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Diffstat (limited to 'fltk/fltk/TabGroup.h')
| -rw-r--r-- | fltk/fltk/TabGroup.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/fltk/fltk/TabGroup.h b/fltk/fltk/TabGroup.h new file mode 100644 index 0000000..b6810f5 --- /dev/null +++ b/fltk/fltk/TabGroup.h @@ -0,0 +1,141 @@ +// +// "$Id: TabGroup.h 5575 2007-01-02 17:31:40Z spitzak $" +// +// For making a "tabbed dialog box". Each child widget creates a tab. +// Only one is visible at a time. This works best if all the children +// have the same size and they don't cover a strip at the top for the +// tabs. +// +// Copyright 1998-2006 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems to "fltk-bugs@fltk.org". +// + +#ifndef fltk_TabGroup_h +#define fltk_TabGroup_h + +#include "Group.h" + +#define MIN_TABSIZE 30 + +namespace fltk { + +class TabGroup; + + +enum {TAB_LEFT, TAB_RIGHT, TAB_SELECTED}; + +class FL_API TabGroupPager { +public: + + TabGroupPager() : shift_(0), border_(10), slope_(5), extra_space_(5),_noclip(false) {} + + /* Pager template methods definition */ + + /*! this method must update the tab positions and width array, returns the selected tab */ + virtual int update_positions(TabGroup* g, int numchildren, int& selected, + int& cumulated_width, int& available_width , int* tab_pos, int* tab_width) { return selected;} + /*! draw the tabs for this custom pager, return false means no custom draw is made */ + virtual bool draw_tabs(TabGroup* g, int selected, int* tab_pos, int* tab_width) { return false;} + /*! determine and return the index of the child group at the corresponding pos */ + virtual int which(TabGroup* g, int m_x,int m_y)=0; + /*! virtual copy from a prototype */ + virtual TabGroupPager* clone() const=0; + + virtual const char * mode_name() const = 0; + virtual int id() const = 0; + + /*! return max width available for drawing tab thumbnails */ + virtual int available_width(TabGroup *g ) const; + + // tab appearance + int border() const {return border_;} + int slope() const {return slope_;} + int extra_space() const {return extra_space_;} + void border(int v) {border_=v;} + void slope(int v) {slope_=v;} + void extra_space(int v) {extra_space_=v;} + + /*! shifting to nth+1 tab to draw, permit to 'keep' a position while + changing tabs and tab is in the interval + */ + int shift() const {return shift_;} + void shift(int v) {shift_=v;} + int spacing() const {return slope_+extra_space_;} + /*! determines if we forbid partial tabs drawing with clipping */ + void noclip(bool v) {_noclip=v;} + +private: + int shift_, border_, slope_, extra_space_; + bool _noclip; + +}; + +// fltk default factory pagers +const int PAGER_MENU = 0; //<-- two left and right buttons provide prev page and next page +const int PAGER_SHRINK = 1; //<-- tabs outside rect are shrinked to very small slice to fit + + +class FL_API TabGroup : public Group { + +public: + int handle(int); + + TabGroup(int,int,int,int,const char * = 0, bool begin=false); + ~TabGroup() {delete pager_;} + static NamedStyle* default_style; + + int value() const; + bool value(int); + int which(int event_x, int event_y); + Widget *selected_child(); + bool selected_child(Widget *); + void set_draw_outline( bool draw_outline ); + + //! setting the pager_ to a tabgroup, pager is _never_ null by design + void pager(TabGroupPager * value); + //! returning the current pager_ responsible of this instance + TabGroupPager * pager() const {return pager_;} + //! setting the default pager_ for future tabgroups, a default pager is _never_ null by design + static void default_pager(TabGroupPager * v); + //! setting the default pager_ from the built-in ones + static void default_pager(int factory_pager_index); + + int tab_height(); + int tab_positions(int*, int*); + + void draw_tab(int x1, int x2, int W, int H, Widget* o, int sel=0); + void draw_tab_background(); + +protected: + void draw(); + +private: + int push(Widget *); + bool _drawOutline; + TabGroupPager* pager_; + static TabGroupPager* default_pager_; +}; + +} + +#endif + +// +// End of "$Id: TabGroup.h 5575 2007-01-02 17:31:40Z spitzak $". +// |