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https://github.com/libretro/scummvm.git
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Added a save/restore game dialog class
svn-id: r24071
This commit is contained in:
Paul Gilbert
parent
1a96e26bf6
commit
99655b59d4
@ -25,6 +25,7 @@
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#include "lure/system.h"
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#include "lure/events.h"
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#include "lure/screen.h"
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#include "lure/lure.h"
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#include "lure/room.h"
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#include "lure/strings.h"
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#include "common/endian.h"
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@ -358,7 +359,7 @@ Surface *Surface::newDialog(uint16 width, uint8 numLines, const char **lines, bo
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s->createDialog();
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for (uint8 ctr = 0; ctr < numLines; ++ctr)
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s->writeString(DIALOG_EDGE_SIZE + 3, DIALOG_EDGE_SIZE + 3 +
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s->writeString(DIALOG_EDGE_SIZE + 3, DIALOG_EDGE_SIZE + 2 +
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(ctr * (FONT_HEIGHT - 1)), lines[ctr], true, colour, varLength);
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return s;
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}
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@ -387,6 +388,84 @@ Surface *Surface::getScreen(uint16 resourceId) {
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return new Surface(decodedData, FULL_SCREEN_WIDTH, decodedData->size() / FULL_SCREEN_WIDTH);
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}
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bool Surface::getString(Common::String &line, uint32 maxSize, bool isNumeric, bool varLength, int16 x, int16 y) {
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OSystem &system = System::getReference();
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Mouse &mouse = Mouse::getReference();
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Events &events = Events::getReference();
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Screen &screen = Screen::getReference();
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uint8 bgColour = *(screen.screen().data().data() + (y * FULL_SCREEN_WIDTH) + x);
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String newLine(line);
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bool abortFlag = false;
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bool refreshFlag = false;
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mouse.cursorOff();
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// Insert a cursor character at the end of the string
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newLine.insertChar('_', newLine.size());
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while (!abortFlag) {
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// Display the string
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screen.screen().writeString(x, y, newLine, true, DIALOG_TEXT_COLOUR, varLength);
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screen.update();
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int stringSize = screen.screen().textWidth(newLine.c_str());
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// Loop until the input string changes
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refreshFlag = false;
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while (!refreshFlag && !abortFlag) {
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abortFlag = events.quitFlag;
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if (abortFlag) break;
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if (events.pollEvent()) {
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if (events.type() == OSystem::EVENT_KEYDOWN) {
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char ch = events.event().kbd.ascii;
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uint16 keycode = events.event().kbd.keycode;
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if ((ch == 13) || (keycode == 0x10f)) {
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// Return character
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screen.screen().fillRect(
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Rect(x, y, x + stringSize + 8, y + FONT_HEIGHT), bgColour);
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screen.update();
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newLine.deleteLastChar();
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line = newLine;
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mouse.cursorOn();
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return true;
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}
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else if (ch == 27) {
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// Escape character
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screen.screen().fillRect(
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Rect(x, y, x + stringSize + 8, y + FONT_HEIGHT), bgColour);
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screen.update();
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abortFlag = true;
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} else if (ch == 8) {
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// Delete the last character
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if (newLine.size() == 1) continue;
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screen.screen().fillRect(
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Rect(x, y, x + stringSize + 8, y + FONT_HEIGHT), bgColour);
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newLine.deleteChar(newLine.size() - 2);
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refreshFlag = true;
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} else if ((ch >= ' ') && (newLine.size() < maxSize)) {
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if (((ch >= '0') && (ch <= '9')) || !isNumeric) {
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screen.screen().fillRect(
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Rect(x, y, x + stringSize + 8, y + FONT_HEIGHT), bgColour);
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newLine.insertChar(ch, newLine.size() - 1);
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refreshFlag = true;
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}
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}
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}
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}
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system.updateScreen();
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system.delayMillis(10);
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}
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}
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mouse.cursorOn();
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return false;
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}
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/*--------------------------------------------------------------------------*/
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void Dialog::show(const char *text) {
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@ -520,23 +599,174 @@ TalkDialog::~TalkDialog() {
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/*--------------------------------------------------------------------------*/
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bool SaveRestoreDialog::show(bool save, Common::String &filename) {
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#define SR_SEPARATOR_Y 21
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#define SR_SEPARATOR_X 5
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#define SR_SEPARATOR_HEIGHT 5
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#define SR_SAVEGAME_NAMES_Y (SR_SEPARATOR_Y + SR_SEPARATOR_HEIGHT + 1)
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void SaveRestoreDialog::toggleHightlight(int xs, int xe, int ys, int ye) {
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Screen &screen = Screen::getReference();
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Mouse &mouse = Mouse::getReference();
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Room &room = Room::getReference();
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mouse.cursorOff();
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byte *addr = screen.screen().data().data() + FULL_SCREEN_WIDTH * ys + xs;
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room.update();
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Surface *s = new Surface(INFO_DIALOG_WIDTH, 100);
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s->createDialog();
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s->copyToScreen(SAVE_DIALOG_X, SAVE_DIALOG_Y);
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// Wait for a keypress or mouse button
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Events::getReference().waitForPress();
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for (int y = 0; y < ye - ys + 1; ++y, addr += FULL_SCREEN_WIDTH) {
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for (int x = 0; x < xe - xs + 1; ++x) {
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if (addr[x] == DIALOG_TEXT_COLOUR) addr[x] = DIALOG_WHITE_COLOUR;
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else if (addr[x] == DIALOG_WHITE_COLOUR) addr[x] = DIALOG_TEXT_COLOUR;
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}
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}
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screen.update();
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mouse.cursorOn();
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return false;
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}
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bool SaveRestoreDialog::show(bool saveDialog) {
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OSystem &system = System::getReference();
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Screen &screen = Screen::getReference();
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Mouse &mouse = Mouse::getReference();
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Events &events = Events::getReference();
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Room &room = Room::getReference();
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Resources &res = Resources::getReference();
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LureEngine &engine = LureEngine::getReference();
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int selectedLine = -1;
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int index;
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// Figure out a list of present savegames
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String **saveNames = (String **)Memory::alloc(sizeof(String *) * MAX_SAVEGAME_SLOTS);
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int numSaves = 0;
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while ((numSaves < MAX_SAVEGAME_SLOTS) &&
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((saveNames[numSaves] = engine.detectSave(numSaves + 1)) != NULL))
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++numSaves;
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// For the save dialog, if all the slots have not been used up, create a
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// blank entry for a new savegame
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if (saveDialog && (numSaves < MAX_SAVEGAME_SLOTS))
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saveNames[numSaves++] = new String();
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// For the restore dialog, if there are no savegames, return immediately
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if (!saveDialog && (numSaves == 0)) {
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Memory::dealloc(saveNames);
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return false;
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}
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room.update();
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Surface *s = new Surface(INFO_DIALOG_WIDTH, SR_SAVEGAME_NAMES_Y +
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numSaves * FONT_HEIGHT + FONT_HEIGHT + 2);
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// Create the outer dialog and dividing line
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s->createDialog();
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byte *pDest = s->data().data() + (s->width() * SR_SEPARATOR_Y) + SR_SEPARATOR_X;
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uint8 rowColours[5] = {*(pDest-2), *(pDest-1), *(pDest-1), *(pDest-2), *(pDest+1)};
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for (int y = 0; y < SR_SEPARATOR_HEIGHT; ++y, pDest += s->width())
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memset(pDest, rowColours[y], s->width() - 12);
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// Create title line
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Common::String title(res.stringList().getString(
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saveDialog ? S_SAVE_GAME : S_RESTORE_GAME));
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s->writeString((s->width() - s->textWidth(title.c_str())) / 2, FONT_HEIGHT+2, title, true);
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// Write out any existing save names
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for (index = 0; index < numSaves; ++index)
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s->writeString(DIALOG_EDGE_SIZE, SR_SAVEGAME_NAMES_Y, saveNames[index]->c_str(), true);
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// Display the dialog
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s->copyTo(&screen.screen(), SAVE_DIALOG_X, SAVE_DIALOG_Y);
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screen.update();
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mouse.pushCursorNum(CURSOR_ARROW);
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bool abortFlag = false;
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bool doneFlag = false;
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while (!abortFlag && !doneFlag) {
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// Provide highlighting of lines to select a save slot
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while (!(mouse.lButton() && (selectedLine != -1)) && !mouse.rButton()) {
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abortFlag = events.quitFlag;
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if (abortFlag) break;
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if (events.pollEvent()) {
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if ((events.type() == OSystem::EVENT_KEYDOWN) &&
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(events.event().kbd.ascii == 27)) {
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abortFlag = true;
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break;
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}
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if (events.type() == OSystem::EVENT_MOUSEMOVE) {
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// Mouse movement
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int lineNum;
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if ((mouse.x() < (SAVE_DIALOG_X + DIALOG_EDGE_SIZE)) ||
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(mouse.x() >= (SAVE_DIALOG_X + s->width() - DIALOG_EDGE_SIZE)) ||
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(mouse.y() < SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y) ||
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(mouse.y() >= SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + numSaves * FONT_HEIGHT))
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// Outside displayed lines
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lineNum = -1;
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else
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lineNum = (mouse.y() - (SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y)) / FONT_HEIGHT;
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if (lineNum != selectedLine) {
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if (selectedLine != -1)
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// Deselect previously selected line
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toggleHightlight(SAVE_DIALOG_X + DIALOG_EDGE_SIZE,
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SAVE_DIALOG_X + s->width() - DIALOG_EDGE_SIZE,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + (selectedLine + 1) * FONT_HEIGHT - 1);
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// Highlight new line
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selectedLine = lineNum;
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if (selectedLine != -1)
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toggleHightlight(SAVE_DIALOG_X + DIALOG_EDGE_SIZE,
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SAVE_DIALOG_X + s->width() - DIALOG_EDGE_SIZE,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + (selectedLine + 1) * FONT_HEIGHT - 1);
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}
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}
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}
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system.updateScreen();
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system.delayMillis(10);
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}
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// Deselect selected row
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if (selectedLine != -1)
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toggleHightlight(SAVE_DIALOG_X + DIALOG_EDGE_SIZE,
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SAVE_DIALOG_X + s->width() - DIALOG_EDGE_SIZE,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + (selectedLine + 1) * FONT_HEIGHT - 1);
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if (mouse.lButton() || mouse.rButton()) {
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abortFlag = mouse.rButton();
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mouse.waitForRelease();
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}
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if (abortFlag) break;
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// If in save mode, allow the entry of a new savename
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if (saveDialog) {
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if (!screen.screen().getString(*saveNames[selectedLine], 40,
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false, true, SAVE_DIALOG_X + DIALOG_EDGE_SIZE,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT)) {
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// Aborted out of name selection, so restore old name and
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// go back to slot selection
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screen.screen().writeString(
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SAVE_DIALOG_X + DIALOG_EDGE_SIZE,
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SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
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saveNames[selectedLine]->c_str(), true, DIALOG_TEXT_COLOUR, true);
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selectedLine = -1;
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continue;
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}
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}
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doneFlag = true;
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}
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if (doneFlag) {
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// Handle save or restore
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if (saveDialog)
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doneFlag = engine.saveGame(selectedLine + 1, *saveNames[selectedLine]);
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else
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doneFlag = engine.loadGame(selectedLine + 1);
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}
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mouse.popCursor();
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// Free savegame caption list
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for (index = 0; index < numSaves; ++index) delete saveNames[index];
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Memory::dealloc(saveNames);
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return doneFlag;
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}
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} // end of namespace Lure
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@ -70,6 +70,7 @@ public:
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static Surface *newDialog(uint16 width, uint8 numLines, const char **lines, bool varLength = true, uint8 colour = DIALOG_TEXT_COLOUR);
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static Surface *newDialog(uint16 width, const char *lines, uint8 colour = DIALOG_TEXT_COLOUR);
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static Surface *getScreen(uint16 resourceId);
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bool getString(Common::String &line, uint32 maxSize, bool isNumeric, bool varLength, int16 x, int16 y);
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};
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class Dialog {
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@ -93,8 +94,10 @@ public:
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};
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class SaveRestoreDialog {
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private:
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static void toggleHightlight(int xs, int xe, int ys, int ye);
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public:
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static bool show(bool save, Common::String &filename);
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static bool show(bool saveDialog);
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};
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} // End of namespace Lure
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