int main(void)
{
// instantiate window
GWindow window = newGWindow(320, 240);
// instantiate slider
addToRegion(window, newGLabel("0"), "SOUTH");
GSlider slider = newGSlider(0, 100, 50);
setActionCommand(slider, "slide");
addToRegion(window, slider, "SOUTH");
addToRegion(window, newGLabel("100"), "SOUTH");
// listen for events
while (true)
{
// wait for event
GActionEvent event = waitForEvent(ACTION_EVENT);
// if window was closed
if (getEventType(event) == WINDOW_CLOSED)
{
break;
}
// if action command is "slide"
if (strcmp(getActionCommand(event), "slide") == 0)
{
printf("slider was slid to %i\n", getValue(slider));
}
}
// that's all folks
closeGWindow(window);
return 0;
}
o/** * slider.c * * David J. Malan * [email protected] * * Demonstrates a slider. */ // standard libraries #include <stdio.h> #include <string.h> // Stanford Portable Library #include <spl/gevents.h> #include <spl/ginteractors.h> #include <spl/gwindow.h> int main(void) { // instantiate window GWindow window = newGWindow(320, 240); // instantiate slider addToRegion(window, newGLabel("0"), "SOUTH"); GSlider slider = newGSlider(0, 100, 50); setActionCommand(slider, "slide"); addToRegion(window, slider, "SOUTH"); addToRegion(window, newGLabel("100"), "SOUTH"); // listen for events while (true) { // wait for event GActionEvent event = waitForEvent(ACTION_EVENT); // if window was closed if (getEventType(event) == WINDOW_CLOSED) { break; } // if action command is "slide" if (strcmp(getActionCommand(event), "slide") == 0) { printf("slider was slid to %i\n", getValue(slider)); } } // that's all folks closeGWindow(window); return 0; }
