source: golgotha/src/i4/gui/divider.cc @ 80

Last change on this file since 80 was 80, checked in by Sam Hocevar, 12 years ago
  • Adding the Golgotha source code. Not sure what's going to be interesting in there, but since it's all public domain, there's certainly stuff to pick up.
File size: 5.4 KB
Line 
1/********************************************************************** <BR>
2  This file is part of Crack dot Com's free source code release of
3  Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
4  information about compiling & licensing issues visit this URL</a>
5  <PRE> If that doesn't help, contact Jonathan Clark at
6  golgotha_source@usa.net (Subject should have "GOLG" in it)
7***********************************************************************/
8
9#include "gui/divider.hh"
10#include "window/style.hh"
11#include "window/win_evt.hh"
12
13void i4_divider_class::reparent(i4_image_class *draw_area, i4_parent_window_class *parent)
14{
15  if (parent && (w_attached && width()!=parent->width() ||
16                 h_attached && height()!=parent->height()))
17  {
18    int nw=w_attached ? parent->width() : width();
19    int nh=h_attached ? parent->height() : height();
20
21    resize(nw,nw);
22  }
23                 
24  i4_parent_window_class::reparent(draw_area, parent);
25}
26
27void i4_divider_class::resize(w16 new_width, w16 new_height)
28{
29  if (w_attached && parent)
30    new_width=parent->width();
31
32  if (h_attached && parent)
33    new_height=parent->height();
34
35  i4_parent_window_class::resize(new_width, new_height);
36
37  int x1,y1,x2,y2;
38  get_drag_area(x1,y1,x2,y2);
39
40  if (split_up_down)
41  {   
42    if (w1.get())
43    {
44      remove_child(w1.get());
45      if (y1<0) y1=0;
46      w1->resize(new_width, y1);
47      add_child(0,0,w1.get());
48    }
49   
50    if (w2.get())
51    {
52      remove_child(w2.get());
53      int nh=new_height-y2;
54      if (nh<0) nh=0;
55
56      w2->resize(w, nh);
57      add_child(0,y2+1, w2.get());
58    }
59  }
60  else
61  {
62    if (w1.get())
63    {
64      remove_child(w1.get());
65      if (x1<0) x1=0;
66      w1->resize(x1, new_height);
67      add_child(0,0,w1.get());
68    }
69   
70    if (w2.get())
71    {
72      remove_child(w2.get());
73      int nw=new_width-x2;
74      if (nw<0) nw=0;
75      w2->resize(nw, new_height);
76      add_child(x2+1,0, w2.get());
77    }
78  } 
79}
80
81void i4_divider_class::get_drag_area(int &x1, int &y1, int &x2, int &y2)
82{
83  w32 l,r,t,b;
84  style->get_out_deco_size(l,t,r,b);
85
86  if (split_up_down)
87  {
88    int vbh=t+b;
89    y1=split_value-vbh/2;
90    y2=y1+vbh-1;
91    x1=0; x2=width()-1;
92  }
93  else
94  {
95    int vbw=l+r;
96    x1=split_value-vbw/2;
97    x2=x1+vbw-1;
98    y1=0;
99    y2=height()-1;
100  }
101}
102
103i4_divider_class::i4_divider_class(int w, int h,
104                                   i4_bool split_up_down,
105                                   int split_x_or_y,
106                                   i4_window_class *window1,
107                                   i4_window_class *window2,
108                                   i4_graphical_style_class *style,
109                                   int window1_min_size,
110                                   int window2_min_size)
111  : split_up_down(split_up_down),
112    split_value(split_x_or_y),
113    style(style),
114    i4_parent_window_class(w,h),
115    min1(window1_min_size),
116    min2(window2_min_size)   
117{
118  w1=window1;
119  w2=window2;
120
121  if (w==-1)
122  {
123    w_attached=i4_T;
124    w=0;
125  }
126  else
127    w_attached=i4_F;
128
129  if (h==-1)
130  {
131    h=0;
132    h_attached=i4_T;
133  }
134  else
135    h_attached=i4_F;
136
137
138  dragging=i4_F;
139  if (split_x_or_y==-1)
140  {
141    if (split_up_down)
142      split_value=h/2;
143    else
144      split_value=w/2;
145  }
146 
147  w1=window1;
148  w2=window2;
149
150  add_child(0,0, window1);
151  add_child(0,0, window2);
152  resize(w,h);
153}
154
155
156void i4_divider_class::parent_draw(i4_draw_context_class &context)
157{
158  int x1,y1,x2,y2;
159  get_drag_area(x1,y1,x2,y2);
160  local_image->add_dirty(x1,y1,x2,y2, context);
161  style->draw_out_deco(local_image, x1,y1, x2,y2, i4_F, context);
162}
163
164
165void i4_divider_class::receive_event(i4_event *ev)
166{
167  switch (ev->type())
168  {
169    case i4_event::MOUSE_BUTTON_DOWN :
170    {
171      CAST_PTR(bev, i4_mouse_button_down_event_class, ev);
172      if (bev->left())
173      {
174        int x1,y1,x2,y2;
175        get_drag_area(x1,y1,x2,y2);
176        if (bev->x>=x1 && bev->x<=x2 &&
177            bev->y>=y1 && bev->y<=y2)
178        {
179          dragging=i4_T;
180          i4_window_request_mouse_grab_class grab(this);
181          i4_kernel.send_event(parent, &grab);
182        }
183        else i4_parent_window_class::receive_event(ev);
184      }
185      else i4_parent_window_class::receive_event(ev);
186    } break;
187
188
189    case i4_event::MOUSE_BUTTON_UP :
190    {       
191      CAST_PTR(bev, i4_mouse_button_up_event_class, ev);
192      if (dragging && bev->left())
193      {
194        dragging=i4_F;
195        i4_window_request_mouse_ungrab_class ungrab(this);
196        i4_kernel.send_event(parent, &ungrab);       
197      }
198      else i4_parent_window_class::receive_event(ev);
199    } break;
200
201    case i4_event::MOUSE_MOVE :
202    {
203      CAST_PTR(mev, i4_mouse_move_event_class, ev);
204      if (dragging)
205      {
206        if (split_up_down)
207        {
208          if (mev->y!=split_value && mev->y>min1 && height()-mev->y>min2)
209          {
210            split_value=mev->y;
211            resize(width(), height());
212          }
213        }
214        else if (mev->y!=split_value && mev->x>min1 && width()-mev->x>min2)
215        {
216          split_value=mev->x;
217          resize(width(), height());
218        }
219      }
220      else i4_parent_window_class::receive_event(ev);
221    } break;
222
223    default:
224      i4_parent_window_class::receive_event(ev);
225  }
226}
227
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229
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231
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