File: Qt_MyQSlider.h

package info (click to toggle)
radium-compressor 0.5.1%2Bgit20190909-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, forky, sid, trixie
  • size: 1,064 kB
  • sloc: cpp: 8,708; ansic: 1,636; makefile: 91; sh: 42
file content (217 lines) | stat: -rw-r--r-- 6,019 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/* Copyright 2012 Kjetil S. Matheussen

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */


#ifndef QT_MYQSLIDER_H
#define QT_MYQSLIDER_H

#include <QSlider>
#include <QMouseEvent>
#include <QPainter>
#include <QTimer>
#include <QVector>
#include <QApplication>
#include <QFont>

#include "EditorWidget.h"

#include "../common/instruments_proc.h"
#include "../common/vector_proc.h"
#include "../common/settings_proc.h"

#include "../audio/undo_audio_effect_proc.h"
#include "../audio/SoundPlugin.h"
#include "../audio/SoundPlugin_proc.h"

#include "Qt_instruments_proc.h"

#include "Qt_SliderPainter_proc.h"

static int scale_int(int x, int x1, int x2, int y1, int y2){
  return (int)scale((float)x,(float)x1,(float)x2,(float)y1,(float)y2);
}

struct MyQSlider;

#ifdef COMPILING_RADIUM
extern QVector<MyQSlider*> g_all_myqsliders;
extern struct Root *root;
#else
QVector<MyQSlider*> g_all_myqsliders;
#endif

static int g_minimum_height = 0;

struct MyQSlider : public QSlider{

 public:
  struct Patch *_patch;
  int _effect_num;
  
  SliderPainter *_painter;

  bool _minimum_size_set;

  void init(){
    _has_mouse=false;

    _patch = NULL;
    _effect_num = 0;

    if(g_minimum_height==0){
      QFontMetrics fm(QApplication::font());
      QRect r =fm.boundingRect("In Out 234234 dB");
      g_minimum_height = r.height()+4;
      printf("Minimum height: %d, family: %s, font pixelsize: %d, font pointsize: %d\n",g_minimum_height,QApplication::font().family().toUtf8().constData(),QApplication::font().pixelSize(),QApplication::font().pointSize());
    }

    _minimum_size_set = false; // minimumSize must be set later. I think ui generated code overwrites it when set here.

    _painter = SLIDERPAINTER_create(this);

    g_all_myqsliders.push_back(this);
  }

  MyQSlider ( QWidget * parent = 0 ) : QSlider(parent) {init();}
  MyQSlider ( Qt::Orientation orientation, QWidget * parent = 0 ) : QSlider(orientation,parent) { init();}

  ~MyQSlider(){
    g_all_myqsliders.remove(g_all_myqsliders.indexOf(this));
    SLIDERPAINTER_delete(_painter);
  }

#if 0
  void handle_system_delay(bool down){
    SoundPlugin *plugin = (SoundPlugin*)_patch->patchdata;
    const SoundPluginType *type = plugin->type;

    if(_effect_num==type->num_effects+EFFNUM_DELAY_TIME){
      if(down==true)
        plugin->delay.is_on = false;
      else
        plugin->delay.is_on = true;
    }
  }
#endif

  bool _has_mouse;

  void handle_mouse_event ( QMouseEvent * event ){
    //printf("Got mouse press event %d / %d\n",(int)event->x(),(int)event->y());
    if (orientation() == Qt::Vertical)
      setValue(scale_int(event->y(),height(),0,minimum(),maximum()));
    else
      setValue(scale_int(event->x(),0,width(),minimum(),maximum()));

    event->accept();
  }

  // mousePressEvent 
  void mousePressEvent ( QMouseEvent * event )
  {
    //printf("Got mouse pres event %d / %d\n",(int)event->x(),(int)event->y());
    if (event->button() == Qt::LeftButton){

#ifdef COMPILING_RADIUM
      if(_patch!=NULL && _patch->instrument==get_audio_instrument()){
        Undo_AudioEffect_CurrPos(_patch, _effect_num);
        //handle_system_delay(true);
      }
#endif

      handle_mouse_event(event);
      _has_mouse = true;

    }else{

#ifdef COMPILING_RADIUM
      vector_t options = {0};
      VECTOR_push_back(&options, "Reset");
      //VECTOR_push_back(&options, "Set Value");

      int command = GFX_Menu(root->song->tracker_windows, NULL, "", &options);

      if(command==0 && _patch!=NULL && _patch->instrument==get_audio_instrument()){
        SoundPlugin *plugin = (SoundPlugin*)_patch->patchdata;
        PLUGIN_reset_one_effect(plugin,_effect_num);
        GFX_update_instrument_widget(_patch);
      }
#endif

#if 0
      else if(command==1 && _patch!=NULL && _patch->instrument==get_audio_instrument()){
        SoundPlugin *plugin = (SoundPlugin*)_patch->patchdata;
        char *s = GFX_GetString(root->song->tracker_windows,NULL, (char*)"new value");
        if(s!=NULL){
          float value = OS_get_double_from_string(s);
          Undo_AudioEffect_CurrPos(_patch, _effect_num);
          PLUGIN_set_effect_value(plugin,-1,_effect_num,value,PLUGIN_STORED_TYPE,PLUGIN_STORE_VALUE);
          GFX_update_instrument_widget(_patch);
        }
      }
#endif

      event->accept();
    }
  }

  void mouseMoveEvent ( QMouseEvent * event )
  {
    if (_has_mouse){
      handle_mouse_event(event);
    }else
      QSlider::mouseMoveEvent(event);
  }

  void mouseReleaseEvent ( QMouseEvent * event )
  {
    //printf("Got mouse release event %d / %d\n",(int)event->x(),(int)event->y());
    if (_has_mouse){
#if 0
      if(_patch!=NULL && _patch->instrument==get_audio_instrument()){
        handle_system_delay(false);
      }
#endif
      handle_mouse_event(event);
      _has_mouse=false;
    }else
      QSlider::mouseReleaseEvent(event);
  }

  void paintEvent ( QPaintEvent * ev ){
    if(_minimum_size_set==false){
      _minimum_size_set=true;
      setMinimumHeight(g_minimum_height);
    }

#if 0
    {
      QFontMetrics fm(QApplication::font());
      //QRect r =fm.boundingRect(SLIDERPAINTER_get_string(_painter));
      int width = fm.width(SLIDERPAINTER_get_string(_painter)) + 20;
      if(minimumWidth() < width)
        setMinimumWidth(width);
    }

#endif

    QPainter p(this);
    SLIDERPAINTER_paint(_painter,&p);
  }

};

#endif // QT_MYQSLIDER_H