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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2003 The ScummVM project
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#include "stdafx.h"
#include "widget.h"
#include "dialog.h"
#include "newgui.h"
Widget::Widget (Dialog *boss, int x, int y, int w, int h)
: _type(0), _boss(boss), _x(x), _y(y), _w(w), _h(h),
_id(0), _flags(0), _hasFocus(false) {
// Insert into the widget list of the boss
_next = _boss->_firstWidget;
_boss->_firstWidget = this;
}
void Widget::draw() {
NewGui *gui = _boss->getGui();
if (!isVisible() || !_boss->isVisible())
return;
// Account for our relative position in the dialog
_x += _boss->_x;
_y += _boss->_y;
// Clear background (unless alpha blending is enabled)
if (_flags & WIDGET_CLEARBG)
gui->fillRect(_x, _y, _w, _h, gui->_bgcolor);
// Draw border
if (_flags & WIDGET_BORDER) {
gui->box(_x, _y, _w, _h, (_flags & WIDGET_INV_BORDER) == WIDGET_INV_BORDER);
_x += 4;
_y += 4;
_w -= 8;
}
// Now perform the actual widget draw
drawWidget((_flags & WIDGET_HILITED) ? true : false);
// Restore x/y
if (_flags & WIDGET_BORDER) {
_x -= 4;
_y -= 4;
_w += 8;
}
// Flag the draw area as dirty
gui->addDirtyRect(_x, _y, _w, _h);
_x -= _boss->_x;
_y -= _boss->_y;
}
#pragma mark -
StaticTextWidget::StaticTextWidget(Dialog *boss, int x, int y, int w, int h, const String &text, int align)
: Widget (boss, x, y, w, h), _align(align) {
_type = kStaticTextWidget;
setLabel(text);
}
void StaticTextWidget::setValue(int value) {
char buf[256];
sprintf(buf, "%d", value);
_label = buf;
}
void StaticTextWidget::drawWidget(bool hilite) {
NewGui *gui = _boss->getGui();
gui->drawString(_label, _x, _y, _w, gui->_textcolor, _align);
}
#pragma mark -
ButtonWidget::ButtonWidget(Dialog *boss, int x, int y, int w, int h, const String &label, uint32 cmd, uint8 hotkey)
: StaticTextWidget(boss, x, y, w, h, label, kTextAlignCenter), CommandSender(boss),
_cmd(cmd), _hotkey(hotkey) {
_flags = WIDGET_ENABLED | WIDGET_BORDER | WIDGET_CLEARBG;
_type = kButtonWidget;
}
void ButtonWidget::handleMouseUp(int x, int y, int button, int clickCount) {
if (isEnabled() && x >= 0 && x < _w && y >= 0 && y < _h)
sendCommand(_cmd, 0);
}
void ButtonWidget::drawWidget(bool hilite) {
NewGui *gui = _boss->getGui();
gui->drawString(_label, _x, _y, _w,
!isEnabled() ? gui->_color :
hilite ? gui->_textcolorhi : gui->_textcolor, _align);
}
#pragma mark -
PushButtonWidget::PushButtonWidget(Dialog *boss, int x, int y, int w, int h, const String &label, uint32 cmd, uint8 hotkey)
: ButtonWidget(boss, x, y, w, h, label, cmd, hotkey), _state(false) {
_flags = WIDGET_ENABLED | WIDGET_BORDER | WIDGET_CLEARBG;
_type = kButtonWidget;
}
void PushButtonWidget::setState(bool state) {
if (_state != state) {
_state = state;
_flags ^= WIDGET_INV_BORDER;
draw();
}
}
#pragma mark -
/* 8x8 checkbox bitmap */
static uint32 checked_img[8] = {
0x00000000,
0x01000010,
0x00100100,
0x00011000,
0x00011000,
0x00100100,
0x01000010,
0x00000000,
};
CheckboxWidget::CheckboxWidget(Dialog *boss, int x, int y, int w, int h, const String &label, uint32 cmd, uint8 hotkey)
: PushButtonWidget(boss, x, y, w, h, label, cmd, hotkey) {
_flags = WIDGET_ENABLED;
_type = kCheckboxWidget;
}
void CheckboxWidget::handleMouseUp(int x, int y, int button, int clickCount) {
if (isEnabled() && x >= 0 && x < _w && y >= 0 && y < _h) {
toggleState();
sendCommand(_cmd, 0);
}
}
void CheckboxWidget::drawWidget(bool hilite) {
NewGui *gui = _boss->getGui();
// Draw the box
gui->box(_x, _y, 14, 14);
// If checked, draw cross inside the box
if (_state)
gui->drawBitmap(checked_img, _x + 3, _y + 3, !isEnabled() ? gui->_color : gui->_textcolor);
else
gui->fillRect(_x + 2, _y + 2, 10, 10, gui->_bgcolor);
// Finally draw the label
gui->drawString(_label, _x + 20, _y + 3, _w, !isEnabled() ? gui->_color : gui->_textcolor);
}
#pragma mark -
SliderWidget::SliderWidget(Dialog *boss, int x, int y, int w, int h, const String &label, uint32 cmd, uint8 hotkey)
: ButtonWidget(boss, x, y, w, h, label, cmd, hotkey),
_value(0), _oldValue(0),_valueMin(0), _valueMax(100), _isDragging(false) {
_flags = WIDGET_ENABLED | WIDGET_TRACK_MOUSE | WIDGET_CLEARBG;
_type = kSliderWidget;
}
void SliderWidget::handleMouseMoved(int x, int y, int button) {
// TODO: when the mouse is dragged outside the widget, the slider should
// snap back to the old value.
if (isEnabled() && _isDragging) {
int newValue = posToValue(x);
if (newValue < _valueMin)
newValue = _valueMin;
else if (newValue > _valueMax)
newValue = _valueMax;
if (newValue != _value) {
_value = newValue;
draw();
sendCommand(_cmd, _value); // FIXME - hack to allow for "live update" in sound dialog
}
}
}
void SliderWidget::handleMouseDown(int x, int y, int button, int clickCount) {
if (isEnabled()) {
_isDragging = true;
handleMouseMoved(x, y, button);
}
}
void SliderWidget::handleMouseUp(int x, int y, int button, int clickCount) {
if (isEnabled() && _isDragging) {
sendCommand(_cmd, _value);
}
_isDragging = false;
}
void SliderWidget::drawWidget(bool hilite) {
NewGui *gui = _boss->getGui();
// Draw the box
gui->box(_x, _y, _w, _h);
// Draw the 'bar'
gui->fillRect(_x + 2, _y + 2, valueToPos(_value), _h - 4, hilite ? gui->_textcolorhi : gui->_textcolor);
}
int SliderWidget::valueToPos(int value) {
return ((_w - 4) * (value - _valueMin) / (_valueMax - _valueMin));
}
int SliderWidget::posToValue(int pos) {
return (pos) * (_valueMax - _valueMin) / (_w - 4) + _valueMin;
}
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