andlabs-ui/new/checkbox_unix.c

90 lines
2.0 KiB
C

// 7 april 2015
#include "uipriv_unix.h"
struct checkbox {
void (*onToggled)(uiControl *, void *);
void *onToggledData;
gulong onToggledSignal;
};
static void onToggled(GtkToggleButton *b, gpointer data)
{
uiControl *c = (uiControl *) data;
struct checkbox *cc = (struct checkbox *) (c->data);
(*(cc->onToggled))(c, cc->onToggledData);
}
static void defaultOnToggled(uiControl *c, void *data)
{
// do nothing
}
static void onDestroy(GtkWidget *widget, gpointer data)
{
struct checkbox *cc = (struct checkbox *) data;
uiFree(cc);
}
uiControl *uiNewCheckbox(const char *text)
{
uiControl *c;
struct checkbox *cc;
GtkWidget *widget;
c = uiUnixNewControl(GTK_TYPE_CHECK_BUTTON,
FALSE, FALSE,
"label", text,
NULL);
widget = GTK_WIDGET(uiControlHandle(c));
cc = uiNew(struct checkbox);
g_signal_connect(widget, "destroy", G_CALLBACK(onDestroy), cc);
cc->onToggledSignal = g_signal_connect(widget, "toggled", G_CALLBACK(onToggled), c);
cc->onToggled = defaultOnToggled;
c->data = cc;
return c;
}
char *uiCheckboxText(uiControl *c)
{
return g_strdup(gtk_button_get_label(GTK_BUTTON(uiControlHandle(c))));
}
void uiCheckboxSetText(uiControl *c, const char *text)
{
gtk_button_set_label(GTK_BUTTON(uiControlHandle(c)), text);
}
void uiCheckboxOnToggled(uiControl *c, void (*f)(uiControl *, void *), void *data)
{
struct checkbox *cc = (struct checkbox *) (c->data);
cc->onToggled = f;
cc->onToggledData = data;
}
int uiCheckboxChecked(uiControl *c)
{
return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uiControlHandle(c))) != FALSE;
}
void uiCheckboxSetChecked(uiControl *c, int checked)
{
struct checkbox *cc = (struct checkbox *) (c->data);
GtkToggleButton *button;
gboolean active;
active = FALSE;
if (checked)
active = TRUE;
// we need to inhibit sending of ::toggled because this WILL send a ::toggled otherwise
button = GTK_TOGGLE_BUTTON(uiControlHandle(c));
g_signal_handler_block(button, cc->onToggledSignal);
gtk_toggle_button_set_active(button, active);
g_signal_handler_unblock(button, cc->onToggledSignal);
}