libui/unix/checkbox.c

94 lines
2.1 KiB
C

// 7 april 2015
#include "uipriv_unix.h"
struct checkbox {
uiCheckbox c;
GtkWidget *widget;
GtkButton *button;
GtkToggleButton *toggleButton;
GtkCheckButton *checkButton;
void (*onToggled)(uiCheckbox *, void *);
void *onToggledData;
gulong onToggledSignal;
};
static void onToggled(GtkToggleButton *b, gpointer data)
{
struct checkbox *c = (struct checkbox *) data;
(*(c->onToggled))(uiCheckbox(c), c->onToggledData);
}
static void defaultOnToggled(uiCheckbox *c, void *data)
{
// do nothing
}
static void onDestroy(void *data)
{
struct checkbox *c = (struct checkbox *) data;
uiFree(c);
}
static char *checkboxText(uiCheckbox *cc)
{
struct checkbox *c = (struct checkbox *) cc;
return uiUnixStrdupText(gtk_button_get_label(c->button));
}
static void checkboxSetText(uiCheckbox *cc, const char *text)
{
struct checkbox *c = (struct checkbox *) cc;
gtk_button_set_label(GTK_BUTTON(c->button), text);
}
static void checkboxOnToggled(uiCheckbox *cc, void (*f)(uiCheckbox *, void *), void *data)
{
struct checkbox *c = (struct checkbox *) cc;
c->onToggled = f;
c->onToggledData = data;
}
static int checkboxChecked(uiCheckbox *cc)
{
struct checkbox *c = (struct checkbox *) cc;
return gtk_toggle_button_get_active(c->toggleButton) != FALSE;
}
static void checkboxSetChecked(uiCheckbox *cc, int checked)
{
struct checkbox *c = (struct checkbox *) cc;
gboolean active;
active = FALSE;
if (checked)
active = TRUE;
// we need to inhibit sending of ::toggled because this WILL send a ::toggled otherwise
g_signal_handler_block(c->toggleButton, c->onToggledSignal);
gtk_toggle_button_set_active(c->toggleButton, active);
g_signal_handler_unblock(c->toggleButton, c->onToggledSignal);
}
uiCheckbox *uiNewCheckbox(const char *text)
{
struct checkbox *c;
c = uiNew(struct checkbox);
c->onToggledSignal = g_signal_connect(c->widget, "toggled", G_CALLBACK(onToggled), c);
c->onToggled = defaultOnToggled;
uiCheckbox(c)->Text = checkboxText;
uiCheckbox(c)->SetText = checkboxSetText;
uiCheckbox(c)->OnToggled = checkboxOnToggled;
uiCheckbox(c)->Checked = checkboxChecked;
uiCheckbox(c)->SetChecked = checkboxSetChecked;
return uiCheckbox(c);
}