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/*
* tooltip.c
*/
#include <stdlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xaw/Label.h>
#include "../common/common.h"
#include "xcommon.h"
#define TOOLTIP_INTERVAL 500
#define HIGHLIGHT_WIDTH 2
#define UNHIGHLIGHT_WIDTH 1
static Widget label1, tooltip_shell, tooltip_label;
static int tooltip_mode = TOOLTIP_POPUP;
static int tooltip_timeout = None;
static char tooltip_text[256];
static unsigned long highlight_color, unhighlight_color;
static void highlight_action(Widget w, XEvent *event,
String *params, Cardinal *num_params)
{
int sw;
if (*num_params) sw = atoi(*params);
else sw = HIGHLIGHT_WIDTH;
if (w) XtVaSetValues(w,
#if 0
XtNbackground, highlight_color,
#else
"shadowWidth", sw,
#endif
(char *)0);
}
static void unhighlight_action(Widget w, XEvent *event,
String *params, Cardinal *num_params)
{
int sw;
if (*num_params) sw = atoi(*params);
else sw = UNHIGHLIGHT_WIDTH;
if (w) XtVaSetValues(w,
#if 0
XtNbackground, unhighlight_color,
#else
"shadowWidth", sw,
#endif
(char *)0);
}
static void tooltip_popup(XtPointer client_data, XtIntervalId *id)
{
tooltip_timeout = None;
XtPopup(tooltip_shell, XtGrabNone);
}
static void tooltip_popdown(void)
{
if (tooltip_timeout != None)
XtRemoveTimeOut(tooltip_timeout);
tooltip_timeout = None;
XtPopdown(tooltip_shell);
}
static void draw_input_action(Widget w, XEvent *event,
String *params, Cardinal *num_params)
{
if (tooltip_mode & TOOLTIP_LABEL) {
char *p = "";
label_set(label1, p);
}
if (tooltip_mode & TOOLTIP_POPUP) {
tooltip_popdown();
}
}
static void tooltip_action(Widget w, XEvent *event,
String *params, Cardinal *num_params)
{
int i;
char b[256];
strncpy(b, params[0], 255);
for (i = 1; i < *num_params; i++) {
strncat(b, " ", 255);
strncat(b, params[i], 255);
}
strcpy(tooltip_text, translate(b));
if (tooltip_mode & TOOLTIP_LABEL) {
XtVaSetValues(label1, XtNlabel, tooltip_text, (char *)0);
}
if (tooltip_mode & TOOLTIP_POPUP) {
Position x, y;
Dimension height, width;
XFontStruct *font;
XtVaGetValues(w,
XtNheight, &height, (char *)0);
XtTranslateCoords(w,
0, height+10, &x, &y);
XtVaGetValues(tooltip_label,
XtNfont, &font, (char *)0);
width = XTextWidth(font, tooltip_text, strlen(tooltip_text));
XtVaSetValues(tooltip_shell,
XtNx, x,
XtNy, y,
XtNwidth, width+8, (char *)0);
XtVaSetValues(tooltip_label, XtNlabel, tooltip_text, (char *)0);
tooltip_timeout = XtAppAddTimeOut(
XtWidgetToApplicationContext(w),
TOOLTIP_INTERVAL,
tooltip_popup, (XtPointer)w);
}
}
static XtActionsRec actions[] =
{
{"siag-highlight", highlight_action},
{"siag-unhighlight", unhighlight_action},
{"tooltip", tooltip_action},
{"draw-input", draw_input_action}
};
void tooltip_mode_set(int mode, Widget label)
{
draw_input_action(NULL, NULL, NULL, NULL);
tooltip_mode = mode;
label1 = label;
if (label1 == None) mode &= ~TOOLTIP_LABEL;
}
void tooltip_init(Widget pw, unsigned long hl, unsigned long uhl)
{
XtAppAddActions(XtWidgetToApplicationContext(pw),
actions, XtNumber(actions));
tooltip_shell = XtVaCreatePopupShell("tooltip_shell",
overrideShellWidgetClass, pw, (char *)0);
tooltip_label = XtVaCreateManagedWidget("tooltip_label",
labelWidgetClass, tooltip_shell, (char *)0);
label1 = None;
highlight_color = hl;
unhighlight_color = uhl;
}
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