thirdparty/scummvm
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Implements custom cursor support for the new theme and includes a standard cursor (it should be replaced though).

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svn-id: r22019
This commit is contained in:
Johannes Schickel 2006-04-19 03:17:00 +00:00
parent 8828daba84
commit 0a767b6467
5 changed files with 94 additions and 3 deletions
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72
gui/ThemeNew.cpp
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@ -38,7 +38,7 @@
#define kShadowTr3 64
#define kShadowTr4 128
#define THEME_VERSION 9
#define THEME_VERSION 10
using Graphics::Surface;
@ -216,6 +216,8 @@ _lastUsedBitMask(0), _forceRedraw(false), _fonts(), _imageHandles(0), _images(0)
_configFile.getKey("popupwidget_top", "pixmaps", imageHandlesTable[kPopUpWidgetBkgdTop]);
_configFile.getKey("popupwidget_left", "pixmaps", imageHandlesTable[kPopUpWidgetBkgdLeft]);
_configFile.getKey("popupwidget_bkgd", "pixmaps", imageHandlesTable[kPopUpWidgetBkgd]);
_configFile.getKey("cursor_image", "pixmaps", imageHandlesTable[kGUICursor]);
// load the gradient factors from the config file
getFactorFromConfig(_configFile, "main_dialog", _gradientFactors[kMainDialogFactor]);
@ -242,6 +244,9 @@ _lastUsedBitMask(0), _forceRedraw(false), _fonts(), _imageHandles(0), _images(0)
getExtraValueFromConfig(_configFile, "shadow_right_width", _shadowRightWidth, 4);
getExtraValueFromConfig(_configFile, "shadow_top_height", _shadowTopHeight, 2);
getExtraValueFromConfig(_configFile, "shadow_bottom_height", _shadowBottomHeight, 4);
getExtraValueFromConfig(_configFile, "cursor_hotspot_x", _cursorHotspotX, 0);
getExtraValueFromConfig(_configFile, "cursor_hotspot_y", _cursorHotspotY, 0);
// inactive dialog shading stuff
_dialogShadingCallback = 0;
@ -293,12 +298,16 @@ _lastUsedBitMask(0), _forceRedraw(false), _fonts(), _imageHandles(0), _images(0)
}
_lastUsedBitMask = gBitFormat;
// creats the cursor image
createCursor();
}
ThemeNew::~ThemeNew() {
deleteFonts();
deinit();
delete [] _images;
delete [] _cursor;
_images = 0;
if (_imageHandles) {
for (int i = 0; i < kImageHandlesMax; ++i) {
@ -353,10 +362,12 @@ void ThemeNew::enable() {
resetDrawArea();
_system->showOverlay();
clearAll();
setUpCursor();
}
void ThemeNew::disable() {
_system->hideOverlay();
_system->setPalette(_backUpCols, 0, MAX_CURS_COLORS);
}
void ThemeNew::openDialog(bool topDialog) {
@ -1487,6 +1498,65 @@ OverlayColor ThemeNew::calcDimColor(OverlayColor col) {
#pragma mark -
void ThemeNew::setUpCursor() {
_system->grabPalette(_backUpCols, 0, MAX_CURS_COLORS);
_system->setPalette(_cursorPal, 0, MAX_CURS_COLORS);
_system->setMouseCursor(_cursor, _cursorWidth, _cursorHeight, _cursorHotspotX, _cursorHotspotY);
}
void ThemeNew::createCursor() {
const Surface *cursor = _images[kGUICursor];
_cursorWidth = cursor->w;
_cursorHeight = cursor->h;
uint colorsFound = 0;
const OverlayColor *src = (const OverlayColor*)cursor->pixels;
byte *table = new byte[65536];
assert(table);
memset(table, 0, sizeof(byte)*65536);
byte r, g, b;
_system->colorToRGB(_colors[kColorTransparency], r, g, b);
uint16 transparency = RGBToColor<ColorMasks<565> >(r, g, b);
_cursor = new byte[_cursorWidth * _cursorHeight];
assert(_cursor);
memset(_cursor, 255, sizeof(byte)*_cursorWidth*_cursorHeight);
for (uint y = 0; y < _cursorHeight; ++y) {
for (uint x = 0; x < _cursorWidth; ++x) {
_system->colorToRGB(src[x], r, g, b);
uint16 col = RGBToColor<ColorMasks<565> >(r, g, b);
if (!table[col] && col != transparency) {
table[col] = colorsFound++;
uint index = table[col];
_cursorPal[index * 4 + 0] = r;
_cursorPal[index * 4 + 1] = g;
_cursorPal[index * 4 + 2] = b;
_cursorPal[index * 4 + 3] = 0xFF;
if (colorsFound > MAX_CURS_COLORS)
error("Cursor contains too much colors (%d, but only %d are allowed)", colorsFound, MAX_CURS_COLORS);
}
if (col != transparency) {
uint index = table[col];
_cursor[y * _cursorWidth + x] = index;
}
}
src += _cursorWidth;
}
delete [] table;
}
#pragma mark -
template<class T>
inline OverlayColor getColorAlphaImpl(OverlayColor col1, OverlayColor col2, int alpha) {
OverlayColor output = 0;