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| author | Dave Love | 1999-10-03 19:36:13 +0000 |
|---|---|---|
| committer | Dave Love | 1999-10-03 19:36:13 +0000 |
| commit | e745ede7473e87b93d71858bc1c8447a1307de28 (patch) | |
| tree | 59353dca94fcb3a9ce2fd9f79614a3119da7f863 /oldXMenu/AddPane.c | |
| parent | 0c898dd963a3277b5ec8d59f0a350e3fb50e50c3 (diff) | |
| download | emacs-e745ede7473e87b93d71858bc1c8447a1307de28.tar.gz emacs-e745ede7473e87b93d71858bc1c8447a1307de28.zip | |
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Diffstat (limited to 'oldXMenu/AddPane.c')
| -rw-r--r-- | oldXMenu/AddPane.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/oldXMenu/AddPane.c b/oldXMenu/AddPane.c new file mode 100644 index 00000000000..739cdfe43e8 --- /dev/null +++ b/oldXMenu/AddPane.c | |||
| @@ -0,0 +1,104 @@ | |||
| 1 | #include "copyright.h" | ||
| 2 | |||
| 3 | /* $Header: /u/src/emacs/19.0/oldXMenu/RCS/AddPane.c,v 1.1 1992/04/11 22:10:17 jimb Exp $ */ | ||
| 4 | /* Copyright Massachusetts Institute of Technology 1985 */ | ||
| 5 | |||
| 6 | /* | ||
| 7 | * XMenu: MIT Project Athena, X Window system menu package | ||
| 8 | * | ||
| 9 | * XMenuAddPane - Adds a pane to an XMenu object. | ||
| 10 | * | ||
| 11 | * Author: Tony Della Fera, DEC | ||
| 12 | * August, 1985 | ||
| 13 | * | ||
| 14 | */ | ||
| 15 | |||
| 16 | #include <config.h> | ||
| 17 | #include "XMenuInt.h" | ||
| 18 | |||
| 19 | int | ||
| 20 | XMenuAddPane(display, menu, label, active) | ||
| 21 | Display *display; | ||
| 22 | register XMenu *menu; /* Menu object to be modified. */ | ||
| 23 | register char *label; /* Selection label. */ | ||
| 24 | int active; /* Make selection active? */ | ||
| 25 | { | ||
| 26 | register XMPane *pane; /* Newly created pane. */ | ||
| 27 | register XMSelect *select; /* Initial selection for the new pane. */ | ||
| 28 | |||
| 29 | int label_length; /* Label length in characters. */ | ||
| 30 | int label_width; /* Label width in pixels. */ | ||
| 31 | |||
| 32 | /* | ||
| 33 | * Check for NULL pointers! | ||
| 34 | */ | ||
| 35 | if (label == NULL) { | ||
| 36 | _XMErrorCode = XME_ARG_BOUNDS; | ||
| 37 | return(XM_FAILURE); | ||
| 38 | } | ||
| 39 | |||
| 40 | /* | ||
| 41 | * Calloc the XMPane structure and the initial XMSelect. | ||
| 42 | */ | ||
| 43 | pane = (XMPane *)calloc(1, sizeof(XMPane)); | ||
| 44 | if (pane == NULL) { | ||
| 45 | _XMErrorCode = XME_CALLOC; | ||
| 46 | return(XM_FAILURE); | ||
| 47 | } | ||
| 48 | select = (XMSelect *)calloc(1, sizeof(XMSelect)); | ||
| 49 | if (select == NULL) { | ||
| 50 | _XMErrorCode = XME_CALLOC; | ||
| 51 | return(XM_FAILURE); | ||
| 52 | } | ||
| 53 | |||
| 54 | /* | ||
| 55 | * Determine label size. | ||
| 56 | */ | ||
| 57 | label_length = strlen(label); | ||
| 58 | label_width = XTextWidth(menu->p_fnt_info, | ||
| 59 | label, | ||
| 60 | label_length); | ||
| 61 | |||
| 62 | /* | ||
| 63 | * Set up the initial selection. | ||
| 64 | * Values not explicitly set are zeroed by calloc. | ||
| 65 | */ | ||
| 66 | select->next = select; | ||
| 67 | select->prev = select; | ||
| 68 | select->type = SL_HEADER; | ||
| 69 | select->serial = -1; | ||
| 70 | select->parent_p = pane; | ||
| 71 | |||
| 72 | /* | ||
| 73 | * Fill the XMPane structure. | ||
| 74 | * X and Y position are set to 0 since a recompute will follow. | ||
| 75 | */ | ||
| 76 | pane->type = PANE; | ||
| 77 | pane->active = active; | ||
| 78 | pane->serial = -1; | ||
| 79 | pane->label = label; | ||
| 80 | pane->label_width = label_width; | ||
| 81 | pane->label_length = label_length; | ||
| 82 | pane->s_list = select; | ||
| 83 | |||
| 84 | /* | ||
| 85 | * Insert the pane at the end of the pane list. | ||
| 86 | */ | ||
| 87 | emacs_insque(pane, menu->p_list->prev); | ||
| 88 | |||
| 89 | /* | ||
| 90 | * Update the pane count. | ||
| 91 | */ | ||
| 92 | menu->p_count++; | ||
| 93 | |||
| 94 | /* | ||
| 95 | * Schedule a recompute. | ||
| 96 | */ | ||
| 97 | menu->recompute = 1; | ||
| 98 | |||
| 99 | /* | ||
| 100 | * Return the pane number just added. | ||
| 101 | */ | ||
| 102 | _XMErrorCode = XME_NO_ERROR; | ||
| 103 | return((menu->p_count - 1)); | ||
| 104 | } | ||