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77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#include "textwindow.h"
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#include "cga.h"
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TextWindow::TextWindow(unsigned from_col, unsigned to_col, unsigned from_row,
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unsigned to_row, bool use_cursor) {
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this->from_col = from_col;
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this->to_col = to_col;
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this->from_row = from_row;
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this->to_row = to_row;
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this->use_cursor = use_cursor;
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}
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void TextWindow::setPos(unsigned rel_x, unsigned rel_y) {
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if(use_cursor){
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CGA::setCursor(from_col + rel_x, from_row + rel_y);
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}else{
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pos_x = from_col + rel_x;
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pos_y = from_row + rel_y;
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}
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}
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void TextWindow::getPos(unsigned& rel_x, unsigned& rel_y) const {
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if(use_cursor){
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CGA::getCursor(rel_x, rel_y);
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rel_x -= from_col;
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rel_y -= from_row;
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}
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else {
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rel_x = pos_x - from_col;
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rel_y = pos_y - from_row;
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}
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}
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void TextWindow::setPos(int rel_x, int rel_y) {
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if(rel_x < 0)
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rel_x = to_col - from_col + rel_x;
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if(rel_y < 0)
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rel_y = to_row - from_row + rel_y;
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setPos((unsigned) rel_x, (unsigned) rel_y);
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}
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void TextWindow::getPos(int& rel_x, int& rel_y) const {
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unsigned x, y;
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getPos(x,y);
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rel_x = x;
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rel_y = y;
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}
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void TextWindow::print(const char* str, size_t length, CGA::Attribute attrib) {
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for(unsigned i=0; i<length; i++){
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unsigned x_now, y_now;
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getPos(x_now, y_now);
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CGA::show(x_now, y_now, str[i], attrib);
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if(from_col+x_now >= to_col-1){
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x_now = 0;
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if(from_row + y_now >= to_row-1){
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//TODO scrollUp()
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}
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else{
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y_now++;
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}
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}
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else {
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x_now++;
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}
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setPos(x_now, y_now);
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}
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}
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void TextWindow::reset(char character, CGA::Attribute attrib) {
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for(unsigned i=from_row; i<to_row; i++)
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for(unsigned j=from_col; j<to_col; j++)
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CGA::show(j, i, character, attrib);
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setPos(0, 0);
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}
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