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/*****************************************************************************
Copyright (C) 1994,1997 Ivan A. Curtis. All rights reserved.
This code must not be re-distributed without these copyright notices intact.
*******************************************************************************
*******************************************************************************
Filename: ~icurtis/src/mx/buttons.c
Description:
Update History: (most recent first)
I. Curtis 9-Apr-97 12:02 -- Updated
I. Curtis 22-Mar-94 23:11 -- Created.
******************************************************************************/
#include "basic.h"
#include "alert.h"
#include "menu.h"
#include "buttons.h"
/**************************************
* Handle an event for a button panel *
**************************************/
int mx_button_event(Display *display, int screen, XEvent *event,
mx_button *button, int *done, int *x, int *y)
{
int bx, by, bit, mask;
switch(event->type) {
case Expose:
if (event->xexpose.window == button->window) {
mx_items_draw(display, button->window, button->app,
button->item, button->first_item,
button->last_item - button->first_item + 1,
button->width, button->height,
button->app->button_width + 2 * button->app->item_border,
0);
bx = button->app->item_border,
by = (button->height - button->app->button_height) / 2;
mask = 1;
for (bit = 0; bit < button->last_item - button->first_item; bit ++) {
if (button->value & mask)
XCopyPlane(display, button->app->button, button->window,
button->app->gcd, 0, 0,
button->app->button_width, button->app->button_height,
bx, by, 0x01);
mask = mask << 1;
by += button->height;
}
return True;
}
break;
case ButtonPress:
if (event->xbutton.window == button->window) {
button->cur_y = event->xbutton.y / button->height;
bit = button->cur_y + button->first_item;
mask = 1 << bit;
if (!(button->item[button->cur_y + button->first_item].flag &
MXItemFlag_Disabled)) {
button->value ^= mask;
XCopyPlane(display, button->app->button, button->window,
button->app->gcf, 0, 0,
button->app->button_width, button->app->button_height,
button->app->item_border,
(button->height - button->app->button_height) / 2 +
button->height * button->cur_y,
0x01);
}
return True;
}
break;
default:
break;
}
return False;
}
/***********************************************
* Pop up a list of buttons on the root window *
* at position x, y *
***********************************************/
int mx_popup_button(Display *display, int screen, mx_panel *panel,
unsigned int value, int *x, int *y)
{
XEvent event;
mx_alert title;
mx_button button;
int done;
if (!panel)
return -1;
button.app = panel->app;
button.width = panel->width + panel->app->button_width +
3 * panel->app->item_border;
if (button.app->button_height > panel->height)
button.height = button.app->button_height + 2 * panel->app->item_border;
else
button.height = panel->height + 2 * panel->app->item_border;
button.first_item = 0;
button.last_item = panel->last_item - panel->first_item - 1;
button.item = panel->item + panel->first_item + 1;
button.value = value;
title.app = panel->app;
title.width = button.width;
title.height = panel->height + 2 * panel->app->item_border;
title.start_item = panel->first_item;;
title.max_items = 1;
title.item = panel->item;
/* make sure the windows are on screen */
mx_adjust_xy(display, title.width + 2 * title.app->win_border,
(title.height +
button.height * (button.last_item - button.first_item + 1) +
3 * title.app->win_border),
x, y);
/* open the title window */
title.window =
mx_transient_window_open(display, screen, panel->app->win_border, *x, *y,
title.width, title.height);
XSelectInput(display, title.window, ExposureMask | OwnerGrabButtonMask |
ButtonPressMask | ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask);
title.inside = -1;
title.momentary = 0;
/* open the button window */
button.window =
mx_transient_window_open(display, screen, panel->app->win_border,
*x, *y + title.height + title.app->win_border,
button.width,
button.height * (button.last_item - button.first_item + 1));
XSelectInput(display, button.window, ExposureMask | OwnerGrabButtonMask |
ButtonPressMask | ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask);
button.inside = False;
done = 0;
while (!done) {
XNextEvent(display, &event);
if (mx_alert_event(display, screen, &event, &title, &done, x, y))
continue;
if (mx_button_event(display, screen, &event, &button, &done, x, y))
continue;
if (event.type == Expose && panel->app->expose_fun) {
if ((*(panel->app->expose_fun))(&event))
continue;
}
}
mx_window_close(display, title.window);
mx_window_close(display, button.window);
return button.value;
}
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