diff options
Diffstat (limited to 'oldXMenu/InsPane.c')
-rw-r--r-- | oldXMenu/InsPane.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/oldXMenu/InsPane.c b/oldXMenu/InsPane.c new file mode 100644 index 00000000000..7a0d6e3ec63 --- /dev/null +++ b/oldXMenu/InsPane.c @@ -0,0 +1,112 @@ +#include "copyright.h" + +/* $Header: /u/src/emacs/19.0/oldXMenu/RCS/InsPane.c,v 1.1 1992/04/11 22:10:19 jimb Exp $ */ +/* Copyright Massachusetts Institute of Technology 1985 */ + +/* + * XMenu: MIT Project Athena, X Window system menu package + * + * XMenuInsertPane - Inserts a pane into an XMenu object in + * a particular position. + * + * Author: Tony Della Fera, DEC + * 20-Nov-85 + * + */ + +#include <config.h> +#include "XMenuInt.h" + +int +XMenuInsertPane(menu, p_num, label, active) + register XMenu *menu; /* Menu object to be modified. */ + register int p_num; /* Pane number of new pane. */ + char *label; /* Selection label. */ + int active; /* Make selection active? */ +{ + register XMPane *p_ptr; /* XMPane pointer. */ + register XMPane *pane; /* Newly created pane. */ + register XMSelect *select; /* Initial selection for the new pane. */ + + int label_length; /* Label length in characters. */ + int label_width; /* Label width in pixels. */ + + /* + * Check for NULL pointers! + */ + if (label == NULL) { + _XMErrorCode = XME_ARG_BOUNDS; + return(XM_FAILURE); + } + + /* + * Find the pane number one less than the one specified since that + * is the pane after which the insertion will occur. + */ + p_ptr = _XMGetPanePtr(menu, (p_num - 1)); + if (p_ptr == NULL) return(XM_FAILURE); + + /* + * Calloc the XMPane structure and the initial XMSelect. + */ + pane = (XMPane *)calloc(1, sizeof(XMPane)); + if (pane == NULL) { + _XMErrorCode = XME_CALLOC; + return(XM_FAILURE); + } + select = (XMSelect *)calloc(1, sizeof(XMSelect)); + if (select == NULL) { + _XMErrorCode = XME_CALLOC; + return(XM_FAILURE); + } + + /* + * Determine label size. + */ + label_length = strlen(label); + label_width = XTextWidth(menu->p_fnt_info, label, label_length); + + /* + * Set up the initial selection. + * Values not explicitly set are zeroed by calloc. + */ + select->next = select; + select->prev = select; + select->type = SL_HEADER; + select->serial = -1; + select->parent_p = pane; + + /* + * Fill the XMPane structure. + */ + pane->type = PANE; + pane->active = active; + pane->serial = -1; + pane->label = label; + pane->label_width = label_width; + pane->label_length = label_length; + pane->s_list = select; + + /* + * Insert the pane after the pane with the pane + * number one less than the desired number for the + * new pane. + */ + emacs_insque(pane, p_ptr); + + /* + * Update the pane count. + */ + menu->p_count++; + + /* + * Schedule a recompute. + */ + menu->recompute = 1; + + /* + * Return the number of the pane just added. + */ + _XMErrorCode = XME_NO_ERROR; + return(p_num); +} |