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/*
$Id: component_resize_handler.cpp,v 1.8 2001/12/22 17:03:35 sphair Exp $
ClanGUI, copyrights by various people. Have a look in the CREDITS file.
This sourcecode is distributed using the Library GNU Public Licence,
version 2 or (at your option) any later version. Please read LICENSE
for details.
*/
#include "precomp.h"
#include "API/GUI/component_resize_handler.h"
#include "API/GUI/component.h"
#include "API/GUI/component_options.h"
#include "API/Display/Input/input.h"
#include "API/Display/Input/inputdevice.h"
class CL_ComponentResizeHandler_Generic
{
public:
CL_ComponentResizeHandler_Generic()
: owner(NULL), client_area(NULL)
{
}
void on_key_down(CL_Component *comp, CL_InputDevice *device, const CL_Key &key);
void on_key_up(CL_Component *comp, CL_InputDevice *device, const CL_Key &key);
void on_mouse_move(CL_Component *comp, int x, int y);
CL_Slot slot_key_down;
CL_Slot slot_key_up;
CL_Slot slot_mouse_move;
bool is_active;
CL_Point mouse_origin;
CL_Component *owner;
CL_Component *client_area;
};
CL_ComponentResizeHandler::CL_ComponentResizeHandler(
const CL_Rect &resize_area,
CL_Component *owner,
CL_StyleManager *style)
:
impl(new CL_ComponentResizeHandler_Generic)
{
impl->owner = owner;
impl->is_active = false;
impl->client_area = new CL_Component(resize_area, impl->owner, style);
impl->slot_key_down = impl->client_area->sig_key_down().connect(
impl, &CL_ComponentResizeHandler_Generic::on_key_down);
impl->slot_key_up = impl->client_area->sig_key_up().connect(
impl, &CL_ComponentResizeHandler_Generic::on_key_up);
impl->slot_mouse_move = impl->client_area->sig_mouse_move().connect(
impl, &CL_ComponentResizeHandler_Generic::on_mouse_move);
}
CL_ComponentResizeHandler::~CL_ComponentResizeHandler()
{
if (impl->client_area != NULL)
{
impl->owner->remove_child(impl->client_area);
delete impl->client_area;
}
delete impl;
}
void CL_ComponentResizeHandler_Generic::on_key_down(
CL_Component *comp,
CL_InputDevice *device,
const CL_Key &key)
{
if (device->get_type() != CL_InputDevice::type_mouse) return;
mouse_origin = CL_Point((int)key.x, (int)key.y);
is_active = true;
client_area->capture_mouse();
}
void CL_ComponentResizeHandler_Generic::on_key_up(
CL_Component *comp,
CL_InputDevice *device,
const CL_Key &key)
{
if (device->get_type() != CL_InputDevice::type_mouse) return;
is_active = false;
client_area->release_mouse();
}
void CL_ComponentResizeHandler_Generic::on_mouse_move(
CL_Component *comp,
int x,
int y)
{
if(is_active == false)
return;
int delta_x = x - mouse_origin.x;
int delta_y = y - mouse_origin.y;
owner->set_size(owner->get_width() + delta_x, owner->get_height() + delta_y);
CL_Rect rect = client_area->get_position();
client_area->set_position(rect.x1 + delta_x, rect.y1 + delta_y);
}
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