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|
/* 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 "gui/ThemeClassic.h"
#include "gui/eval.h"
namespace GUI {
ThemeClassic::ThemeClassic(OSystem *system, const Common::String &config, const Common::ConfigFile *cfg) : Theme() {
_enableBlending = true;
_stylefile = config;
_system = system;
_initOk = false;
_enabled = false;
_font = 0;
_fontName.clear();
memset(&_screen, 0, sizeof(_screen));
#ifndef CT_NO_TRANSPARENCY
memset(&_dialog, 0, sizeof(_dialog));
#endif
_font = 0;
// 'classic' is always the built in one, we force it and
// ignore all 'classic' named config files
if (config.compareToIgnoreCase("classic (builtin)") != 0) {
if (cfg)
_configFile = *cfg;
else
loadConfigFile(_stylefile);
}
if (_configFile.hasKey("name", "theme"))
_configFile.getKey("name", "theme", _stylename);
else
_stylename = _stylefile;
}
ThemeClassic::~ThemeClassic() {
deinit();
}
bool ThemeClassic::init() {
deinit();
_screen.create(_system->getOverlayWidth(), _system->getOverlayHeight(), sizeof(OverlayColor));
if (_screen.pixels) {
_initOk = true;
clearAll();
resetDrawArea();
}
if (isThemeLoadingRequired()) {
loadTheme(_defaultConfig);
loadTheme(_configFile, false, true);
setupConfig();
}
_bgcolor = _system->RGBToColor(_colors[kBGColor][0], _colors[kBGColor][1], _colors[kBGColor][2]);
_color = _system->RGBToColor(_colors[kColor][0], _colors[kColor][1], _colors[kColor][2]);
_shadowcolor = _system->RGBToColor(_colors[kShadowColor][0], _colors[kShadowColor][1], _colors[kShadowColor][2]);
_textcolor = _system->RGBToColor(_colors[kTextColor][0], _colors[kTextColor][1], _colors[kTextColor][2]);
_textcolorhi = _system->RGBToColor(_colors[kTextColorHi][0], _colors[kTextColorHi][1], _colors[kTextColorHi][2]);
if (_fontName.empty()) {
if (_screen.w >= 400 && _screen.h >= 300) {
_font = FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont);
} else {
_font = FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
}
}
return true;
}
void ThemeClassic::deinit() {
if (_initOk) {
_system->hideOverlay();
_screen.free();
_initOk = false;
}
}
void ThemeClassic::refresh() {
init();
if (_enabled)
_system->showOverlay();
}
void ThemeClassic::enable() {
init();
resetDrawArea();
_system->showOverlay();
clearAll();
_enabled = true;
}
void ThemeClassic::disable() {
_system->hideOverlay();
_enabled = false;
}
void ThemeClassic::openDialog(bool topDialog, ShadingStyle shading) {
#ifndef CT_NO_TRANSPARENCY
if (!_dialog) {
_dialog = new DialogState;
assert(_dialog);
// first dialog
_dialog->screen.create(_screen.w, _screen.h, sizeof(OverlayColor));
}
memcpy(_dialog->screen.pixels, _screen.pixels, _screen.pitch*_screen.h);
if (!_enableBlending)
_dialog->screen.fillRect(Common::Rect(0, 0, _screen.w, _screen.h), _bgcolor);
else
blendScreenToDialog();
#endif
}
void ThemeClassic::closeAllDialogs() {
#ifndef CT_NO_TRANSPARENCY
if (_dialog) {
_dialog->screen.free();
delete _dialog;
_dialog = 0;
}
_forceRedraw = true;
#endif
}
void ThemeClassic::clearAll() {
if (!_initOk)
return;
_system->clearOverlay();
// FIXME: problem with the 'pitch'
_system->grabOverlay((OverlayColor*)_screen.pixels, _screen.w);
}
void ThemeClassic::updateScreen() {
_forceRedraw = false;
}
void ThemeClassic::resetDrawArea() {
if (_initOk) {
_drawArea = Common::Rect(0, 0, _screen.w, _screen.h);
}
}
int ThemeClassic::getTabSpacing() const {
return 2;
}
int ThemeClassic::getTabPadding() const {
return 3;
}
void ThemeClassic::drawDialogBackground(const Common::Rect &r, uint16 hints, WidgetStateInfo state) {
if (!_initOk)
return;
restoreBackground(r);
#ifndef CT_NO_TRANSPARENCY
if ((hints & THEME_HINT_SAVE_BACKGROUND) && !(hints & THEME_HINT_FIRST_DRAW) && !_forceRedraw) {
addDirtyRect(r);
return;
}
#endif
box(r.left, r.top, r.width(), r.height(), _color, _shadowcolor);
addDirtyRect(r, (hints & THEME_HINT_SAVE_BACKGROUND) != 0);
}
void ThemeClassic::drawText(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, TextAlign align, bool inverted, int deltax, bool useEllipsis, FontStyle font) {
if (!_initOk)
return;
if (!inverted) {
restoreBackground(r);
_font->drawString(&_screen, str, r.left, r.top, r.width(), getColor(state), convertAligment(align), deltax, useEllipsis);
} else {
_screen.fillRect(r, getColor(state));
_font->drawString(&_screen, str, r.left, r.top, r.width(), _bgcolor, convertAligment(align), deltax, useEllipsis);
}
addDirtyRect(r);
}
void ThemeClassic::drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, WidgetStateInfo state) {
if (!_initOk)
return;
restoreBackground(r);
font->drawChar(&_screen, ch, r.left, r.top, getColor(state));
addDirtyRect(r);
}
void ThemeClassic::drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, WidgetStateInfo state) {
if (!_initOk || background == kWidgetBackgroundNo)
return;
restoreBackground(r);
#ifndef CT_NO_TRANSPARENCY
if ((hints & THEME_HINT_SAVE_BACKGROUND) && !(hints & THEME_HINT_FIRST_DRAW) && !_forceRedraw) {
addDirtyRect(r);
return;
}
#endif
switch (background) {
case kWidgetBackgroundBorder:
box(r.left, r.top, r.width(), r.height(), _color, _shadowcolor);
break;
//case kWidgetBackgroundPlain:
//case kWidgetBackgroundBorderSmall:
default:
box(r.left, r.top, r.width(), r.height());
break;
};
addDirtyRect(r, (hints & THEME_HINT_SAVE_BACKGROUND) != 0);
}
void ThemeClassic::drawButton(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, uint16 hints) {
if (!_initOk)
return;
restoreBackground(r);
drawWidgetBackground(r, 0, kWidgetBackgroundBorder, state);
const int off = (r.height() - _font->getFontHeight()) / 2;
_font->drawString(&_screen, str, r.left, r.top+off, r.width(), getColor(state), Graphics::kTextAlignCenter, 0, false);
addDirtyRect(r);
}
void ThemeClassic::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, WidgetStateInfo state, int alpha, bool themeTrans) {
if (!_initOk)
return;
Common::Rect rect(r.left, r.top, r.left + surface.w, r.top + surface.h);
rect.clip(_screen.w, _screen.h);
if (!rect.isValidRect())
return;
assert(surface.bytesPerPixel == sizeof(OverlayColor));
OverlayColor *src = (OverlayColor *)surface.pixels;
OverlayColor *dst = (OverlayColor *)_screen.getBasePtr(rect.left, rect.top);
int w = rect.width();
int h = rect.height();
while (h--) {
memcpy(dst, src, surface.pitch);
src += w;
// FIXME: this should be pitch
dst += _screen.w;
}
addDirtyRect(r);
}
void ThemeClassic::drawSlider(const Common::Rect &r, int width, WidgetStateInfo state) {
if (!_initOk)
return;
Common::Rect r2 = r;
restoreBackground(r);
box(r.left, r.top, r.width(), r.height(), _color, _shadowcolor);
r2.left = r.left + 2;
r2.top = r.top + 2;
r2.bottom = r.bottom - 2;
r2.right = r2.left + width;
if (r2.right > r.right - 2) {
r2.right = r.right - 2;
}
_screen.fillRect(r2, getColor(state));
addDirtyRect(r);
}
void ThemeClassic::drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, WidgetStateInfo state, TextAlign align) {
if (!_initOk)
return;
restoreBackground(r);
box(r.left, r.top, r.width(), r.height());
Common::Point p0, p1;
p0 = Common::Point(r.right + 1 - r.height() / 2, r.top + 4);
p1 = Common::Point(r.right + 1 - r.height() / 2, r.bottom - 4);
OverlayColor color = getColor(state);
// Evil HACK to draw filled triangles
// FIXME: The "big" version is pretty ugly.
for (; p1.y - p0.y > 1; p0.y++, p0.x--, p1.y--, p1.x++) {
_screen.drawLine(p0.x, p0.y, p1.x, p0.y, color);
_screen.drawLine(p0.x, p1.y, p1.x, p1.y, color);
}
if (!sel.empty()) {
Common::Rect text(r.left + 2, r.top + 3, r.right - 4, r.top + 3 + _font->getFontHeight());
_font->drawString(&_screen, sel, text.left, text.top, text.width(), color, convertAligment(align), deltax, false);
}
addDirtyRect(r);
}
void ThemeClassic::drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state) {
if (!_initOk)
return;
Common::Rect r2 = r;
int checkBoxSize = getFontHeight();
if (checkBoxSize > r.height()) {
checkBoxSize = r.height();
}
r2.bottom = r2.top + checkBoxSize;
restoreBackground(r2);
box(r.left, r.top, checkBoxSize, checkBoxSize, _color, _shadowcolor);
if (checked) {
r2.top += 3;
r2.bottom = r.top + checkBoxSize - 4;
r2.left += 3;
r2.right = r.left + checkBoxSize - 4;
OverlayColor c = getColor(state);
// Draw a cross
_screen.drawLine(r2.left, r2.top, r2.right, r2.bottom, c);
_screen.drawLine(r2.left, r2.bottom, r2.right, r2.top, c);
if (r2.height() > 5) {
// Thicken the lines
_screen.drawLine(r2.left, r2.top + 1, r2.right - 1, r2.bottom, c);
_screen.drawLine(r2.left + 1, r2.top, r2.right, r2.bottom - 1, c);
_screen.drawLine(r2.left, r2.bottom - 1, r2.right - 1, r2.top, c);
_screen.drawLine(r2.left + 1, r2.bottom, r2.right, r2.top + 1, c);
}
r2 = r;
}
r2.left += checkBoxSize + 10;
_font->drawString(&_screen, str, r2.left, r2.top, r2.width(), getColor(state), Graphics::kTextAlignLeft, 0, true);
addDirtyRect(r);
}
void ThemeClassic::drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state) {
if (!_initOk)
return;
restoreBackground(r);
for (int i = 0; i < (int)tabs.size(); ++i) {
if (i == active)
continue;
box(r.left + i * tabWidth, r.top+2, tabWidth, tabHeight-2, _color, _shadowcolor);
_font->drawString(&_screen, tabs[i], r.left + i * tabWidth, r.top+4, tabWidth, getColor(state), Graphics::kTextAlignCenter, 0, true);
}
if (active >= 0) {
box(r.left + active * tabWidth, r.top, tabWidth, tabHeight, _color, _shadowcolor, true);
_font->drawString(&_screen, tabs[active], r.left + active * tabWidth, r.top+titleVPad, tabWidth, getColor(kStateHighlight), Graphics::kTextAlignCenter, 0, true);
_screen.hLine(r.left, r.top + tabHeight, r.left + active * tabWidth + 1, _color);
_screen.hLine(r.left + active * tabWidth + tabWidth - 2, r.top + tabHeight, r.right, _color);
_screen.hLine(r.left, r.bottom - 1, r.right - 1, _shadowcolor);
_screen.vLine(r.left, r.top + tabHeight, r.bottom - 1, _color);
_screen.vLine(r.right - 1, r.top + tabHeight, r.bottom - 1, _shadowcolor);
}
addDirtyRect(r);
}
void ThemeClassic::drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState scroll, WidgetStateInfo state) {
if (!_initOk)
return;
restoreBackground(r);
Common::Rect r2 = r;
box(r.left, r.top, r.width(), r.height(), _color, _shadowcolor);
const int UP_DOWN_BOX_HEIGHT = r.width() + 1;
const int B = 3;
const int arrowSize = (r.width() / 2 - B + 1);
OverlayColor color = 0;
if (scroll == kScrollbarStateSinglePage) {
color = _color;
} else if (scroll == kScrollbarStateUp && state == kStateHighlight) {
color = _textcolorhi;
} else {
color = _textcolor;
}
// draws the 'up' button
box(r.left, r.top, r.width(), UP_DOWN_BOX_HEIGHT, _color, _shadowcolor);
Common::Point p0 = Common::Point(r.left + r.width() / 2, r.top + (UP_DOWN_BOX_HEIGHT - arrowSize - 1) / 2);
Common::Point p1 = Common::Point(p0.x - arrowSize, p0.y + arrowSize);
Common::Point p2 = Common::Point(p0.x + arrowSize, p0.y + arrowSize);
for (; p1.x <= p2.x; ++p1.x)
_screen.drawLine(p0.x, p0.y, p1.x, p1.y, color);
if (scroll != kScrollbarStateSinglePage) {
r2.top += sliderY;
r2.left += 2;
r2.right -= 2;
r2.bottom = r2.top + sliderHeight;
_screen.fillRect(r2, (state == kStateHighlight && scroll == kScrollbarStateSlider) ? _textcolorhi : _textcolor);
box(r2.left, r2.top, r2.width(), r2.height());
int y = r2.top + sliderHeight / 2;
color = (state == kStateHighlight && scroll == kScrollbarStateSlider) ? _color : _bgcolor;
_screen.hLine(r2.left + 1, y - 2, r2.right - 2, color);
_screen.hLine(r2.left + 1, y, r2.right - 2, color);
_screen.hLine(r2.left + 1, y + 2, r2.right - 2, color);
r2 = r;
}
r2.top = r2.bottom - UP_DOWN_BOX_HEIGHT;
if (scroll == kScrollbarStateSinglePage) {
color = _color;
} else if (scroll == kScrollbarStateDown && state == kStateHighlight) {
color = _textcolorhi;
} else {
color = _textcolor;
}
// draws the 'down' button
box(r2.left, r2.top, r2.width(), UP_DOWN_BOX_HEIGHT, _color, _shadowcolor);
p0 = Common::Point(r2.left + r2.width() / 2, r2.top + (UP_DOWN_BOX_HEIGHT + arrowSize + 1) / 2);
p1 = Common::Point(p0.x - arrowSize, p0.y - arrowSize);
p2 = Common::Point(p0.x + arrowSize, p0.y - arrowSize);
for (; p1.x <= p2.x; ++p1.x)
_screen.drawLine(p0.x, p0.y, p1.x, p1.y, color);
addDirtyRect(r);
}
void ThemeClassic::drawCaret(const Common::Rect &r, bool erase, WidgetStateInfo state) {
if (!_initOk)
return;
OverlayColor color = 0;
if (erase) {
color = _bgcolor;
} else {
color = getColor(state);
}
_screen.vLine(r.left, r.top, r.bottom - 2, color);
addDirtyRect(r);
}
void ThemeClassic::drawLineSeparator(const Common::Rect &r, WidgetStateInfo state) {
if (!_initOk)
return;
_screen.hLine(r.left - 1, r.top + r.height() / 2, r.right, _shadowcolor);
_screen.hLine(r.left, r.top + 1 + r.height() / 2, r.right, _color);
addDirtyRect(r);
}
// intern drawing
void ThemeClassic::restoreBackground(Common::Rect r, bool special) {
r.clip(_screen.w, _screen.h);
r.clip(_drawArea);
#ifdef CT_NO_TRANSPARENCY
_screen.fillRect(r, _bgcolor);
#else
if (_dialog) {
if (!_dialog->screen.pixels) {
_screen.fillRect(r, _bgcolor);
return;
}
const OverlayColor *src = (const OverlayColor*)_dialog->screen.getBasePtr(r.left, r.top);
OverlayColor *dst = (OverlayColor*)_screen.getBasePtr(r.left, r.top);
int h = r.height();
int w = r.width();
while (h--) {
memcpy(dst, src, w*sizeof(OverlayColor));
src += _dialog->screen.w;
dst += _screen.w;
}
} else {
_screen.fillRect(r, _bgcolor);
}
#endif
}
bool ThemeClassic::addDirtyRect(Common::Rect r, bool save, bool special) {
// TODO: implement proper dirty rect handling
// FIXME: problem with the 'pitch'
r.clip(_screen.w, _screen.h);
r.clip(_drawArea);
_system->copyRectToOverlay((OverlayColor*)_screen.getBasePtr(r.left, r.top), _screen.w, r.left, r.top, r.width(), r.height());
#ifndef CT_NO_TRANSPARENCY
if (_dialog && save) {
if (_dialog->screen.pixels) {
OverlayColor *dst = (OverlayColor*)_dialog->screen.getBasePtr(r.left, r.top);
const OverlayColor *src = (const OverlayColor*)_screen.getBasePtr(r.left, r.top);
int h = r.height();
while (h--) {
memcpy(dst, src, r.width()*sizeof(OverlayColor));
dst += _dialog->screen.w;
src += _screen.w;
}
}
}
#endif
return true;
}
void ThemeClassic::box(int x, int y, int width, int height, OverlayColor colorA, OverlayColor colorB, bool skipLastRow) {
if (y >= 0) {
_screen.hLine(x + 1, y, x + width - 2, colorA);
_screen.hLine(x, y + 1, x + width - 1, colorA);
}
int drawY = y;
if (drawY < 0) {
height += drawY;
drawY = 0;
}
_screen.vLine(x, drawY + 1, drawY + height - 2, colorA);
_screen.vLine(x + 1, drawY, drawY + height - 1, colorA);
_screen.vLine(x + width - 1, drawY + 1, drawY + height - 2, colorB);
_screen.vLine(x + width - 2, drawY + 1, drawY + height - 1, colorB);
if (y + height >= 0 && !skipLastRow) {
_screen.hLine(x + 1, drawY + height - 2, x + width - 1, colorB);
_screen.hLine(x + 1, drawY + height - 1, x + width - 2, colorB);
}
}
void ThemeClassic::box(int x, int y, int w, int h) {
_screen.hLine(x, y, x + w - 1, _color);
_screen.hLine(x, y + h - 1, x +w - 1, _shadowcolor);
_screen.vLine(x, y, y + h - 1, _color);
_screen.vLine(x + w - 1, y, y + h - 1, _shadowcolor);
}
OverlayColor ThemeClassic::getColor(State state) {
OverlayColor usedColor = _color;
switch (state) {
case kStateEnabled:
usedColor = _textcolor;
break;
case kStateHighlight:
usedColor = _textcolorhi;
break;
default:
break;
}
return usedColor;
}
#ifndef CT_NO_TRANSPARENCY
void ThemeClassic::blendScreenToDialog() {
Common::Rect rect(0, 0, _screen.w, _screen.h);
if (!rect.isValidRect())
return;
if (_system->hasFeature(OSystem::kFeatureOverlaySupportsAlpha)) {
int a, r, g, b;
uint8 aa, ar, ag, ab;
_system->colorToARGB(_bgcolor, aa, ar, ag, ab);
a = aa*3/(3+1);
if (a < 1)
return;
r = ar * a;
g = ag * a;
b = ab * a;
OverlayColor *ptr = (OverlayColor*)_dialog->screen.getBasePtr(rect.left, rect.top);
int h = rect.height();
int w = rect.width();
while (h--) {
for (int i = 0; i < w; i++) {
_system->colorToARGB(ptr[i], aa, ar, ag, ab);
int a2 = aa + a - (a*aa)/255;
ptr[i] = _system->ARGBToColor(a2,
((255-a)*aa*ar/255+r)/a2,
((255-a)*aa*ag/255+g)/a2,
((255-a)*aa*ab/255+b)/a2);
}
ptr += _screen.w;
}
} else {
int r, g, b;
uint8 ar, ag, ab;
_system->colorToRGB(_bgcolor, ar, ag, ab);
r = ar * 3;
g = ag * 3;
b = ab * 3;
OverlayColor *ptr = (OverlayColor*)_dialog->screen.getBasePtr(rect.left, rect.top);
int h = rect.height();
int w = rect.width();
while (h--) {
for (int i = 0; i < w; i++) {
_system->colorToRGB(ptr[i], ar, ag, ab);
ptr[i] = _system->RGBToColor((ar + r) / (3+1),
(ag + g) / (3+1),
(ab + b) / (3+1));
}
ptr += _screen.w;
}
}
}
#endif
void ThemeClassic::setupConfig() {
if (_configFile.hasSection("theme")) {
if (loadConfig())
return;
}
static const uint8 colors[][3] = {
{ 104, 104, 104 },
{ 64, 64, 64 },
{ 0, 0, 0, },
{ 32, 160, 32 },
{ 0, 255, 0 }
};
memcpy(_colors, colors, sizeof(colors));
}
bool ThemeClassic::loadConfig() {
Common::String temp;
_configFile.getKey("version", "theme", temp);
if (atoi(temp.c_str()) != THEME_VERSION) {
// TODO: improve this detection and handle it nicer
warning("Theme config uses a different version (you have: '%s', needed is: '%d')", temp.c_str(), THEME_VERSION);
_configFile.clear();
// force a theme reload here
loadTheme(_defaultConfig);
return false;
}
temp.clear();
_configFile.getKey("type", "theme", temp);
if (0 != temp.compareToIgnoreCase("classic")) {
warning("Theme config is not for the classic style theme");
_configFile.clear();
// force a theme reload here
loadTheme(_defaultConfig);
return false;
}
getColorFromConfig("color", _colors[kColor][0], _colors[kColor][1], _colors[kColor][2]);
getColorFromConfig("shadowcolor", _colors[kShadowColor][0], _colors[kShadowColor][1], _colors[kShadowColor][2]);
getColorFromConfig("bgcolor", _colors[kBGColor][0], _colors[kBGColor][1], _colors[kBGColor][2]);
getColorFromConfig("textcolor", _colors[kTextColor][0], _colors[kTextColor][1], _colors[kTextColor][2]);
getColorFromConfig("textcolorhi", _colors[kTextColorHi][0], _colors[kTextColorHi][1], _colors[kTextColorHi][2]);
temp.clear();
temp = _evaluator->getStringVar("font");
if (temp.empty() || 0 == temp.compareToIgnoreCase("builtin")) {
if (!_fontName.empty())
delete _font;
_fontName.clear();
} else if (temp != _fontName) {
if (!_fontName.empty())
delete _font;
_font = loadFont(temp.c_str());
_fontName = temp;
}
_enableBlending = (_evaluator->getVar("blending") != 0);
return true;
}
} // end of namespace GUI
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