colobot/src/ui/editvalue.cpp

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/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
#include "ui/editvalue.h"
#include "common/event.h"
#include "common/misc.h"
#include "ui/edit.h"
#include "ui/button.h"
namespace Ui {
// Object's constructor.
CEditValue::CEditValue() : CControl ()
{
m_edit = 0;
m_buttonUp = 0;
m_buttonDown = 0;
m_type = EVT_100; // %
m_stepValue = 0.1f; // 10%
m_minValue = 0.0f; // 0%
m_maxValue = 1.0f; // 100%
}
// Object's destructor.
CEditValue::~CEditValue()
{
delete m_edit;
delete m_buttonUp;
delete m_buttonDown;
}
// Creates a new button.
bool CEditValue::Create(Math::Point pos, Math::Point dim, int icon, EventType eventType)
{
Ui::CEdit* pe;
Ui::CButton* pc;
if ( eventType == EVENT_NULL ) eventType = GetUniqueEventType();
CControl::Create(pos, dim, icon, eventType);
GlintDelete();
m_edit = new Ui::CEdit();
pe = static_cast<Ui::CEdit*>(m_edit);
pe->Create(pos, dim, 0, EVENT_NULL);
pe->SetMaxChar(4);
m_buttonUp = new Ui::CButton();
pc = static_cast<Ui::CButton*>(m_buttonUp);
pc->Create(pos, dim, 49, EVENT_NULL); // ^
pc->SetRepeat(true);
m_buttonDown = new Ui::CButton();
pc = static_cast<Ui::CButton*>(m_buttonDown);
pc->Create(pos, dim, 50, EVENT_NULL); // v
pc->SetRepeat(true);
MoveAdjust();
return true;
}
void CEditValue::SetPos(Math::Point pos)
{
CControl::SetPos(pos);
MoveAdjust();
}
void CEditValue::SetDim(Math::Point dim)
{
CControl::SetDim(dim);
MoveAdjust();
}
void CEditValue::MoveAdjust()
{
Math::Point pos, dim;
if ( m_edit != 0 )
{
pos.x = m_pos.x;
pos.y = m_pos.y;
dim.x = m_dim.x-m_dim.y*0.6f;
dim.y = m_dim.y;
m_edit->SetPos(pos);
m_edit->SetDim(dim);
}
if ( m_buttonUp != 0 )
{
pos.x = m_pos.x+m_dim.x-m_dim.y*0.6f;
pos.y = m_pos.y+m_dim.y*0.5f;
dim.x = m_dim.y*0.6f;
dim.y = m_dim.y*0.5f;
m_buttonUp->SetPos(pos);
m_buttonUp->SetDim(dim);
}
if ( m_buttonDown != 0 )
{
pos.x = m_pos.x+m_dim.x-m_dim.y*0.6f;
pos.y = m_pos.y;
dim.x = m_dim.y*0.6f;
dim.y = m_dim.y*0.5f;
m_buttonDown->SetPos(pos);
m_buttonDown->SetDim(dim);
}
}
// Management of an event.
bool CEditValue::EventProcess(const Event &event)
{
float value;
CControl::EventProcess(event);
if ( (m_state & STATE_VISIBLE) == 0 ) return true;
if ( (m_state & STATE_ENABLE) == 0 ) return true;
if ( m_edit != 0 )
{
if ( m_edit->GetFocus() &&
event.type == EVENT_KEY_DOWN &&
event.key.key == KEY(RETURN) )
{
value = GetValue();
if ( value > m_maxValue ) value = m_maxValue;
if ( value < m_minValue ) value = m_minValue;
SetValue(value, true);
HiliteValue(event);
}
if ( !m_edit->EventProcess(event) ) return false;
if ( event.type == m_edit->GetEventType() )
{
Event newEvent(m_eventType);
m_event->AddEvent(newEvent);
}
}
if ( m_buttonUp != 0 )
{
if ( event.type == m_buttonUp->GetEventType() )
{
value = GetValue()+m_stepValue;
if ( value > m_maxValue ) value = m_maxValue;
SetValue(value, true);
HiliteValue(event);
}
if ( !m_buttonUp->EventProcess(event) ) return false;
}
if ( m_buttonDown != 0 )
{
if ( event.type == m_buttonDown->GetEventType() )
{
value = GetValue()-m_stepValue;
if ( value < m_minValue ) value = m_minValue;
SetValue(value, true);
HiliteValue(event);
}
if ( !m_buttonDown->EventProcess(event) ) return false;
}
if (event.type == EVENT_MOUSE_WHEEL &&
event.mouseWheel.dir == WHEEL_UP &&
Detect(event.mousePos))
{
value = GetValue()+m_stepValue;
if ( value > m_maxValue ) value = m_maxValue;
SetValue(value, true);
HiliteValue(event);
}
if ( event.type == EVENT_KEY_DOWN &&
event.mouseWheel.dir == WHEEL_DOWN &&
Detect(event.mousePos))
{
value = GetValue()-m_stepValue;
if ( value < m_minValue ) value = m_minValue;
SetValue(value, true);
HiliteValue(event);
}
return true;
}
// Puts in evidence the edited value.
void CEditValue::HiliteValue(const Event &event)
{
int pos;
if ( m_edit == 0 ) return;
pos = m_edit->GetTextLength();
if ( m_type == EVT_100 && pos > 0 )
{
pos --; // not only selects the "%"
}
m_edit->SetCursor(pos, 0);
m_edit->SetFocus(true);
Event newEvent = event;
newEvent.type = EVENT_FOCUS;
newEvent.customParam = m_edit->GetEventType();
m_event->AddEvent(newEvent); // defocus the other objects
}
// Draw button.
void CEditValue::Draw()
{
if ( (m_state & STATE_VISIBLE) == 0 ) return;
if ( m_state & STATE_SHADOW )
{
DrawShadow(m_pos, m_dim);
}
if ( m_edit != 0 )
{
m_edit->Draw();
}
if ( m_buttonUp != 0 )
{
m_buttonUp->Draw();
}
if ( m_buttonDown != 0 )
{
m_buttonDown->Draw();
}
}
// Choosing the type of value.
void CEditValue::SetType(EditValueType type)
{
m_type = type;
}
EditValueType CEditValue::GetType()
{
return m_type;
}
// Changes the value.
void CEditValue::SetValue(float value, bool bSendMessage)
{
char text[100];
if ( m_edit == 0 ) return;
text[0] = 0;
if ( m_type == EVT_INT )
{
sprintf(text, "%d", static_cast<int>(value));
}
if ( m_type == EVT_FLOAT )
{
sprintf(text, "%.2f", value);
}
if ( m_type == EVT_100 )
{
sprintf(text, "%d%%", static_cast<int>(value*100.0f));
}
m_edit->SetText(text);
if ( bSendMessage )
{
Event newEvent(m_eventType);
m_event->AddEvent(newEvent);
}
}
// Return the edited value.
float CEditValue::GetValue()
{
char text[100];
float value = 0.0f;
if ( m_edit != 0 )
{
m_edit->GetText(text, 100);
sscanf(text, "%f", &value);
if ( m_type == EVT_100 )
{
value = (value+0.5f)/100.0f;
if ( value < 0.01f ) value = 0.0f; // less than 1%?
}
}
return value;
}
// Management not for buttons.
void CEditValue::SetStepValue(float value)
{
m_stepValue = value;
}
float CEditValue::GetStepValue()
{
return m_stepValue;
}
// Management of the minimum value.
void CEditValue::SetMinValue(float value)
{
m_minValue = value;
}
float CEditValue::GetMinValue()
{
return m_minValue;
}
// Management of the maximum value.
void CEditValue::SetMaxValue(float value)
{
m_maxValue = value;
}
float CEditValue::GetMaxValue()
{
return m_maxValue;
}
}