thirdparty/scummvm
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Only redraw the save/load dialog when something in it has changed.

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svn-id: r27942
This commit is contained in:
Torbjörn Andersson 2007-07-06 17:50:27 +00:00
parent 118181e848
commit 8e7269a100
1 changed files with 36 additions and 29 deletions
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65
engines/agi/saveload.cpp
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@ -519,41 +519,48 @@ int AgiEngine::selectSlot() {
_gfx->drawButton(buttonX[i], buttonY, buttonText[i], 0, 0, MSG_BOX_TEXT, MSG_BOX_COLOUR);
AllowSyntheticEvents on(this);
int oldFirstSlot = _firstSlot + 1;
int oldActive = active + 1;
for (;;) {
char dstr[64];
for (i = 0; i < NUM_VISIBLE_SLOTS; i++) {
sprintf(dstr, "[%2d. %-28.28s]", i + _firstSlot, desc[i]);
printText(dstr, 0, hm + 1, vm + 4 + i,
(40 - 2 * hm) - 1, i == active ? MSG_BOX_COLOUR : MSG_BOX_TEXT,
i == active ? MSG_BOX_TEXT : MSG_BOX_COLOUR);
}
char upArrow[] = "^";
char downArrow[] = "v";
char scrollBar[] = " ";
int sbPos;
// Use the extreme scrollbar positions only if the extreme
// slots are in sight.
if (oldFirstSlot != _firstSlot || oldActive != active) {
char dstr[64];
for (i = 0; i < NUM_VISIBLE_SLOTS; i++) {
sprintf(dstr, "[%2d. %-28.28s]", i + _firstSlot, desc[i]);
printText(dstr, 0, hm + 1, vm + 4 + i,
(40 - 2 * hm) - 1, i == active ? MSG_BOX_COLOUR : MSG_BOX_TEXT,
i == active ? MSG_BOX_TEXT : MSG_BOX_COLOUR);
}
if (_firstSlot == 0)
sbPos = 1;
else if (_firstSlot == NUM_SLOTS - NUM_VISIBLE_SLOTS)
sbPos = NUM_VISIBLE_SLOTS - 2;
else {
sbPos = 2 + (_firstSlot * (NUM_VISIBLE_SLOTS - 4)) / (NUM_SLOTS - NUM_VISIBLE_SLOTS - 1);
if (sbPos >= NUM_VISIBLE_SLOTS - 3)
sbPos = NUM_VISIBLE_SLOTS - 3;
char upArrow[] = "^";
char downArrow[] = "v";
char scrollBar[] = " ";
// Use the extreme scrollbar positions only if the
// extreme slots are in sight.
if (_firstSlot == 0)
sbPos = 1;
else if (_firstSlot == NUM_SLOTS - NUM_VISIBLE_SLOTS)
sbPos = NUM_VISIBLE_SLOTS - 2;
else {
sbPos = 2 + (_firstSlot * (NUM_VISIBLE_SLOTS - 4)) / (NUM_SLOTS - NUM_VISIBLE_SLOTS - 1);
if (sbPos >= NUM_VISIBLE_SLOTS - 3)
sbPos = NUM_VISIBLE_SLOTS - 3;
}
for (i = 1; i < NUM_VISIBLE_SLOTS - 1; i++)
printText(scrollBar, 35, hm + 1, vm + 4 + i, 1, MSG_BOX_COLOUR, 7, true);
printText(upArrow, 35, hm + 1, vm + 4, 1, 8, 7);
printText(downArrow, 35, hm + 1, vm + 4 + NUM_VISIBLE_SLOTS - 1, 1, 8, 7);
printText(scrollBar, 35, hm + 1, vm + 4 + sbPos, 1, MSG_BOX_COLOUR, MSG_BOX_TEXT);
oldActive = active;
oldFirstSlot = _firstSlot;
}
for (i = 1; i < NUM_VISIBLE_SLOTS - 1; i++)
printText(scrollBar, 35, hm + 1, vm + 4 + i, 1, MSG_BOX_COLOUR, 7, true);
printText(upArrow, 35, hm + 1, vm + 4, 1, 8, 7);
printText(downArrow, 35, hm + 1, vm + 4 + NUM_VISIBLE_SLOTS - 1, 1, 8, 7);
printText(scrollBar, 35, hm + 1, vm + 4 + sbPos, 1, MSG_BOX_COLOUR, MSG_BOX_TEXT);
_gfx->pollTimer(); /* msdos driver -> does nothing */
key = doPollKeyboard();