mirror of
https://github.com/autc04/Retro68.git
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357 lines
7.3 KiB
C++
357 lines
7.3 KiB
C++
/*
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Copyright 2012 Wolfgang Thaller.
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This file is part of Retro68.
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Retro68 is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Retro68 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Retro68. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Console.h"
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#include "MacUtils.h"
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#include "Events.h"
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#include "Fonts.h"
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#include "Processes.h"
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#include <algorithm>
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using namespace Retro;
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Console *Console::currentInstance = NULL;
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Console::Console()
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: consolePort(NULL), dirtyRect(),
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blinkTicks(0), cursorDrawn(false), cursorVisible(true)
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{
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}
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void Console::Init(GrafPtr port, Rect r)
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{
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consolePort = port;
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bounds = r;
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if(currentInstance == NULL)
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currentInstance = (Console*) -1;
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PortSetter setport(consolePort);
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InsetRect(&bounds, 2,2);
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TextFont(kFontIDMonaco);
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TextSize(9);
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cellSizeY = 12;
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cellSizeX = CharWidth('M');
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rows = (bounds.bottom - bounds.top) / cellSizeY;
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cols = (bounds.right - bounds.left) / cellSizeX;
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chars = std::vector<char>(rows*cols, ' ');
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onscreen = chars;
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cursorX = cursorY = 0;
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currentInstance = this;
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}
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Console::Console(GrafPtr port, Rect r)
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: consolePort(NULL), dirtyRect(),
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blinkTicks(0), cursorDrawn(false), cursorVisible(true)
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{
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Init(port, r);
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}
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Console::~Console()
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{
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}
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Rect Console::CellRect(short x, short y)
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{
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return { (short) (bounds.top + y * cellSizeY), (short) (bounds.left + x * cellSizeX),
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(short) (bounds.top + (y+1) * cellSizeY), (short) (bounds.left + (x+1) * cellSizeX) };
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}
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void Console::DrawCell(short x, short y, bool erase)
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{
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Rect r = CellRect(x,y);
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if(cursorDrawn)
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{
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if(y == cursorY && x == cursorX)
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{
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erase = true;
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cursorDrawn = false;
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}
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}
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if(erase)
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EraseRect(&r);
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MoveTo(r.left, r.bottom - 2);
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DrawChar(chars[y * cols + x]);
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}
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void Console::DrawCells(short x1, short x2, short y, bool erase)
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{
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Rect r = { (short) (bounds.top + y * cellSizeY), (short) (bounds.left + x1 * cellSizeX),
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(short) (bounds.top + (y+1) * cellSizeY), (short) (bounds.left + x2 * cellSizeX) };
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if(cursorDrawn)
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{
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if(y == cursorY && x1 <= cursorX && x2 > cursorX)
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{
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erase = true;
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cursorDrawn = false;
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}
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}
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if(erase)
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EraseRect(&r);
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MoveTo(r.left, r.bottom - 2);
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DrawText(&chars[y * cols + x1], 0, x2 - x1);
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}
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void Console::Draw(Rect r)
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{
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PortSetter setport(consolePort);
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short minRow = std::max(0, (r.top - bounds.top) / cellSizeY);
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short maxRow = std::min((int)rows, (r.bottom - bounds.top + cellSizeY - 1) / cellSizeY);
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short minCol = std::max(0, (r.left - bounds.left) / cellSizeX);
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short maxCol = std::min((int)cols, (r.right - bounds.left + cellSizeX - 1) / cellSizeX);
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EraseRect(&r);
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for(short row = minRow; row < maxRow; ++row)
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{
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DrawCells(minCol, maxCol, row, false);
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}
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if(cursorDrawn)
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{
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Rect cursor = CellRect(cursorX, cursorY);
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InvertRect(&cursor);
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}
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onscreen = chars;
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}
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void Console::ScrollUp(short n)
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{
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cursorY--;
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std::copy(chars.begin() + cols, chars.end(), chars.begin());
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std::fill(chars.end() - cols, chars.end(), ' ');
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std::copy(onscreen.begin() + cols, onscreen.end(), onscreen.begin());
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std::fill(onscreen.end() - cols, onscreen.end(), ' ');
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RgnHandle rgn = NewRgn();
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ScrollRect(&bounds, 0, -cellSizeY, rgn);
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DisposeRgn(rgn);
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dirtyRect.top = dirtyRect.top > 0 ? dirtyRect.top - 1 : 0;
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dirtyRect.bottom = dirtyRect.bottom > 0 ? dirtyRect.bottom - 1 : 0;
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}
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void Console::PutCharNoUpdate(char c)
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{
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InvalidateCursor();
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switch(c)
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{
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case '\r':
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cursorX = 0;
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break;
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case '\n':
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cursorY++;
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cursorX = 0;
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if(cursorY >= rows)
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ScrollUp();
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break;
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default:
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chars[cursorY * cols + cursorX] = c;
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if(dirtyRect.right == 0)
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{
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dirtyRect.right = (dirtyRect.left = cursorX) + 1;
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dirtyRect.bottom = (dirtyRect.top = cursorY) + 1;
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}
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else
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{
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dirtyRect.left = std::min(dirtyRect.left, cursorX);
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dirtyRect.top = std::min(dirtyRect.top, cursorY);
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dirtyRect.right = std::max(dirtyRect.right, short(cursorX + 1));
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dirtyRect.bottom = std::max(dirtyRect.bottom, short(cursorY + 1));
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}
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cursorX++;
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if(cursorX >= cols)
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PutCharNoUpdate('\n');
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}
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}
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void Console::Update()
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{
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PortSetter setport(consolePort);
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for(short row = dirtyRect.top; row < dirtyRect.bottom; ++row)
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{
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short start = -1;
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bool needclear = false;
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for(short col = dirtyRect.left; col < dirtyRect.right; ++col)
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{
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char old = onscreen[row * cols + col];
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if(chars[row * cols + col] != old)
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{
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if(start == -1)
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start = col;
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if(old != ' ')
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needclear = true;
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onscreen[row * cols + col] = chars[row * cols + col];
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}
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else
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{
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if(start != -1)
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DrawCells(start, col, row, needclear);
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start = -1;
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needclear = false;
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}
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}
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if(start != -1)
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DrawCells(start, dirtyRect.right, row, needclear);
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}
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dirtyRect = Rect();
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#if TARGET_API_MAC_CARBON
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QDFlushPortBuffer(consolePort,NULL);
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#endif
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if(cursorVisible != cursorDrawn)
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{
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Rect r = CellRect(cursorX, cursorY);
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InvertRect(&r);
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cursorDrawn = !cursorDrawn;
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}
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#if TARGET_API_MAC_CARBON
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QDFlushPortBuffer(consolePort,NULL);
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#endif
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}
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void Console::putch(char c)
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{
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PutCharNoUpdate(c);
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Update();
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}
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void Console::write(const char *p, int n)
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{
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for(int i = 0; i < n; i++)
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Console::currentInstance->PutCharNoUpdate(*p++);
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Update();
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}
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std::string Console::ReadLine()
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{
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std::string buffer;
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EventRecord event;
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char c;
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do
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{
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c = WaitNextChar();
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if(c == '\r')
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c = '\n';
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if(c == '\b')
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{
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if(buffer.size())
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{
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InvalidateCursor();
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cursorX--;
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PutCharNoUpdate(' ');
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cursorX--;
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Update();
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buffer.resize(buffer.size()-1);
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}
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continue;
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}
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putch(c);
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buffer.append(1,c);
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} while(c != '\n');
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return buffer;
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}
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void Console::InvalidateCursor()
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{
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if(cursorDrawn)
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{
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PortSetter setport(consolePort);
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Rect r = CellRect(cursorX, cursorY);
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InvertRect(&r);
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cursorDrawn = false;
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}
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}
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void Console::Idle()
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{
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long ticks = TickCount();
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if(ticks - blinkTicks > 60)
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{
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cursorVisible = !cursorVisible;
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blinkTicks = ticks;
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Update();
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}
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}
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void Console::Reshape(Rect newBounds)
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{
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InsetRect(&newBounds, 2,2);
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bounds = newBounds;
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short newRows = (bounds.bottom - bounds.top) / cellSizeY;
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short newCols = (bounds.right - bounds.left) / cellSizeX;
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short upshift = 0;
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if(cursorY >= newRows)
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{
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upshift = cursorY - (newRows - 1);
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InvalidateCursor();
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cursorY = newRows - 1;
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}
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std::vector<char> newChars(newRows*newCols, ' ');
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for(short row = 0; row < newRows && row + upshift < rows; row++)
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{
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char *src = &chars[(row+upshift) * cols];
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char *dst = &newChars[row * newCols];
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std::copy(src, src + std::min(cols, newCols), dst);
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}
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chars.swap(newChars);
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/*newChars = std::vector<char>(newRows*newCols, ' ');
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for(short row = 0; row < newRows && row < rows; row++)
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{
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char *src = &chars[row * cols];
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char *dst = &newChars[row * newCols];
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std::copy(src, src + std::min(cols, newCols), dst);
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}
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onscreen.swap(newChars);*/
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onscreen = newChars;
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rows = newRows;
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cols = newCols;
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if(upshift)
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{
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//dirtyRect = Rect { 0, 0, rows, cols };
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//Update();
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Draw();
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}
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}
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