bool VScrollPanel::scroll_event(const Vector2i &p, const Vector2f &rel) {
if (!m_children.empty() && m_child_preferred_height > m_size.y()) {
auto child = m_children[0];
float scroll_amount = rel.y() * (m_size.y() / 20.0f);
float scrollh = height() *
std::min(1.0f, height() / (float) m_child_preferred_height);
m_scroll = std::max((float) 0.0f, std::min((float) 1.0f,
m_scroll - scroll_amount / (float)(m_size.y() - 8 - scrollh)));
Vector2i old_pos = child->position();
child->set_position(Vector2i(0, -m_scroll*(m_child_preferred_height - m_size.y())));
Vector2i new_pos = child->position();
m_update_layout = true;
child->mouse_motion_event(p-m_pos, old_pos - new_pos, 0, 0);
return true;
} else {
return Widget::scroll_event(p, rel);
}
}
static void IN_HandleEvents( void )
{
Uint16 *wtext = NULL;
SDL_PumpEvents();
SDL_Event event;
while( SDL_PollEvent( &event ) ) {
switch( event.type ) {
case SDL_KEYDOWN:
key_event( &event.key, true );
// Emulate copy/paste
#if defined( __APPLE__ )
#define KEYBOARD_COPY_PASTE_MODIFIER KMOD_GUI
#else
#define KEYBOARD_COPY_PASTE_MODIFIER KMOD_CTRL
#endif
if( event.key.keysym.sym == SDLK_c ) {
if( event.key.keysym.mod & KEYBOARD_COPY_PASTE_MODIFIER ) {
Key_CharEvent( KC_CTRLC, KC_CTRLC );
}
}
else if( event.key.keysym.sym == SDLK_v ) {
if( event.key.keysym.mod & KEYBOARD_COPY_PASTE_MODIFIER ) {
Key_CharEvent( KC_CTRLV, KC_CTRLV );
}
}
break;
case SDL_KEYUP:
key_event( &event.key, false );
break;
case SDL_TEXTINPUT:
// SDL_iconv_utf8_ucs2 uses "UCS-2-INTERNAL" as tocode and fails to convert text on Linux
// where SDL_iconv uses system iconv. So we force needed encoding directly
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define UCS_2_INTERNAL "UCS-2LE"
#else
#define UCS_2_INTERNAL "UCS-2BE"
#endif
wtext = (Uint16 *)SDL_iconv_string( UCS_2_INTERNAL, "UTF-8", event.text.text, SDL_strlen( event.text.text ) + 1 );
if( wtext ) {
wchar_t charkey = wtext[0];
int key = ( charkey <= 255 ) ? charkey : 0;
Key_CharEvent( key, charkey );
SDL_free( wtext );
}
break;
case SDL_MOUSEMOTION:
mouse_motion_event( &event.motion );
break;
case SDL_MOUSEBUTTONDOWN:
mouse_button_event( &event.button, true );
break;
case SDL_MOUSEBUTTONUP:
mouse_button_event( &event.button, false );
break;
case SDL_MOUSEWHEEL:
mouse_wheel_event( &event.wheel );
break;
case SDL_QUIT:
Cbuf_ExecuteText( EXEC_NOW, "quit" );
break;
case SDL_WINDOWEVENT:
switch( event.window.event ) {
case SDL_WINDOWEVENT_SHOWN:
AppActivate( true );
break;
case SDL_WINDOWEVENT_HIDDEN:
AppActivate( false );
break;
case SDL_WINDOWEVENT_CLOSE:
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
input_focus = true;
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
input_focus = false;
break;
case SDL_WINDOWEVENT_MOVED:
// FIXME: move this somewhere else
Cvar_SetValue( "vid_xpos", event.window.data1 );
Cvar_SetValue( "vid_ypos", event.window.data2 );
vid_xpos->modified = false;
vid_ypos->modified = false;
break;
}
break;
}
}
}