + wxSize sizeText = m_text->GetBestSize(); // make room for the search menu & clear button - int horizontalBorder = 1 + ( sizeText.y - sizeText.y * 14 / 21 ) / 2; + int horizontalBorder = ( sizeText.y - sizeText.y * 14 / 21 ) / 2; x += horizontalBorder; 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); int searchMargin = 0; int cancelMargin = 0; - if ( m_searchButtonVisible || m_menu ) + if ( m_searchButtonVisible || HasMenu() ) { sizeSearch = m_searchButton->GetBestSize(); searchMargin = MARGIN; @@ -414,7 +557,7 @@ void wxSearchCtrl::LayoutControls(int x, int y, int width, int height) sizeCancel = m_cancelButton->GetBestSize(); cancelMargin = MARGIN; } - m_searchButton->Show( m_searchButtonVisible || m_menu ); + m_searchButton->Show( m_searchButtonVisible || HasMenu() ); m_cancelButton->Show( m_cancelButtonVisible ); if ( sizeSearch.x + sizeCancel.x > width ) @@ -424,29 +567,32 @@ void wxSearchCtrl::LayoutControls(int x, int y, int width, int height) searchMargin = 0; cancelMargin = 0; } - wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin; + wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin - 1; + if (textWidth < 0) textWidth = 0; // position the subcontrols inside the client area - m_searchButton->SetSize(x, y + ICON_OFFSET, sizeSearch.x, height); - m_text->SetSize(x + sizeSearch.x + searchMargin, y + ICON_OFFSET, textWidth, height); + m_searchButton->SetSize(x, y + ICON_OFFSET - 1, sizeSearch.x, height); + m_text->SetSize( x + sizeSearch.x + searchMargin, + y + ICON_OFFSET - BORDER, + textWidth, + height); m_cancelButton->SetSize(x + sizeSearch.x + searchMargin + textWidth + cancelMargin, - y + ICON_OFFSET, sizeCancel.x, height); + y + ICON_OFFSET - 1, sizeCancel.x, height); } // accessors // --------- -wxString wxSearchCtrl::GetValue() const +wxString wxSearchCtrl::DoGetValue() const { - return m_text->GetValue(); -} -void wxSearchCtrl::SetValue(const wxString& value) -{ - m_text->SetValue(value); + wxString value = m_text->GetValue(); + if (value == m_text->GetDescriptiveText()) + return wxEmptyString; + else + return value; } - wxString wxSearchCtrl::GetRange(long from, long to) const { return m_text->GetRange(from, to); @@ -668,7 +814,7 @@ long wxSearchCtrl::GetInsertionPoint() const { return m_text->GetInsertionPoint(); } -wxTextPos wxSearchCtrl::GetLastPosition() const +long wxSearchCtrl::GetLastPosition() const { return m_text->GetLastPosition(); } @@ -692,7 +838,7 @@ bool wxSearchCtrl::SetFont(const wxFont& font) bool result = wxSearchCtrlBase::SetFont(font); if ( result && m_text ) { - result &= m_text->SetFont(font); + result = m_text->SetFont(font); } RecalcBitmaps(); return result; @@ -705,7 +851,7 @@ void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap ) m_searchBitmapUser = bitmap.Ok(); if ( m_searchBitmapUser ) { - if ( m_searchButton && !m_menu ) + if ( m_searchButton && !HasMenu() ) { m_searchButton->SetBitmapLabel( m_searchBitmap ); } @@ -717,6 +863,8 @@ void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap ) } } +#if wxUSE_MENUS + void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap ) { m_searchMenuBitmap = bitmap; @@ -735,6 +883,8 @@ void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap ) } } +#endif // wxUSE_MENUS + void wxSearchCtrl::SetCancelBitmap( const wxBitmap& bitmap ) { m_cancelBitmap = bitmap; @@ -772,9 +922,17 @@ wxTextCtrl& operator<<(const wxChar c); 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 @@ -809,7 +967,7 @@ static int GetMultiplier() wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop ) { wxColour bg = GetBackgroundColour(); - wxColour fg = GetForegroundColour(); + wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP-20); //=============================================================================== // begin drawing code @@ -890,6 +1048,7 @@ wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop ) }; mem.DrawPolygon(WXSIZEOF(dropPolygon),dropPolygon,multiplier*triangleX,multiplier*triangleY); } + mem.SelectObject(wxNullBitmap); //=============================================================================== // end drawing code @@ -901,6 +1060,11 @@ wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop ) image.Rescale(x,y); bitmap = wxBitmap( image ); } + if ( !renderDrop ) + { + // Trim the edge where the arrow would have gone + bitmap = bitmap.GetSubBitmap(wxRect(0,0, y,y)); + } return bitmap; } @@ -908,7 +1072,7 @@ wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop ) wxBitmap wxSearchCtrl::RenderCancelBitmap( int x, int y ) { wxColour bg = GetBackgroundColour(); - wxColour fg = GetForegroundColour(); + wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP); //=============================================================================== // begin drawing code @@ -1010,7 +1174,7 @@ void wxSearchCtrl::RecalcBitmaps() ) { m_searchBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,false); - if ( !m_menu ) + if ( !HasMenu() ) { m_searchButton->SetBitmapLabel(m_searchBitmap); } @@ -1018,6 +1182,7 @@ void wxSearchCtrl::RecalcBitmaps() // else this bitmap was set by user, don't alter } +#if wxUSE_MENUS if ( !m_searchMenuBitmapUser ) { if ( @@ -1034,6 +1199,7 @@ void wxSearchCtrl::RecalcBitmaps() } // else this bitmap was set by user, don't alter } +#endif // wxUSE_MENUS if ( !m_cancelBitmapUser ) { @@ -1043,7 +1209,7 @@ void wxSearchCtrl::RecalcBitmaps() m_cancelBitmap.GetWidth() != bitmapHeight ) { - m_cancelBitmap = RenderCancelBitmap(bitmapHeight-BORDER,bitmapHeight-BORDER); // square + m_cancelBitmap = RenderCancelBitmap(bitmapHeight-BORDER-1,bitmapHeight-BORDER-1); // square m_cancelButton->SetBitmapLabel(m_cancelBitmap); } // else this bitmap was set by user, don't alter @@ -1063,6 +1229,15 @@ void wxSearchCtrl::OnSetFocus( wxFocusEvent& /*event*/ ) } } +void wxSearchCtrl::OnSize( wxSizeEvent& WXUNUSED(event) ) +{ + int width, height; + GetSize(&width, &height); + LayoutControls(0, 0, width, height); +} + +#if wxUSE_MENUS + void wxSearchCtrl::PopupSearchMenu() { if ( m_menu ) @@ -1072,6 +1247,8 @@ void wxSearchCtrl::PopupSearchMenu() } } +#endif // wxUSE_MENUS + #endif // !wxUSE_NATIVE_SEARCH_CONTROL #endif // wxUSE_SEARCHCTRL