6 #define FOCUSC h->color[1]
7 #define NORMALC h->color[0]
8 #define HOT_NORMALC h->color[2]
9 #define HOT_FOCUSC h->color[3]
11 /* Common return values */
20 WIDGET_INIT
, /* Initialize widget */
21 WIDGET_FOCUS
, /* Draw widget in focused state */
22 WIDGET_UNFOCUS
, /* Draw widget in unfocused state */
23 WIDGET_DRAW
, /* Sent to widget to draw themselves */
24 WIDGET_KEY
, /* Sent to widgets on key press */
25 WIDGET_HOTKEY
, /* Sent to widget to catch preprocess key */
26 WIDGET_DESTROY
, /* Sent to widget at destruction time */
27 WIDGET_CURSOR
, /* Sent to widget to position the cursor */
28 WIDGET_IDLE
, /* Send to widgets with options & W_WANT_IDLE*/
29 WIDGET_USER
= 0x100000
31 } /* Widget_Messages */;
38 /* Widgets are expected to answer to the following messages:
40 WIDGET_FOCUS: 1 if the accept the focus, 0 if they do not.
41 WIDGET_UNFOCUS: 1 if they accept to release the focus, 0 if they don't.
42 WIDGET_KEY: 1 if they actually used the key, 0 if not.
43 WIDGET_HOTKEY: 1 if they actually used the key, 0 if not.
48 DLG_KEY
, /* Sent on keypress before sending to widget */
49 DLG_INIT
, /* Sent on init */
50 DLG_END
, /* Sent on shutdown */
52 DLG_DRAW
, /* Sent for updating dialog managed area */
53 DLG_FOCUS
, /* Sent on give focus to a widget */
54 DLG_UNFOCUS
, /* Sent on remove focus from widget */
55 DLG_ONE_UP
, /* Sent on selecting next */
56 DLG_ONE_DOWN
, /* Sent on selecting prev */
57 DLG_POST_KEY
, /* Sent after key has been sent */
58 DLG_IDLE
, /* Sent if idle is active */
59 DLG_UNHANDLED_KEY
, /* Send if no widget wanted the key */
60 DLG_HOTKEY_HANDLED
, /* Send if a child got the hotkey */
61 DLG_PRE_EVENT
/* Send before calling get_event */
62 } /* Dialog_Messages */;
65 typedef struct Dlg_head
{
68 int flags
; /* User flags */
69 char *help_ctx
; /* Name of the help entry */
70 int *color
; /* Color set */
71 char *title
; /* Title of the dialog */
73 /* Set and received by the user */
74 int ret_value
; /* Result of run_dlg() */
77 int x
, y
; /* Position relative to screen origin */
78 int cols
, lines
; /* Width and height of the window */
83 int mouse_status
; /* For the autorepeat status of the mouse */
84 int refresh_pushed
; /* Did the dialog actually run? */
86 /* Internal variables */
87 int count
; /* number of widgets */
88 struct Widget_Item
*current
, *first
, *last
;
89 int (*callback
) (struct Dlg_head
*, int, int);
90 struct Widget_Item
*initfocus
;
91 void *previous_dialog
; /* Pointer to the previously running Dlg_head */
96 /* Every Widget must have this as it's first element */
97 typedef struct Widget
{
101 int (*callback
)(Dlg_head
*, void *, int, int); /* The callback function */
102 void (*destroy
)(void *);
104 struct Dlg_head
*parent
;
105 char *tkname
; /* name used for history saving */
108 /* The options for the widgets */
109 #define W_WANT_POST_KEY 1
110 #define W_WANT_HOTKEY 2
111 #define W_WANT_CURSOR 4
112 #define W_WANT_IDLE 8
113 #define W_IS_INPUT 16
114 #define W_PANEL_HIDDEN 32
116 typedef struct Widget_Item
{
118 struct Widget_Item
*next
; /* next in circle buffer */
119 struct Widget_Item
*prev
; /* previous in circle buffer */
120 Widget
*widget
; /* point to the component */
123 /* draw box in window */
124 void draw_box (Dlg_head
*h
, int y
, int x
, int ys
, int xs
);
126 /* doubled line if possible */
127 void draw_double_box (Dlg_head
*h
, int y
, int x
, int ys
, int xs
);
129 /* Creates a dialog head */
130 Dlg_head
*create_dlg (int y1
, int x1
, int lines
, int cols
,
132 int (*callback
) (struct Dlg_head
*, int, int),
133 char *help_ctx
, char *name
, int flags
);
136 #define DLG_BACKWARD 32 /* Tab order is reverse to the index order */
137 #define DLG_WANT_TAB 16 /* Should the tab key be sent to the dialog? */
138 #define DLG_HAS_MENUBAR 8 /* GrossHack: Send events on row 1 to a menubar? */
139 #define DLG_COMPACT 4 /* Suppress spaces around the frame */
140 #define DLG_TRYUP 2 /* Try to move two lines up the dialog */
141 #define DLG_CENTER 1 /* Center the dialog */
142 #define DLG_NONE 0 /* No options */
144 int add_widget (Dlg_head
*dest
, void *Widget
);
145 int remove_widget (Dlg_head
*dest
, void *Widget
);
146 int destroy_widget (Widget
*w
);
149 int run_dlg (Dlg_head
*d
);
151 void dlg_run_done (Dlg_head
*h
);
152 void dlg_process_event (Dlg_head
*h
, int key
, Gpm_Event
*event
);
153 void init_dlg (Dlg_head
*h
);
155 /* To activate/deactivate the idle message generation */
156 void set_idle_proc (Dlg_head
*d
, int state
);
158 void dlg_redraw (Dlg_head
*h
);
159 void dlg_refresh (void *parameter
);
160 void destroy_dlg (Dlg_head
*h
);
162 void widget_set_size (Widget
*widget
, int x1
, int y1
, int x2
, int y2
);
164 void dlg_broadcast_msg_to (Dlg_head
*h
, int message
, int reverse
, int flags
);
165 void dlg_broadcast_msg (Dlg_head
*h
, int message
, int reverse
);
166 void dlg_mouse (Dlg_head
*h
, Gpm_Event
*event
);
168 typedef void (*destroy_fn
)(void *);
169 typedef int (*callback_fn
)(Dlg_head
*, void *, int, int);
171 void init_widget (Widget
*w
, int y
, int x
, int lines
, int cols
,
172 callback_fn callback
, destroy_fn destroy
,
173 mouse_h mouse_handler
, char *tkname
);
175 /* Various default service provision */
176 int default_dlg_callback (Dlg_head
*h
, int id
, int msg
);
177 int std_callback (Dlg_head
*h
, int Msg
, int Par
);
178 int default_proc (Dlg_head
*h
, int Msg
, int Par
);
180 #define real_widget_move(w, _y, _x) move((w)->y + _y, (w)->x + _x)
181 #define dlg_move(h, _y, _x) move(((Dlg_head *) h)->y + _y, \
182 ((Dlg_head *) h)->x + _x)
184 #define widget_move(w,y,x) real_widget_move((Widget*)w,y,x)
186 extern Dlg_head
*current_dlg
;
188 int send_message (Dlg_head
*h
, Widget
*w
, int msg
, int par
);
189 int send_message_to (Dlg_head
*h
, Widget
*w
, int msg
, int par
);
190 void dlg_replace_widget (Dlg_head
*h
, Widget
*old
, Widget
*new);
191 void widget_redraw (Dlg_head
*h
, Widget_Item
*w
);
192 int dlg_overlap (Widget
*a
, Widget
*b
);
193 void widget_erase (Widget
*);
194 void dlg_erase (Dlg_head
*h
);
195 void dlg_stop (Dlg_head
*h
);
197 /* Widget selection */
198 int dlg_select_widget (Dlg_head
*h
, void *widget
);
199 void dlg_one_up (Dlg_head
*h
);
200 void dlg_one_down (Dlg_head
*h
);
201 int dlg_focus (Dlg_head
*h
);
202 int dlg_unfocus (Dlg_head
*h
);
203 int dlg_select_nth_widget (Dlg_head
*h
, int n
);
204 int dlg_item_number (Dlg_head
*h
);
205 Widget
*find_widget_type (Dlg_head
*h
, callback_fn signature
);
207 /* Sets/clear the specified flag in the options field */
208 #define widget_option(w,f,i) \
209 w.options = ((i) ? (w.options | (f)) : (w.options & (~(f))))
211 #define widget_want_cursor(w,i) widget_option(w, W_WANT_CURSOR, i)
212 #define widget_want_hotkey(w,i) widget_option(w, W_WANT_HOTKEY, i)
213 #define widget_want_postkey(w,i) widget_option(w, W_WANT_POSTKEY, i)
215 typedef void (*movefn
)(void *, int);
217 /* Layout definitions */
219 void x_set_dialog_title (Dlg_head
*h
, const char *title
);
221 /* The inner workings of run_dlg, exported for the Tk and XView toolkits */
222 int dlg_key_event (Dlg_head
*h
, int d_key
);
223 void update_cursor (Dlg_head
*h
);
225 #endif /* MC_DLG_H */