/[svn]/gigedit/trunk/src/gigedit/paramedit.h
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revision 2169 by persson, Sun Mar 6 07:51:04 2011 UTC revision 3364 by schoenebeck, Tue Nov 14 18:07:25 2017 UTC
# Line 1  Line 1 
1  /*                                                         -*- c++ -*-  /*                                                         -*- c++ -*-
2   * Copyright (C) 2006-2011 Andreas Persson   * Copyright (C) 2006-2017 Andreas Persson
3   *   *
4   * This program is free software; you can redistribute it and/or   * This program is free software; you can redistribute it and/or
5   * modify it under the terms of the GNU General Public License as   * modify it under the terms of the GNU General Public License as
# Line 20  Line 20 
20  #ifndef GIGEDIT_PARAMEDIT_H  #ifndef GIGEDIT_PARAMEDIT_H
21  #define GIGEDIT_PARAMEDIT_H  #define GIGEDIT_PARAMEDIT_H
22    
23  #include <gig.h>  #ifdef LIBGIG_HEADER_FILE
24    # include LIBGIG_HEADER_FILE(gig.h)
25    #else
26    # include <gig.h>
27    #endif
28    
29  #include <cmath>  #include <cmath>
30    
31  #include <gtkmm/adjustment.h>  #include "compat.h"
32  #include <gtkmm/alignment.h>  
33    #include <glibmm/convert.h>
34  #include <gtkmm/box.h>  #include <gtkmm/box.h>
35    #include <gtkmm/adjustment.h>
36    #if HAS_GTKMM_ALIGNMENT
37    # include <gtkmm/alignment.h>
38    #endif
39  #include <gtkmm/checkbutton.h>  #include <gtkmm/checkbutton.h>
40  #include <gtkmm/comboboxtext.h>  #include <gtkmm/comboboxtext.h>
41  #include <gtkmm/frame.h>  #include <gtkmm/frame.h>
42  #include <gtkmm/label.h>  #include <gtkmm/label.h>
43  #include <gtkmm/scale.h>  #include <gtkmm/scale.h>
44  #include <gtkmm/spinbutton.h>  #include <gtkmm/spinbutton.h>
45    #if USE_GTKMM_GRID
46    # include <gtkmm/grid.h>
47    #else
48    # include <gtkmm/table.h>
49    #endif
50  #include <gtkmm/textview.h>  #include <gtkmm/textview.h>
51    
52  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 12) || GTKMM_MAJOR_VERSION < 2  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 12) || GTKMM_MAJOR_VERSION < 2
# Line 40  Line 54 
54  #include <gtkmm/tooltips.h>  #include <gtkmm/tooltips.h>
55  #endif  #endif
56    
57    int note_value(const Glib::ustring& note);
58    Glib::ustring note_str(int note);
59    
60    void spin_button_show_notes(Gtk::SpinButton& spin_button);
61    
62  class LabelWidget {  class LabelWidget {
63  public:  public:
64      Gtk::Label label;      Gtk::Label label;
# Line 57  protected: Line 76  protected:
76      sigc::signal<void> sig_changed;      sigc::signal<void> sig_changed;
77  };  };
78    
79    class ReadOnlyLabelWidget : public LabelWidget {
80    public:
81        Gtk::Label text;
82    
83        ReadOnlyLabelWidget(const char* leftHandText);
84        ReadOnlyLabelWidget(const char* leftHandText, const char* rightHandText);
85    };
86    
87  class NumEntry : public LabelWidget {  class NumEntry : public LabelWidget {
88  protected:  protected:
89  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
# Line 64  protected: Line 91  protected:
91  #else  #else
92      Glib::RefPtr<Gtk::Adjustment> adjust;      Glib::RefPtr<Gtk::Adjustment> adjust;
93  #endif  #endif
94      Gtk::HScale scale;      HScale scale;
95      Gtk::SpinButton spinbutton;      Gtk::SpinButton spinbutton;
96      Gtk::HBox box;      HBox box;
97    
98      int round_to_int(double x) {      static int round_to_int(double x) {
99          return int(x < 0.0 ? x - 0.5 : x + 0.5);          return int(x < 0.0 ? x - 0.5 : x + 0.5);
100      }      }
101  public:  public:
# Line 180  template<typename T> Line 207  template<typename T>
207  class ChoiceEntry : public LabelWidget {  class ChoiceEntry : public LabelWidget {
208  private:  private:
209      Gtk::ComboBoxText combobox;      Gtk::ComboBoxText combobox;
210    #if HAS_GTKMM_ALIGNMENT
211      Gtk::Alignment align;      Gtk::Alignment align;
212    #endif
213      const T* values;      const T* values;
214  public:  public:
215      ChoiceEntry(const char* labelText);      ChoiceEntry(const char* labelText);
# Line 199  public: Line 228  public:
228    
229  template<typename T>  template<typename T>
230  ChoiceEntry<T>::ChoiceEntry(const char* labelText) :  ChoiceEntry<T>::ChoiceEntry(const char* labelText) :
231    #if HAS_GTKMM_ALIGNMENT
232      LabelWidget(labelText, align),      LabelWidget(labelText, align),
233      align(0, 0, 0, 0)      align(0, 0, 0, 0),
234    #else
235        LabelWidget(labelText, combobox),
236    #endif
237        values(0)
238  {  {
239      combobox.signal_changed().connect(sig_changed.make_slot());      combobox.signal_changed().connect(sig_changed.make_slot());
240    #if HAS_GTKMM_ALIGNMENT
241      align.add(combobox);      align.add(combobox);
242    #endif
243  }  }
244    
245  template<typename T>  template<typename T>
246  void ChoiceEntry<T>::set_choices(const char** texts, const T* values)  void ChoiceEntry<T>::set_choices(const char** texts, const T* values)
247  {  {
248      for (int i = 0 ; texts[i] ; i++) {      for (int i = 0 ; texts[i] ; i++) {
249  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 24) || GTKMM_MAJOR_VERSION < 2
250          combobox.append_text(texts[i]);          combobox.append_text(texts[i]);
251  #else  #else
252          combobox.append(texts[i]);          combobox.append(texts[i]);
# Line 242  class ChoiceEntryLeverageCtrl : public L Line 278  class ChoiceEntryLeverageCtrl : public L
278  private:  private:
279      gig::leverage_ctrl_t value;      gig::leverage_ctrl_t value;
280      Gtk::ComboBoxText combobox;      Gtk::ComboBoxText combobox;
281    #if HAS_GTKMM_ALIGNMENT
282      Gtk::Alignment align;      Gtk::Alignment align;
283    #endif
284      void value_changed();      void value_changed();
285  public:  public:
286      ChoiceEntryLeverageCtrl(const char* labelText);      ChoiceEntryLeverageCtrl(const char* labelText);
287      gig::leverage_ctrl_t get_value() const { return value; }      gig::leverage_ctrl_t get_value() const { return value; }
288      void set_value(gig::leverage_ctrl_t value);      void set_value(gig::leverage_ctrl_t value);
289        void set_tip(const Glib::ustring& tip_text) {
290            combobox.set_tooltip_text(tip_text);
291        }
292  };  };
293    
294    
# Line 268  public: Line 309  public:
309      }      }
310  };  };
311    
312    class BoolBox : public Gtk::CheckButton {
313    public:
314        BoolBox(const char* labelText) : Gtk::CheckButton(labelText) {
315            signal_toggled().connect(sig_changed.make_slot());
316        }
317        bool get_value() const { return get_active(); }
318        void set_value(bool value) { set_active(value); }
319        sigc::signal<void>& signal_value_changed() { return sig_changed; }
320    protected:
321        sigc::signal<void> sig_changed;
322    };
323    
324    
325  class BoolEntryPlus6 : public LabelWidget {  class BoolEntryPlus6 : public LabelWidget {
326  private:  private:
# Line 281  public: Line 334  public:
334      void set_value(int32_t value);      void set_value(int32_t value);
335  };  };
336    
337    
338  class StringEntry : public LabelWidget {  class StringEntry : public LabelWidget {
339  private:  private:
340      Gtk::Entry entry;      Gtk::Entry entry;
341  public:  public:
342      StringEntry(const char* labelText);      StringEntry(const char* labelText);
343      gig::String get_value() const { return entry.get_text(); }      gig::String get_value() const;
344      void set_value(gig::String value) { entry.set_text(value); }      void set_value(const gig::String& value);
345      void set_width_chars(int n_chars) { entry.set_width_chars(n_chars); }      void set_width_chars(int n_chars) { entry.set_width_chars(n_chars); }
346  };  };
347    
# Line 299  private: Line 353  private:
353  public:  public:
354      StringEntryMultiLine(const char* labelText);      StringEntryMultiLine(const char* labelText);
355      gig::String get_value() const;      gig::String get_value() const;
356      void set_value(gig::String value);      void set_value(const gig::String& value);
357  };  };
358    
359    
360    /**
361     * Container widget for LabelWidgets.
362     */
363    class Table :
364    #if USE_GTKMM_GRID
365        public Gtk::Grid
366    #else
367        public Gtk::Table
368    #endif
369    {
370    public:
371        Table(int x, int y);
372        void add(BoolEntry& boolentry);
373        void add(BoolEntryPlus6& boolentry);
374        void add(LabelWidget& labelwidget);
375    private:
376    #if USE_GTKMM_GRID
377        int cols;
378    #endif
379        int rowno;
380    };
381    
382    
383    /**
384     * Base class for editor components that use LabelWidgets to edit
385     * member variables of the same class. By connecting the widgets to
386     * members of the model class, the model is automatically kept
387     * updated.
388     */
389    template<class M>
390    class PropEditor {
391    public:
392        sigc::signal<void>& signal_changed() {
393            return sig_changed;
394        }
395    protected:
396        M* m;
397        int update_model; // to prevent infinite update loops
398        PropEditor() : m(0), update_model(0) { }
399        sigc::signal<void> sig_changed;
400    
401        template<class C, typename T>
402        void connect(C& widget, T M::* member) {
403            // gcc 4.1.2 needs this temporary variable to resolve the
404            // address
405            void (PropEditor::*f)(const C* w, T M::* member) =
406                &PropEditor::set_member;
407            widget.signal_value_changed().connect(
408                sigc::bind(sigc::mem_fun(*this, f), &widget, member));
409    
410            void (PropEditor::*g)(C* w, T M::* member) =
411                &PropEditor::get_member;
412            sig.connect(
413                sigc::bind(sigc::mem_fun(*this, g), &widget, member));
414        }
415    
416        template<class C, class S, typename T>
417        void connect(C& widget, void (S::*setter)(T)) {
418            void (PropEditor::*f)(const C* w, void (S::*setter)(T)) =
419                &PropEditor<M>::call_setter;
420            widget.signal_value_changed().connect(
421                sigc::bind(sigc::mem_fun(*this, f), &widget, setter));
422        }
423    
424        void connect(NoteEntry& eKeyRangeLow, NoteEntry& eKeyRangeHigh,
425                     gig::range_t M::* range) {
426            eKeyRangeLow.signal_value_changed().connect(
427                sigc::bind(
428                    sigc::mem_fun(*this, &PropEditor::key_range_low_changed),
429                    &eKeyRangeLow, &eKeyRangeHigh, range));
430            eKeyRangeHigh.signal_value_changed().connect(
431                sigc::bind(
432                    sigc::mem_fun(*this, &PropEditor::key_range_high_changed),
433                    &eKeyRangeLow, &eKeyRangeHigh, range));
434            sig.connect(
435                sigc::bind(sigc::mem_fun(*this, &PropEditor::get_key_range),
436                           &eKeyRangeLow, &eKeyRangeHigh, range));
437        }
438    
439        void update(M* m) {
440            update_model++;
441            this->m = m;
442            sig.emit();
443            update_model--;
444        }
445    
446    private:
447        sigc::signal<void> sig;
448    
449        void key_range_low_changed(NoteEntry* eKeyRangeLow,
450                                   NoteEntry* eKeyRangeHigh,
451                                   gig::range_t M::* range) {
452            if (update_model == 0) {
453                uint8_t value = eKeyRangeLow->get_value();
454                (m->*range).low = value;
455                if (value > (m->*range).high) {
456                    eKeyRangeHigh->set_value(value);
457                }
458                sig_changed();
459            }
460        }
461    
462        void key_range_high_changed(NoteEntry* eKeyRangeLow,
463                                    NoteEntry* eKeyRangeHigh,
464                                    gig::range_t M::* range) {
465            if (update_model == 0) {
466                uint8_t value = eKeyRangeHigh->get_value();
467                (m->*range).high = value;
468                if (value < (m->*range).low) {
469                    eKeyRangeLow->set_value(value);
470                }
471                sig_changed();
472            }
473        }
474    
475        template<class C, typename T>
476        void set_member(const C* w, T M::* member) {
477            if (update_model == 0) {
478                m->*member = w->get_value();
479                sig_changed();
480            }
481        }
482    
483        template<class C, typename T>
484        void get_member(C* w, T M::* member) {
485            w->set_value(m->*member);
486        }
487    
488        void get_key_range(NoteEntry* eKeyRangeLow,
489                           NoteEntry* eKeyRangeHigh,
490                           gig::range_t M::* range) const {
491            eKeyRangeLow->set_value((m->*range).low);
492            eKeyRangeHigh->set_value((m->*range).high);
493        }
494    
495        template<class C, class S, typename T>
496        void call_setter(const C* w, void (S::*setter)(T)) {
497            if (update_model == 0) {
498                (static_cast<S*>(this)->*setter)(w->get_value());
499                sig_changed();
500            }
501        }
502    };
503    
504  #endif  #endif
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