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SCI32: Add more KScrollWindow notes

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This commit is contained in:
Willem Jan Palenstijn 2012-12-31 21:51:46 +01:00
parent 8ff034ef94
commit 3dad5e55e2
1 changed files with 14 additions and 5 deletions
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19
engines/sci/engine/kgraphics32.cpp
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@ -323,14 +323,17 @@ reg_t kScrollWindow(EngineState *s, int argc, reg_t *argv) {
uint16 op = argv[0].toUint16();
switch (op) {
case 0: // Init
// TODO: Init reads the nsLeft, nsTop, nsRight, nsBottom,
// borderColor, fore, back, mode, font, plane selectors
// from the window in argv[1].
g_sci->_gfxFrameout->initScrollText(argv[2].toUint16()); // maxItems
g_sci->_gfxFrameout->clearScrollTexts();
return argv[1]; // kWindow
case 1: // Show message, called by ScrollableWindow::addString
case 14: // Modify message, called by ScrollableWindow::modifyString
// 5 or 6 parameters
// Seems to be called with 5 parameters when the narrator speaks, and
// with 6 when Roger speaks
// TODO: The parameters in Modify are shifted by one: the first
// argument is the handle of the text to modify. The others
// are as Add.
{
Common::String text = s->_segMan->getString(argv[2]);
uint16 x = 0;
@ -338,8 +341,11 @@ reg_t kScrollWindow(EngineState *s, int argc, reg_t *argv) {
// TODO: argv[3] is font
// TODO: argv[4] is color
// TODO: argv[5] is alignment (0 = left, 1 = center, 2 = right)
// font,color,alignment may also be -1. (Maybe same as previous?)
// TODO: argv[6] is an optional bool, defaulting to true if not present.
// If true, the old contents are scrolled out of view.
// TODO: Return a handle of the inserted text. (Used for modify/insert)
// This handle looks like it should also be usable by kString.
g_sci->_gfxFrameout->addScrollTextEntry(text, kWindow, x, y, (op == 14));
}
break;
@ -367,7 +373,8 @@ reg_t kScrollWindow(EngineState *s, int argc, reg_t *argv) {
g_sci->_gfxFrameout->lastScrollText();
break;
case 9: // Resize, called by ScrollableWindow::resize and ScrollerWindow::resize
// TODO
// TODO: This reads the nsLeft, nsTop, nsRight, nsBottom
// selectors from the SCI object passed in argv[2].
kStub(s, argc, argv);
break;
case 10: // Where, called by ScrollableWindow::where
@ -384,7 +391,9 @@ reg_t kScrollWindow(EngineState *s, int argc, reg_t *argv) {
kStub(s, argc, argv);
break;
case 12: // Insert, called by ScrollableWindow::insertString
// 5 extra parameters here.
// 5 extra parameters here:
// handle of insert location (new string takes that position).
// text, font, color, alignment
// TODO
kStub(s, argc, argv);
break;