X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bdb7278a27d12c030edd59307b09103e5ade1501..8a28cd66a63ce30c75173e10948e9d49d366d218:/src/generic/srchctlg.cpp?ds=inline diff --git a/src/generic/srchctlg.cpp b/src/generic/srchctlg.cpp index 49b469f033..f965b5de4a 100644 --- a/src/generic/srchctlg.cpp +++ b/src/generic/srchctlg.cpp @@ -5,7 +5,7 @@ // Created: 2006-02-19 // RCS-ID: $Id$ // Copyright: Vince Harron -// License: wxWindows licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx.h". @@ -50,55 +50,6 @@ 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 // ---------------------------------------------------------------------------- @@ -110,31 +61,22 @@ class wxSearchTextCtrl : public wxTextCtrl 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); - } - void SetDescriptiveText(const wxString& text) - { - if ( GetValue() == m_descriptiveText ) - { - ChangeValue(wxEmptyString); - } + SetHint(_("Search")); - m_descriptiveText = text; + // Ensure that our best size is recomputed using our overridden + // DoGetBestSize(). + InvalidateBestSize(); } - wxString GetDescriptiveText() const + virtual wxWindow* GetMainWindowOfCompositeControl() { - return m_descriptiveText; + return m_search; } - // provide access to the base class protected methods to wxSearchCtrl which // needs to forward to them void DoSetValue(const wxString& value, int flags) @@ -177,30 +119,34 @@ 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(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() }; @@ -210,8 +156,6 @@ 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() // ---------------------------------------------------------------------------- @@ -228,8 +172,24 @@ public: 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 @@ -242,12 +202,20 @@ protected: 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(); @@ -276,7 +244,7 @@ BEGIN_EVENT_TABLE(wxSearchButton, wxControl) 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() @@ -358,23 +326,16 @@ bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id, 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(); @@ -475,12 +436,12 @@ bool wxSearchCtrl::IsCancelButtonVisible() const 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(); } // ---------------------------------------------------------------------------- @@ -532,6 +493,8 @@ void wxSearchCtrl::LayoutControls(int x, int y, int width, int height) 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); @@ -558,6 +521,7 @@ void wxSearchCtrl::LayoutControls(int x, int y, int width, int height) cancelMargin = 0; } wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin - 1; + if (textWidth < 0) textWidth = 0; // position the subcontrols inside the client area @@ -570,23 +534,22 @@ void wxSearchCtrl::LayoutControls(int x, int y, int width, int height) 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; + return m_text->GetValue(); } -void wxSearchCtrl::SetValue(const wxString& value) -{ - m_text->SetValue(value); -} - wxString wxSearchCtrl::GetRange(long from, long to) const { return m_text->GetRange(from, to); @@ -808,7 +771,7 @@ long wxSearchCtrl::GetInsertionPoint() const { return m_text->GetInsertionPoint(); } -wxTextPos wxSearchCtrl::GetLastPosition() const +long wxSearchCtrl::GetLastPosition() const { return m_text->GetLastPosition(); } @@ -829,20 +792,32 @@ void wxSearchCtrl::SetEditable(bool editable) 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() ) @@ -862,7 +837,7 @@ void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap ) 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 ) @@ -882,7 +857,7 @@ void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap ) void wxSearchCtrl::SetCancelBitmap( const wxBitmap& bitmap ) { m_cancelBitmap = bitmap; - m_cancelBitmapUser = bitmap.Ok(); + m_cancelBitmapUser = bitmap.IsOk(); if ( m_cancelBitmapUser ) { if ( m_cancelButton ) @@ -961,7 +936,7 @@ static int GetMultiplier() 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 @@ -1066,7 +1041,7 @@ wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop ) 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 @@ -1162,7 +1137,7 @@ void wxSearchCtrl::RecalcBitmaps() if ( !m_searchBitmapUser ) { if ( - !m_searchBitmap.Ok() || + !m_searchBitmap.IsOk() || m_searchBitmap.GetHeight() != bitmapHeight || m_searchBitmap.GetWidth() != bitmapWidth ) @@ -1180,7 +1155,7 @@ void wxSearchCtrl::RecalcBitmaps() if ( !m_searchMenuBitmapUser ) { if ( - !m_searchMenuBitmap.Ok() || + !m_searchMenuBitmap.IsOk() || m_searchMenuBitmap.GetHeight() != bitmapHeight || m_searchMenuBitmap.GetWidth() != bitmapWidth ) @@ -1198,7 +1173,7 @@ void wxSearchCtrl::RecalcBitmaps() if ( !m_cancelBitmapUser ) { if ( - !m_cancelBitmap.Ok() || + !m_cancelBitmap.IsOk() || m_cancelBitmap.GetHeight() != bitmapHeight || m_cancelBitmap.GetWidth() != bitmapHeight ) @@ -1210,8 +1185,9 @@ void wxSearchCtrl::RecalcBitmaps() } } -void wxSearchCtrl::OnSearchButton( wxCommandEvent& event ) +void wxSearchCtrl::OnCancelButton( wxCommandEvent& event ) { + m_text->Clear(); event.Skip(); }