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1 | /* Copyright Massachusetts Institute of Technology 1985 */ |
2 | ||
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3 | #include "copyright.h" |
4 | ||
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5 | |
6 | /* | |
7 | * XMenu: MIT Project Athena, X Window system menu package | |
8 | * | |
9 | * XMenuDeleteSelection - Deletes a selection from an XMenu object. | |
10 | * | |
11 | * Author: Tony Della Fera, DEC | |
12 | * 20-Nov-85 | |
13 | * | |
14 | */ | |
15 | ||
16 | #include "XMenuInt.h" | |
17 | ||
18 | int | |
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19 | XMenuDeleteSelection(register Display *display, register XMenu *menu, register int p_num, register int s_num) |
20 | /* Previously opened display. */ | |
21 | /* Menu object to be modified. */ | |
22 | /* Pane number to be deleted. */ | |
23 | /* Selection number to be deleted. */ | |
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24 | { |
25 | register XMPane *p_ptr; /* Pointer to pane being deleted. */ | |
26 | register XMSelect *s_ptr; /* Pointer to selections being deleted. */ | |
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28 | /* |
29 | * Find the right pane. | |
30 | */ | |
31 | p_ptr = _XMGetPanePtr(menu, p_num); | |
32 | if (p_ptr == NULL) return(XM_FAILURE); | |
33 | ||
34 | /* | |
35 | * Find the right selection. | |
36 | */ | |
37 | s_ptr = _XMGetSelectionPtr(p_ptr, s_num); | |
38 | if (s_ptr == NULL) return(XM_FAILURE); | |
39 | ||
40 | /* | |
41 | * Remove the selection from the association table. | |
42 | */ | |
43 | XDeleteAssoc(display, menu->assoc_tab, s_ptr->window); | |
44 | ||
45 | /* | |
46 | * Remove the selection from the parent pane's selection | |
47 | * list and update the selection count. | |
48 | */ | |
49 | emacs_remque(s_ptr); | |
50 | p_ptr->s_count--; | |
51 | ||
52 | /* | |
53 | * Destroy the selection transparency. | |
54 | */ | |
55 | if (s_ptr->window) XDestroyWindow(display, s_ptr->window); | |
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57 | /* |
58 | * Free the selection's XMSelect structure. | |
59 | */ | |
60 | free(s_ptr); | |
61 | ||
62 | /* | |
63 | * Schedule a recompute. | |
64 | */ | |
65 | menu->recompute = 1; | |
66 | ||
67 | /* | |
68 | * Return the selection number just deleted. | |
69 | */ | |
70 | _XMErrorCode = XME_NO_ERROR; | |
71 | return(s_num); | |
72 | } | |
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