X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3c17b4013e80b99976c750c19fca47729517f6..c29c95fe24973b94fd724db767193171ca7c513d:/interface/wx/slider.h?ds=sidebyside diff --git a/interface/wx/slider.h b/interface/wx/slider.h index 5d20acb9fc..882c8bcb2b 100644 --- a/interface/wx/slider.h +++ b/interface/wx/slider.h @@ -3,15 +3,14 @@ // Purpose: interface of wxSlider // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @class wxSlider - @wxheader{slider.h} - A slider is a control with a handle which can be pulled - back and forth to change the value. + A slider is a control with a handle which can be pulled back and forth to + change the value. On Windows, the track bar control is used. @@ -23,9 +22,14 @@ @style{wxSL_VERTICAL} Displays the slider vertically. @style{wxSL_AUTOTICKS} - Displays tick marks. + Displays tick marks. Windows only. + @style{wxSL_MIN_MAX_LABELS} + Displays minimum, maximum labels (new since wxWidgets 2.9.1). + @style{wxSL_VALUE_LABEL} + Displays value label (new since wxWidgets 2.9.1). @style{wxSL_LABELS} - Displays minimum, maximum and value labels. + Displays minimum, maximum and value labels (same as wxSL_VALUE_LABEL + and wxSL_MIN_MAX_LABELS together). @style{wxSL_LEFT} Displays ticks on the left and forces the slider to be vertical. @style{wxSL_RIGHT} @@ -37,15 +41,88 @@ @style{wxSL_SELRANGE} Allows the user to select a range on the slider. Windows only. @style{wxSL_INVERSE} - Inverses the mininum and maximum endpoints on the slider. Not + Inverses the minimum and maximum endpoints on the slider. Not compatible with wxSL_SELRANGE. @endStyleTable + Notice that @c wxSL_LEFT, @c wxSL_TOP, @c wxSL_RIGHT and @c wxSL_BOTTOM + specify the position of the slider ticks in MSW implementation and that the + slider labels, if any, are positioned on the opposite side. So, to have a + label on the left side of a vertical slider, @b wxSL_RIGHT must be used (or + none of these styles at all should be specified as left and top are default + positions for the vertical and horizontal sliders respectively). + + @beginEventEmissionTable{wxScrollEvent} + You can use EVT_COMMAND_SCROLL... macros with window IDs for when intercepting + scroll events from controls, or EVT_SCROLL... macros without window IDs for + intercepting scroll events from the receiving window -- except for this, + the macros behave exactly the same. + @event{EVT_SCROLL(func)} + Process all scroll events. + @event{EVT_SCROLL_TOP(func)} + Process @c wxEVT_SCROLL_TOP scroll-to-top events (minimum position). + @event{EVT_SCROLL_BOTTOM(func)} + Process @c wxEVT_SCROLL_BOTTOM scroll-to-bottom events (maximum position). + @event{EVT_SCROLL_LINEUP(func)} + Process @c wxEVT_SCROLL_LINEUP line up events. + @event{EVT_SCROLL_LINEDOWN(func)} + Process @c wxEVT_SCROLL_LINEDOWN line down events. + @event{EVT_SCROLL_PAGEUP(func)} + Process @c wxEVT_SCROLL_PAGEUP page up events. + @event{EVT_SCROLL_PAGEDOWN(func)} + Process @c wxEVT_SCROLL_PAGEDOWN page down events. + @event{EVT_SCROLL_THUMBTRACK(func)} + Process @c wxEVT_SCROLL_THUMBTRACK thumbtrack events + (frequent events sent as the user drags the thumbtrack). + @event{EVT_SCROLL_THUMBRELEASE(func)} + Process @c wxEVT_SCROLL_THUMBRELEASE thumb release events. + @event{EVT_SCROLL_CHANGED(func)} + Process @c wxEVT_SCROLL_CHANGED end of scrolling events (MSW only). + @event{EVT_COMMAND_SCROLL(id, func)} + Process all scroll events. + @event{EVT_COMMAND_SCROLL_TOP(id, func)} + Process @c wxEVT_SCROLL_TOP scroll-to-top events (minimum position). + @event{EVT_COMMAND_SCROLL_BOTTOM(id, func)} + Process @c wxEVT_SCROLL_BOTTOM scroll-to-bottom events (maximum position). + @event{EVT_COMMAND_SCROLL_LINEUP(id, func)} + Process @c wxEVT_SCROLL_LINEUP line up events. + @event{EVT_COMMAND_SCROLL_LINEDOWN(id, func)} + Process @c wxEVT_SCROLL_LINEDOWN line down events. + @event{EVT_COMMAND_SCROLL_PAGEUP(id, func)} + Process @c wxEVT_SCROLL_PAGEUP page up events. + @event{EVT_COMMAND_SCROLL_PAGEDOWN(id, func)} + Process @c wxEVT_SCROLL_PAGEDOWN page down events. + @event{EVT_COMMAND_SCROLL_THUMBTRACK(id, func)} + Process @c wxEVT_SCROLL_THUMBTRACK thumbtrack events + (frequent events sent as the user drags the thumbtrack). + @event{EVT_COMMAND_SCROLL_THUMBRELEASE(func)} + Process @c wxEVT_SCROLL_THUMBRELEASE thumb release events. + @event{EVT_COMMAND_SCROLL_CHANGED(func)} + Process @c wxEVT_SCROLL_CHANGED end of scrolling events (MSW only). + @event{EVT_SLIDER(id, func)} + Process @c wxEVT_COMMAND_SLIDER_UPDATED which is generated after any + change of wxSlider position in addition to one of the events above. + @endEventTable + + @section slider_diff The difference between EVT_SCROLL_THUMBRELEASE and EVT_SCROLL_CHANGED + + The EVT_SCROLL_THUMBRELEASE event is only emitted when actually dragging the + thumb using the mouse and releasing it (This EVT_SCROLL_THUMBRELEASE event + is also followed by an EVT_SCROLL_CHANGED event). + + The EVT_SCROLL_CHANGED event also occurs when using the keyboard to change + the thumb position, and when clicking next to the thumb + (In all these cases the EVT_SCROLL_THUMBRELEASE event does not happen). + In short, the EVT_SCROLL_CHANGED event is triggered when scrolling/ moving + has finished independently of the way it had started. + Please see the widgets sample ("Slider" page) to see the difference between + EVT_SCROLL_THUMBRELEASE and EVT_SCROLL_CHANGED in action. + @library{wxcore} @category{ctrl} - + @appearance{slider.png} - @see @ref overview_eventhandlingoverview, wxScrollBar + @see @ref overview_events, wxScrollBar */ class wxSlider : public wxControl { @@ -54,7 +131,7 @@ public: Default constructor */ wxSlider(); - + /** Constructor, creating and showing a slider. @@ -68,9 +145,12 @@ public: Minimum slider position. @param maxValue Maximum slider position. + @param pos + Window position. + If ::wxDefaultPosition is specified then a default position is chosen. @param size - Window size. If wxDefaultSize is specified then a default size - is chosen. + Window size. + If ::wxDefaultSize is specified then a default size is chosen. @param style Window style. See wxSlider. @param validator @@ -82,124 +162,122 @@ public: */ wxSlider(wxWindow* parent, wxWindowID id, int value, int minValue, int maxValue, - const wxPoint& point = wxDefaultPosition, + const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxSL_HORIZONTAL, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "slider"); + const wxString& name = wxSliderNameStr); /** Destructor, destroying the slider. */ - ~wxSlider(); + virtual ~wxSlider(); /** Clears the selection, for a slider with the @b wxSL_SELRANGE style. - @remarks Windows 95 only. + @onlyfor{wxmsw} */ - void ClearSel(); + virtual void ClearSel(); /** Clears the ticks. - @remarks Windows 95 only. + @onlyfor{wxmsw} */ - void ClearTicks(); + virtual void ClearTicks(); /** - Used for two-step slider construction. See wxSlider() - for further details. + Used for two-step slider construction. + See wxSlider() for further details. */ - bool Create(wxWindow* parent, wxWindowID id, int value, - int minValue, int maxValue, - const wxPoint& point = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = wxSL_HORIZONTAL, + bool Create(wxWindow* parent, wxWindowID id, int value, int minValue, + int maxValue, const wxPoint& point = wxDefaultPosition, + const wxSize& size = wxDefaultSize, long style = wxSL_HORIZONTAL, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "slider"); + const wxString& name = wxSliderNameStr); /** Returns the line size. @see SetLineSize() */ - int GetLineSize() const; + virtual int GetLineSize() const; /** Gets the maximum slider value. @see GetMin(), SetRange() */ - int GetMax() const; + virtual int GetMax() const; /** Gets the minimum slider value. @see GetMin(), SetRange() */ - int GetMin() const; + virtual int GetMin() const; /** Returns the page size. @see SetPageSize() */ - int GetPageSize() const; + virtual int GetPageSize() const; /** Returns the selection end point. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see GetSelStart(), SetSelection() */ - int GetSelEnd() const; + virtual int GetSelEnd() const; /** Returns the selection start point. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see GetSelEnd(), SetSelection() */ - int GetSelStart() const; + virtual int GetSelStart() const; /** Returns the thumb length. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see SetThumbLength() */ - int GetThumbLength() const; + virtual int GetThumbLength() const; /** Returns the tick frequency. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see SetTickFreq() */ - int GetTickFreq() const; + virtual int GetTickFreq() const; /** Gets the current slider value. @see GetMin(), GetMax(), SetValue() */ - int GetValue() const; + virtual int GetValue() const; /** Sets the line size for the slider. @param lineSize - The number of steps the slider moves when the user moves it up or down a - line. + The number of steps the slider moves when the user moves it up + or down a line. @see GetLineSize() */ - void SetLineSize(int lineSize); + virtual void SetLineSize(int lineSize); /** Sets the page size for the slider. @@ -209,14 +287,14 @@ public: @see GetPageSize() */ - void SetPageSize(int pageSize); + virtual void SetPageSize(int pageSize); /** Sets the minimum and maximum slider values. @see GetMin(), GetMax() */ - void SetRange(int minValue, int maxValue); + virtual void SetRange(int minValue, int maxValue); /** Sets the selection. @@ -226,11 +304,11 @@ public: @param endPos The selection end position. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see GetSelStart(), GetSelEnd() */ - void SetSelection(int startPos, int endPos); + virtual void SetSelection(int startPos, int endPos); /** Sets the slider thumb length. @@ -238,11 +316,11 @@ public: @param len The thumb length. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see GetThumbLength() */ - void SetThumbLength(int len); + virtual void SetThumbLength(int len); /** Sets a tick position. @@ -250,27 +328,24 @@ public: @param tickPos The tick position. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see SetTickFreq() */ - void SetTick(int tickPos); + virtual void SetTick(int tickPos); /** Sets the tick mark frequency and position. @param n Frequency. For example, if the frequency is set to two, a tick mark is - displayed for - every other increment in the slider's range. - @param pos - Position. Must be greater than zero. TODO: what is this for? + displayed for every other increment in the slider's range. - @remarks Windows 95 only. + @onlyfor{wxmsw} @see GetTickFreq() */ - void SetTickFreq(int n, int pos); + virtual void SetTickFreq(int n); /** Sets the slider position. @@ -278,6 +353,6 @@ public: @param value The slider position. */ - void SetValue(int value); + virtual void SetValue(int value); };