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dtappbuilder: ensure the subtypes of widgets are properly initialized.

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This commit is contained in:
Liang Chang 2021-02-15 21:18:27 +08:00
parent 49b92e63a7
commit 1fcba2048b
1 changed files with 25 additions and 5 deletions
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30
cde/programs/dtappbuilder/src/ab/pal_create.c
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@ -76,6 +76,11 @@
#include "dtbuilder.h"
#include "palette_ui.h"
#define MAX_SUBTYPES 30
static int subtypes[MAX_SUBTYPES];
static int subtype_item_cnt = 0;
const int AB_max_item_height = 64;
const int AB_max_item_width = 256;
@ -181,15 +186,30 @@ pal_enable_item_drag(
int subtype
)
{
static int st_subtype;
int i;
XtPointer psubtype;
for (i = 0; i < MAX_SUBTYPES; ++i) if (subtypes[i] == subtype) break;
if (i == MAX_SUBTYPES) i = subtype_item_cnt++;
if (i >= MAX_SUBTYPES) {
if (util_get_verbosity() > 0)
fprintf(stderr, "pal_enable_item_drag: subtype table full\n");
return;
}
subtypes[i] = subtype;
psubtype = &subtypes[i];
st_subtype = subtype;
XtInsertEventHandler(widget, ButtonPressMask, FALSE,
palitem_select_event, (XtPointer)&st_subtype, XtListHead);
palitem_select_event, psubtype, XtListHead);
XtInsertEventHandler(widget, ButtonReleaseMask, FALSE,
palitem_release_event, (XtPointer)&st_subtype, XtListHead);
palitem_release_event, psubtype, XtListHead);
XtAddEventHandler(widget, EnterWindowMask|LeaveWindowMask, FALSE,
palitem_update_type, (XtPointer)&st_subtype);
palitem_update_type, psubtype);
/* We need to keep track of the main palette widget
* for drag-behavior purposes