mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-19 16:33:50 +00:00
8fe3735f69
Fixed background shading weirdness when opening many dialogs on top of each other. Fixed some modal dialogs not redrawing properly when closed. svn-id: r39938
435 lines
11 KiB
C++
435 lines
11 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*/
|
|
|
|
#include "common/util.h"
|
|
#include "graphics/fontman.h"
|
|
#include "gui/widget.h"
|
|
#include "gui/dialog.h"
|
|
#include "gui/GuiManager.h"
|
|
|
|
#include "gui/ThemeEval.h"
|
|
|
|
namespace GUI {
|
|
|
|
Widget::Widget(GuiObject *boss, int x, int y, int w, int h)
|
|
: GuiObject(x, y, w, h), _type(0), _boss(boss),
|
|
_id(0), _flags(0), _hasFocus(false), _state(ThemeEngine::kStateEnabled) {
|
|
init();
|
|
}
|
|
|
|
Widget::Widget(GuiObject *boss, const Common::String &name)
|
|
: GuiObject(name), _type(0), _boss(boss),
|
|
_id(0), _flags(0), _hasFocus(false), _state(ThemeEngine::kStateDisabled) {
|
|
init();
|
|
}
|
|
|
|
void Widget::init() {
|
|
// Insert into the widget list of the boss
|
|
_next = _boss->_firstWidget;
|
|
_boss->_firstWidget = this;
|
|
}
|
|
|
|
Widget::~Widget() {
|
|
delete _next;
|
|
_next = 0;
|
|
}
|
|
|
|
void Widget::resize(int x, int y, int w, int h) {
|
|
_x = x;
|
|
_y = y;
|
|
_w = w;
|
|
_h = h;
|
|
}
|
|
|
|
void Widget::setFlags(int flags) {
|
|
updateState(_flags, _flags | flags);
|
|
_flags |= flags;
|
|
}
|
|
|
|
void Widget::clearFlags(int flags) {
|
|
updateState(_flags, _flags & ~flags);
|
|
_flags &= ~flags;
|
|
}
|
|
|
|
void Widget::updateState(int oldFlags, int newFlags) {
|
|
if (newFlags & WIDGET_ENABLED) {
|
|
_state = ThemeEngine::kStateEnabled;
|
|
if (newFlags & WIDGET_HILITED)
|
|
_state = ThemeEngine::kStateHighlight;
|
|
} else {
|
|
_state = ThemeEngine::kStateDisabled;
|
|
}
|
|
}
|
|
|
|
void Widget::draw() {
|
|
if (!isVisible() || !_boss->isVisible())
|
|
return;
|
|
|
|
int oldX = _x, oldY = _y;
|
|
|
|
// Account for our relative position in the dialog
|
|
_x = getAbsX();
|
|
_y = getAbsY();
|
|
|
|
// Draw border
|
|
if (_flags & WIDGET_BORDER) {
|
|
g_gui.theme()->drawWidgetBackground(Common::Rect(_x, _y, _x+_w, _y+_h), 0, ThemeEngine::kWidgetBackgroundBorder);
|
|
_x += 4;
|
|
_y += 4;
|
|
_w -= 8;
|
|
_h -= 8;
|
|
}
|
|
|
|
// Now perform the actual widget draw
|
|
drawWidget();
|
|
|
|
// Restore x/y
|
|
if (_flags & WIDGET_BORDER) {
|
|
_x -= 4;
|
|
_y -= 4;
|
|
_w += 8;
|
|
_h += 8;
|
|
}
|
|
|
|
_x = oldX;
|
|
_y = oldY;
|
|
|
|
// Draw all children
|
|
Widget *w = _firstWidget;
|
|
while (w) {
|
|
w->draw();
|
|
w = w->_next;
|
|
}
|
|
}
|
|
|
|
Widget *Widget::findWidgetInChain(Widget *w, int x, int y) {
|
|
while (w) {
|
|
// Stop as soon as we find a widget that contains the point (x,y)
|
|
if (x >= w->_x && x < w->_x + w->_w && y >= w->_y && y < w->_y + w->_h)
|
|
break;
|
|
w = w->_next;
|
|
}
|
|
if (w)
|
|
w = w->findWidget(x - w->_x, y - w->_y);
|
|
return w;
|
|
}
|
|
|
|
Widget *Widget::findWidgetInChain(Widget *w, const char *name) {
|
|
while (w) {
|
|
if (w->_name == name) {
|
|
return w;
|
|
}
|
|
w = w->_next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void Widget::setEnabled(bool e) {
|
|
if ((_flags & WIDGET_ENABLED) != e) {
|
|
if (e)
|
|
setFlags(WIDGET_ENABLED);
|
|
else
|
|
clearFlags(WIDGET_ENABLED);
|
|
|
|
_boss->draw();
|
|
}
|
|
}
|
|
|
|
bool Widget::isEnabled() const {
|
|
if (g_gui.xmlEval()->getVar("Dialog." + _name + ".Enabled", 1) == 0) {
|
|
return false;
|
|
}
|
|
return ((_flags & WIDGET_ENABLED) != 0);
|
|
}
|
|
|
|
void Widget::setVisible(bool e) {
|
|
if (e)
|
|
clearFlags(WIDGET_INVISIBLE);
|
|
else
|
|
setFlags(WIDGET_INVISIBLE);
|
|
}
|
|
|
|
bool Widget::isVisible() const {
|
|
if (g_gui.xmlEval()->getVar("Dialog." + _name + ".Visible", 1) == 0)
|
|
return false;
|
|
|
|
return !(_flags & WIDGET_INVISIBLE);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
StaticTextWidget::StaticTextWidget(GuiObject *boss, int x, int y, int w, int h, const Common::String &text, Graphics::TextAlign align)
|
|
: Widget(boss, x, y, w, h), _align(align) {
|
|
setFlags(WIDGET_ENABLED);
|
|
_type = kStaticTextWidget;
|
|
_label = text;
|
|
}
|
|
|
|
StaticTextWidget::StaticTextWidget(GuiObject *boss, const Common::String &name, const Common::String &text)
|
|
: Widget(boss, name) {
|
|
setFlags(WIDGET_ENABLED);
|
|
_type = kStaticTextWidget;
|
|
_label = text;
|
|
|
|
_align = (Graphics::TextAlign)g_gui.xmlEval()->getVar(name + ".Align", Graphics::kTextAlignLeft);
|
|
}
|
|
|
|
void StaticTextWidget::setValue(int value) {
|
|
char buf[256];
|
|
sprintf(buf, "%d", value);
|
|
_label = buf;
|
|
}
|
|
|
|
void StaticTextWidget::setLabel(const Common::String &label) {
|
|
if (_label != label) {
|
|
_label = label;
|
|
|
|
// when changing the label, add the CLEARBG flag
|
|
// so the widget is completely redrawn, otherwise
|
|
// the new text is drawn on top of the old one.
|
|
setFlags(WIDGET_CLEARBG);
|
|
draw();
|
|
clearFlags(WIDGET_CLEARBG);
|
|
}
|
|
}
|
|
|
|
void StaticTextWidget::setAlign(Graphics::TextAlign align) {
|
|
_align = align;
|
|
// TODO: We should automatically redraw when the alignment is changed.
|
|
// See setLabel() for more insights.
|
|
}
|
|
|
|
|
|
void StaticTextWidget::drawWidget() {
|
|
g_gui.theme()->drawText(Common::Rect(_x, _y, _x+_w, _y+_h), _label, _state, _align);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
ButtonWidget::ButtonWidget(GuiObject *boss, int x, int y, int w, int h, const Common::String &label, uint32 cmd, uint8 hotkey)
|
|
: StaticTextWidget(boss, x, y, w, h, label, Graphics::kTextAlignCenter), CommandSender(boss),
|
|
_cmd(cmd), _hotkey(hotkey) {
|
|
setFlags(WIDGET_ENABLED/* | WIDGET_BORDER*/ | WIDGET_CLEARBG);
|
|
_type = kButtonWidget;
|
|
}
|
|
|
|
ButtonWidget::ButtonWidget(GuiObject *boss, const Common::String &name, const Common::String &label, uint32 cmd, uint8 hotkey)
|
|
: StaticTextWidget(boss, name, label), CommandSender(boss),
|
|
_cmd(cmd), _hotkey(hotkey) {
|
|
setFlags(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() {
|
|
g_gui.theme()->drawButton(Common::Rect(_x, _y, _x+_w, _y+_h), _label, _state, getFlags());
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
CheckboxWidget::CheckboxWidget(GuiObject *boss, int x, int y, int w, int h, const Common::String &label, uint32 cmd, uint8 hotkey)
|
|
: ButtonWidget(boss, x, y, w, h, label, cmd, hotkey), _state(false) {
|
|
setFlags(WIDGET_ENABLED);
|
|
_type = kCheckboxWidget;
|
|
}
|
|
|
|
CheckboxWidget::CheckboxWidget(GuiObject *boss, const Common::String &name, const Common::String &label, uint32 cmd, uint8 hotkey)
|
|
: ButtonWidget(boss, name, label, cmd, hotkey), _state(false) {
|
|
setFlags(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();
|
|
}
|
|
}
|
|
|
|
void CheckboxWidget::setState(bool state) {
|
|
if (_state != state) {
|
|
_state = state;
|
|
//_flags ^= WIDGET_INV_BORDER;
|
|
draw();
|
|
}
|
|
sendCommand(_cmd, _state);
|
|
}
|
|
|
|
void CheckboxWidget::drawWidget() {
|
|
g_gui.theme()->drawCheckbox(Common::Rect(_x, _y, _x+_w, _y+_h), _label, _state, Widget::_state);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
SliderWidget::SliderWidget(GuiObject *boss, int x, int y, int w, int h, uint32 cmd)
|
|
: Widget(boss, x, y, w, h), CommandSender(boss),
|
|
_cmd(cmd), _value(0), _oldValue(0), _valueMin(0), _valueMax(100), _isDragging(false) {
|
|
setFlags(WIDGET_ENABLED | WIDGET_TRACK_MOUSE | WIDGET_CLEARBG);
|
|
_type = kSliderWidget;
|
|
}
|
|
|
|
SliderWidget::SliderWidget(GuiObject *boss, const Common::String &name, uint32 cmd)
|
|
: Widget(boss, name), CommandSender(boss),
|
|
_cmd(cmd), _value(0), _oldValue(0), _valueMin(0), _valueMax(100), _isDragging(false) {
|
|
setFlags(WIDGET_ENABLED | WIDGET_TRACK_MOUSE | WIDGET_CLEARBG);
|
|
_type = kSliderWidget;
|
|
}
|
|
|
|
void SliderWidget::handleMouseMoved(int x, int y, int button) {
|
|
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::handleMouseWheel(int x, int y, int direction) {
|
|
if (isEnabled() && !_isDragging) {
|
|
// Increment or decrement one position
|
|
int newValue = posToValue(valueToPos(_value) - 1 * direction);
|
|
|
|
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::drawWidget() {
|
|
g_gui.theme()->drawSlider(Common::Rect(_x, _y, _x + _w, _y + _h), valueToBarWidth(_value), _state);
|
|
}
|
|
|
|
int SliderWidget::valueToBarWidth(int value) {
|
|
return (_w * (value - _valueMin) / (_valueMax - _valueMin));
|
|
}
|
|
|
|
int SliderWidget::valueToPos(int value) {
|
|
return ((_w - 1) * (value - _valueMin + 1) / (_valueMax - _valueMin));
|
|
}
|
|
|
|
int SliderWidget::posToValue(int pos) {
|
|
return (pos) * (_valueMax - _valueMin) / (_w - 1) + _valueMin;
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
GraphicsWidget::GraphicsWidget(GuiObject *boss, int x, int y, int w, int h)
|
|
: Widget(boss, x, y, w, h), _gfx(), _alpha(256), _transparency(false) {
|
|
setFlags(WIDGET_ENABLED | WIDGET_CLEARBG);
|
|
_type = kGraphicsWidget;
|
|
}
|
|
|
|
GraphicsWidget::GraphicsWidget(GuiObject *boss, const Common::String &name)
|
|
: Widget(boss, name), _gfx(), _alpha(256), _transparency(false) {
|
|
setFlags(WIDGET_ENABLED | WIDGET_CLEARBG);
|
|
_type = kGraphicsWidget;
|
|
}
|
|
|
|
GraphicsWidget::~GraphicsWidget() {
|
|
_gfx.free();
|
|
}
|
|
|
|
void GraphicsWidget::setGfx(const Graphics::Surface *gfx) {
|
|
_gfx.free();
|
|
|
|
if (!gfx || !gfx->pixels)
|
|
return;
|
|
|
|
// TODO: add conversion to OverlayColor
|
|
_gfx.copyFrom(*gfx);
|
|
}
|
|
|
|
void GraphicsWidget::setGfx(int w, int h, int r, int g, int b) {
|
|
if (w == -1)
|
|
w = _w;
|
|
if (h == -1)
|
|
h = _h;
|
|
|
|
_gfx.free();
|
|
_gfx.create(w, h, sizeof(OverlayColor));
|
|
|
|
OverlayColor *dst = (OverlayColor*)_gfx.pixels;
|
|
Graphics::PixelFormat overlayFormat = g_system->getOverlayFormat();
|
|
OverlayColor fillCol = overlayFormat.RGBToColor(r, g, b);
|
|
while (h--) {
|
|
for (int i = 0; i < w; ++i) {
|
|
*dst++ = fillCol;
|
|
}
|
|
}
|
|
}
|
|
|
|
void GraphicsWidget::drawWidget() {
|
|
if (sizeof(OverlayColor) == _gfx.bytesPerPixel && _gfx.pixels)
|
|
g_gui.theme()->drawSurface(Common::Rect(_x, _y, _x+_w, _y+_h), _gfx, _state, _alpha, _transparency);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
ContainerWidget::ContainerWidget(GuiObject *boss, int x, int y, int w, int h) : Widget(boss, x, y, w, h) {
|
|
setFlags(WIDGET_ENABLED | WIDGET_CLEARBG);
|
|
_type = kContainerWidget;
|
|
}
|
|
|
|
ContainerWidget::ContainerWidget(GuiObject *boss, const Common::String &name) : Widget(boss, name) {
|
|
setFlags(WIDGET_ENABLED | WIDGET_CLEARBG);
|
|
_type = kContainerWidget;
|
|
}
|
|
|
|
void ContainerWidget::drawWidget() {
|
|
g_gui.theme()->drawWidgetBackground(Common::Rect(_x, _y, _x + _w, _y + _h), 0, ThemeEngine::kWidgetBackgroundBorder);
|
|
}
|
|
|
|
} // End of namespace GUI
|