summaryrefslogtreecommitdiff
path: root/src/fltk-widgets-menus.ads
blob: 7eb56d2cedb966484f8ffe5102f4db996beac8a4 (plain)
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335


with

    FLTK.Menu_Items,
    Ada.Iterator_Interfaces;

private with

    Ada.Containers.Vectors,
    Interfaces,
    System;


package FLTK.Widgets.Menus is


    type Menu is new Widget with private
        with Default_Iterator  => Iterate,
             Iterator_Element  => FLTK.Menu_Items.Menu_Item_Reference,
             Variable_Indexing => Item;

    type Menu_Reference (Data : not null access Menu'Class) is limited null record
        with Implicit_Dereference => Data;

    subtype Index is Positive;
    subtype Extended_Index is Natural;

    No_Index : constant Extended_Index := Extended_Index'First;
    No_Reference : exception;

    type Cursor is private;




    package Forge is

        function Create
               (X, Y, W, H : in Integer;
                Text       : in String := "")
            return Menu;

    end Forge;




    procedure Add
           (This     : in out Menu;
            Text     : in     String;
            Action   : in     Widget_Callback := null;
            Shortcut : in     Key_Combo := No_Key;
            Flags    : in     Menu_Flag := Flag_Normal);

    procedure Insert
           (This     : in out Menu;
            Place    : in     Index;
            Text     : in     String;
            Action   : in     Widget_Callback := null;
            Shortcut : in     Key_Combo := No_Key;
            Flags    : in     Menu_Flag := Flag_Normal);

    procedure Remove
           (This  : in out Menu;
            Place : in     Index);

    procedure Clear
           (This : in out Menu);




    function Has_Item
           (This  : in Menu;
            Place : in Index)
        return Boolean;

    function Has_Item
           (Place : in Cursor)
        return Boolean;

    function Item
           (This  : in Menu;
            Place : in Index)
        return FLTK.Menu_Items.Menu_Item_Reference;

    function Item
           (This  : in Menu;
            Place : in Cursor)
        return FLTK.Menu_Items.Menu_Item_Reference;

    function Find_Item
           (This : in Menu;
            Name : in String)
        return FLTK.Menu_Items.Menu_Item_Reference;

    function Find_Item
           (This   : in Menu;
            Action : in Widget_Callback)
        return FLTK.Menu_Items.Menu_Item_Reference;

    function Find_Index
           (This : in Menu;
            Name : in String)
        return Extended_Index;

    function Find_Index
           (This : in Menu;
            Item : in FLTK.Menu_Items.Menu_Item)
        return Extended_Index;

    function Find_Index
           (This   : in Menu;
            Action : in Widget_Callback)
        return Extended_Index;

    function Number_Of_Items
           (This : in Menu)
        return Natural;




    package Menu_Iterators is
        new Ada.Iterator_Interfaces (Cursor, Has_Item);

    function Iterate
           (This : in Menu)
        return Menu_Iterators.Reversible_Iterator'Class;




    function Chosen
           (This : in Menu)
        return FLTK.Menu_Items.Menu_Item_Reference;

    function Chosen_Label
           (This : in Menu)
        return String;

    function Chosen_Index
           (This : in Menu)
        return Extended_Index;

    procedure Set_Chosen
           (This  : in out Menu;
            Place : in     Index);

    procedure Set_Chosen
           (This : in out Menu;
            Item : in     FLTK.Menu_Items.Menu_Item);




    function Get_Text_Color
           (This : in Menu)
        return Color;

    procedure Set_Text_Color
           (This : in out Menu;
            To   : in     Color);

    function Get_Text_Font
           (This : in Menu)
        return Font_Kind;

    procedure Set_Text_Font
           (This : in out Menu;
            To   : in     Font_Kind);

    function Get_Text_Size
           (This : in Menu)
        return Font_Size;

    procedure Set_Text_Size
           (This : in out Menu;
            To   : in     Font_Size);




    function Get_Down_Box
           (This : in Menu)
        return Box_Kind;

    procedure Set_Down_Box
           (This : in out Menu;
            To   : in     Box_Kind);

    procedure Make_Global
           (This : in out Menu);

    procedure Measure_Item
           (This : in     Menu;
            Item : in     Index;
            W, H :    out Integer);




    function Popup
           (This    : in Menu;
            X, Y    : in Integer;
            Title   : in String := "";
            Initial : in Extended_Index := No_Index)
        return Extended_Index;

    function Pulldown
           (This       : in Menu;
            X, Y, W, H : in Integer;
            Initial    : in Extended_Index := No_Index)
        return Extended_Index;




    procedure Draw
           (This : in out Menu) is null;

    procedure Draw_Item
           (This       : in out Menu;
            Item       : in     Index;
            X, Y, W, H : in     Integer;
            Selected   : in     Boolean := False);

    function Handle
           (This  : in out Menu;
            Event : in     Event_Kind)
        return Event_Outcome;


private


    --  I'm not very happy with using a Vector of dynamically allocated
    --  Menu_Item wrappers like this, but I kinda painted myself into a
    --  corner with use of Limited_Controlled and the way the Add method
    --  works for Menus.

    type Item_Access is access FLTK.Menu_Items.Menu_Item;

    package Item_Vectors is new Ada.Containers.Vectors
       (Index_Type => Positive,
        Element_Type => Item_Access);

    type Menu is new Widget with record
        My_Items : Item_Vectors.Vector;
    end record;

    overriding procedure Finalize
           (This : in out Menu);




    procedure Item_Hook (M, U : in System.Address);
    pragma Convention (C, Item_Hook);




    type Cursor is record
        My_Container : access Menu;
        My_Index     : Index'Base := Index'First;
    end record;

    type Iterator is new Menu_Iterators.Reversible_Iterator with record
        My_Container : access Menu;
    end record;

    overriding function First
           (Object : in Iterator)
        return Cursor;

    overriding function Next
           (Object : in Iterator;
            Place  : in Cursor)
        return Cursor;

    overriding function Last
           (Object : in Iterator)
        return Cursor;

    overriding function Previous
           (Object : in Iterator;
            Place  : in Cursor)
        return Cursor;




    pragma Inline (Has_Item);
    pragma Inline (Item);
    pragma Inline (Find_Item);
    pragma Inline (Find_Index);
    pragma Inline (Number_Of_Items);


    pragma Inline (Iterate);


    pragma Inline (Chosen);
    pragma Inline (Chosen_Label);
    pragma Inline (Chosen_Index);
    pragma Inline (Set_Chosen);


    pragma Inline (Get_Text_Color);
    pragma Inline (Set_Text_Color);
    pragma Inline (Get_Text_Font);
    pragma Inline (Set_Text_Font);
    pragma Inline (Get_Text_Size);
    pragma Inline (Set_Text_Size);


    pragma Inline (Get_Down_Box);
    pragma Inline (Set_Down_Box);
    pragma Inline (Make_Global);
    pragma Inline (Measure_Item);


    pragma Inline (Popup);
    pragma Inline (Pulldown);


    pragma Inline (Draw);
    pragma Inline (Draw_Item);
    pragma Inline (Handle);


end FLTK.Widgets.Menus;