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Add highlighting, fixed len instructions and more

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This commit is contained in:
Bruno Rybársky
2025-02-09 21:15:50 +01:00
parent 45653b6372
commit e133c2df3a
17 changed files with 753 additions and 338 deletions
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175
util/texteditor.c
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@@ -5,13 +5,14 @@
#include "texteditor.h"
#include "font.h"
#include "../cpu/core.h"
// Initialize the text editor with dynamic sizes.
void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Renderer *renderer,
int max_line_width, int max_lines_asm, int max_lines_display, bool readOnly) {
editor->max_line_width = max_line_width;
editor->max_lines_asm = max_lines_asm;
editor->max_lines_display = max_lines_display;
editor->maxLines = max_lines_asm;
editor->displayLineCount = max_lines_display;
editor->line_count = 0;
editor->cursor_line = 0;
editor->cursor_line_offset = 0;
@@ -22,20 +23,22 @@ void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Rendere
editor->outRect = malloc(sizeof(SDL_Rect));
editor->cursorRect = malloc(sizeof(SDL_Rect));
editor->rect = malloc(sizeof(SDL_Rect));
editor->highlightedLineRect = malloc(sizeof(SDL_Rect));
memset(editor->outRect, 0, sizeof(SDL_Rect));
memset(editor->cursorRect, 0, sizeof(SDL_Rect));
memset(editor->rect, 0, sizeof(SDL_Rect));
memset(editor->highlightedLineRect, 0, sizeof(SDL_Rect));
// Allocate dynamic array for lines.
editor->lines = (Line *) malloc(sizeof(Line) * editor->max_lines_asm);
editor->lines = (Line *) malloc(sizeof(Line) * editor->maxLines);
if (!editor->lines) {
fprintf(stderr, "Failed to allocate memory for lines.\n");
exit(EXIT_FAILURE);
}
// For each line, allocate memory for the text (including space for '\0')
for (int i = 0; i < editor->max_lines_asm; i++) {
for (int i = 0; i < editor->maxLines; i++) {
editor->lines[i].text = (char *) malloc(sizeof(char) * (editor->max_line_width + 1));
if (!editor->lines[i].text) {
fprintf(stderr, "Failed to allocate memory for line %d.\n", i);
@@ -46,8 +49,8 @@ void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Rendere
}
// Allocate output and display strings.
editor->outputString = (char *) malloc(sizeof(char) * (editor->max_line_width * editor->max_lines_asm + 1));
editor->displayString = (char *) malloc(sizeof(char) * (editor->max_line_width * editor->max_lines_display + 1));
editor->outputString = (char *) malloc(sizeof(char) * (editor->max_line_width * editor->maxLines + 1));
editor->displayString = (char *) malloc(sizeof(char) * (editor->max_line_width * editor->displayLineCount + 1));
if (!editor->outputString || !editor->displayString) {
fprintf(stderr, "Failed to allocate memory for output/display strings.\n");
exit(EXIT_FAILURE);
@@ -60,21 +63,26 @@ void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Rendere
editor->lines[1].active = 1;
editor->line_count = 2;
// Set up the editor rectangle based on font size and dynamic max_line_width and max_lines_display.
// Set up the editor rectangle based on font size and dynamic max_line_width and displayLineCount.
editor->rect->x = 2;
editor->rect->y = 2;
editor->rect->w = editor->max_line_width * (font->size + 1) + ((font->size + 1) / 2);
editor->rect->h = editor->max_lines_display * (font->size + 1) + 2;
editor->rect->h = editor->displayLineCount * (font->size + 1) + 2;
editor->outRect->w = editor->rect->w;
editor->outRect->h = editor->rect->h;
editor->outRect->x = x;
editor->outRect->y = y;
editor->highlightedLineRect->x = 2;
editor->highlightedLineRect->y = 2;
editor->highlightedLineRect->w = editor->outRect->w - (2 * editor->highlightedLineRect->x);
editor->highlightedLineRect->h = editor->font->size;
editor->cursorRect->x = 3 + editor->cursor_pos * font->size + editor->outRect->x;
editor->cursorRect->y =
2 + (editor->cursor_line - editor->cursor_line_offset) * (font->size + 1) + editor->outRect->y;
editor->cursorRect->w = 2;
editor->cursorRect->w = editor->font->size;
editor->cursorRect->h = editor->font->size;
// Create texture for rendering.
@@ -87,9 +95,8 @@ void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Rendere
}
}
// Insert a new line at a specific position.
void insert_line(TextEditor *editor, int position, const char *text, SDL_Renderer *renderer) {
if (editor->line_count >= editor->max_lines_asm || position < 0 || position > editor->line_count) {
if (editor->line_count >= editor->maxLines || position < 0 || position > editor->line_count) {
printf("Invalid position or max lines reached!\n");
return;
}
@@ -111,7 +118,16 @@ void insert_line(TextEditor *editor, int position, const char *text, SDL_Rendere
}
void insert_line_rel(TextEditor *editor, SDL_Renderer *renderer) {
insert_line(editor, editor->cursor_line + (editor->cursor_pos ? 1 : 0), "", renderer);
int line = editor->cursor_line;
int pos = editor->cursor_pos;
char *current_text = editor->lines[line].text;
// Split the current line at the cursor position
char new_line_text[editor->max_line_width + 1];
strcpy(new_line_text, &current_text[pos]); // Copy the text after cursor to the new line
current_text[pos] = '\0'; // Truncate the current line at cursor position
insert_line(editor, line + 1, new_line_text, renderer);
editor->cursor_pos = 0;
}
@@ -154,11 +170,27 @@ void remove_character(TextEditor *editor, bool isDelete, SDL_Renderer *renderer)
for (int i = editor->cursor_pos; i < len; i++) {
line->text[i] = line->text[i + 1];
}
} else if (editor->cursor_pos == len && editor->cursor_line < editor->line_count - 1) {
// Merge next line with the current line when pressing delete at the end
strcat(line->text, editor->lines[editor->cursor_line + 1].text);
// Shift remaining lines up
for (int i = editor->cursor_line + 1; i < editor->line_count - 1; i++) {
strcpy(editor->lines[i].text, editor->lines[i + 1].text);
editor->lines[i].active = editor->lines[i + 1].active;
}
editor->lines[editor->line_count - 1].text[0] = '\0';
editor->lines[editor->line_count - 1].active = 0;
editor->line_count--;
}
} else {
// Backspace behavior (delete character before cursor)
if (editor->cursor_pos == 0 && editor->line_count > 1) {
// Merge with the previous line
if (editor->cursor_pos == 0 && editor->cursor_line > 0) {
// Append current line to previous line
int prev_len = strlen(editor->lines[editor->cursor_line - 1].text);
strcat(editor->lines[editor->cursor_line - 1].text, line->text);
// Shift lines up
for (int i = editor->cursor_line; i < editor->line_count - 1; i++) {
strcpy(editor->lines[i].text, editor->lines[i + 1].text);
editor->lines[i].active = editor->lines[i + 1].active;
@@ -166,10 +198,10 @@ void remove_character(TextEditor *editor, bool isDelete, SDL_Renderer *renderer)
editor->lines[editor->line_count - 1].text[0] = '\0';
editor->lines[editor->line_count - 1].active = 0;
editor->line_count--;
if (editor->cursor_line >= editor->line_count) {
editor->cursor_line = editor->line_count - 1;
}
editor->cursor_pos = strlen(editor->lines[editor->cursor_line].text);
// Move cursor to the end of the previous line
editor->cursor_line--;
editor->cursor_pos = prev_len;
} else if (editor->cursor_pos > 0) {
for (int i = editor->cursor_pos - 1; i < len; i++) {
line->text[i] = line->text[i + 1];
@@ -191,7 +223,14 @@ void move_cursor_relative(TextEditor *editor, int line_offset, int pos_offset, b
void move_cursor(TextEditor *editor, int new_line, int new_pos, bool keepPos, SDL_Renderer *renderer) {
if (new_line < 0) new_line = 0;
if (new_line >= editor->line_count) new_line = editor->line_count - 1;
int trgt = editor->line_count - editor->displayLineCount;
if (trgt < 0) {
trgt = 0;
}
if (new_line >= trgt && new_line >= editor->line_count) {
new_line = editor->line_count -
1;
}
if (keepPos) {
editor->cursor_line_offset = new_line;
@@ -200,8 +239,15 @@ void move_cursor(TextEditor *editor, int new_line, int new_pos, bool keepPos, SD
if (new_line < editor->cursor_line_offset) {
editor->cursor_line_offset = new_line;
}
if (new_line >= editor->cursor_line_offset + editor->max_lines_display) {
editor->cursor_line_offset = new_line - editor->max_lines_display + 1;
if (new_line >= editor->cursor_line_offset + editor->displayLineCount) {
editor->cursor_line_offset = new_line - editor->displayLineCount + 1;
}
if (editor->cursor_line_offset >= editor->line_count - editor->displayLineCount) {
editor->cursor_line_offset = editor->line_count - editor->displayLineCount;
}
if (editor->cursor_line_offset < 0) {
editor->cursor_line_offset = 0;
}
int line_length = strlen(editor->lines[new_line].text);
@@ -219,7 +265,7 @@ void generate_string_display(TextEditor *editor, SDL_Renderer *renderer) {
return;
}
int end_line = editor->cursor_line_offset + editor->max_lines_display;
int end_line = editor->cursor_line_offset + editor->displayLineCount;
if (end_line > editor->line_count)
end_line = editor->line_count;
@@ -227,7 +273,7 @@ void generate_string_display(TextEditor *editor, SDL_Renderer *renderer) {
editor->displayString[0] = '\0';
SDL_SetRenderTarget(renderer, editor->texture);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
SDL_RenderClear(renderer);
SDL_Rect charDstRect;
@@ -263,7 +309,8 @@ void generate_string_display(TextEditor *editor, SDL_Renderer *renderer) {
SDL_SetRenderTarget(renderer, NULL);
}
void editor_render(TextEditor *editor, SDL_Renderer *renderer, bool isActive, bool cursorBlink) {
void editor_render(TextEditor *editor, SDL_Renderer *renderer, CPU *cpu, uint8_t editorIndex, bool isActive,
bool cursorBlink) {
if (isActive) {
SDL_Rect bgRect;
bgRect = *editor->outRect;
@@ -271,20 +318,57 @@ void editor_render(TextEditor *editor, SDL_Renderer *renderer, bool isActive, bo
bgRect.y -= 6;
bgRect.w += 12;
bgRect.h += 12;
SDL_SetRenderDrawColor(renderer, editor->readOnly ? 128 : 0, editor->readOnly ? 0 : 128, 64, 255);
SDL_RenderFillRect(renderer, &bgRect);
}
SDL_RenderCopy(renderer, editor->texture, editor->rect, editor->outRect);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderFillRect(renderer, editor->outRect);
uint32_t targetLine = 0;
const uint32_t instrLine = cpu->pc / CPU_INSTRUCTION_SIZE;
if (editorIndex == 0) {
targetLine = cpu->addrToLineMapper[instrLine] - editor->cursor_line_offset;
editor->highlightedLineRect->w = editor->rect->w - 1;
editor->highlightedLineRect->x = 2;
}
if (editorIndex == 1) {
targetLine = (instrLine / 2) - editor->cursor_line_offset;
editor->highlightedLineRect->w = (editor->rect->w / 5 * 2) - 2;
editor->highlightedLineRect->x =
2 + (11 * editor->font->size) + (instrLine % 2 ? (28 * editor->font->size) : 0);
}
editor->highlightedLineRect->y = 2 + ((editor->font->size + 1) * targetLine);
SDL_Rect highlightedLineAbs = *editor->highlightedLineRect;
highlightedLineAbs.x += editor->outRect->x;
highlightedLineAbs.y += editor->outRect->y;
SDL_SetRenderDrawColor(renderer, 0, 72, 64, 255);
if (targetLine >= editor->cursor_line_offset &&
targetLine < editor->cursor_line_offset + editor->displayLineCount) {
SDL_RenderFillRect(renderer, &highlightedLineAbs);
}
SDL_SetTextureBlendMode(editor
->texture, SDL_BLENDMODE_BLEND);
SDL_RenderCopy(renderer, editor
->texture, editor->rect, editor->outRect);
if (isActive && cursorBlink) {
SDL_SetRenderDrawColor(renderer, 0, 255, 255, 255);
SDL_RenderFillRect(renderer, editor->cursorRect);
SDL_SetRenderDrawColor(renderer,
0, 255, 255, 128);
SDL_RenderFillRect(renderer, editor
->cursorRect);
}
}
void generate_string(TextEditor *editor) {
editor->outputString[0] = '\0';
for (int i = 0; i < editor->max_lines_asm; i++) {
for (int i = 0; i < editor->maxLines; i++) {
if (editor->lines[i].active) {
if (strlen(editor->lines[i].text)) {
strcat(editor->outputString, editor->lines[i].text);
@@ -294,30 +378,39 @@ void generate_string(TextEditor *editor) {
}
}
void fill_editor_from_string(TextEditor *editor, const char *content, SDL_Renderer *renderer) {
void fill_editor_from_string(TextEditor *editor, const char *content, int lineStart, bool isComplete,
SDL_Renderer *renderer) {
if (!editor || !content) {
printf("Invalid editor or content pointer!\n");
return;
}
char *str = content;
int numLines = 0;
while (*str) if (*str++ == '\n') ++numLines;
// Clear the current editor content
for (int i = 0; i < editor->max_lines_asm; i++) {
for (int i = lineStart; i < editor->maxLines && i < lineStart + numLines + 1; i++) {
editor->lines[i].text[0] = '\0';
editor->lines[i].active = 0;
}
editor->line_count = 0;
editor->cursor_line = 0;
editor->cursor_pos = 0;
if (isComplete) {
editor->line_count = numLines;
if (editor->line_count >= editor->maxLines) {
editor->line_count = editor->maxLines - 1;
}
}
// Parse the content and fill the editor lines
const char *ptr = content;
int line_index = 0;
int line_index = lineStart;
while (*ptr && line_index < editor->max_lines_asm) {
while (*ptr && line_index < editor->maxLines && line_index < numLines + lineStart) {
int char_count = 0;
// Ensure the text buffer does not overflow
while (*ptr && *ptr != '\n' && char_count < editor->max_line_width - 1) {
while (*ptr && *ptr != '\n' && char_count < editor->max_line_width) {
editor->lines[line_index].text[char_count++] = *ptr++;
}
@@ -328,9 +421,11 @@ void fill_editor_from_string(TextEditor *editor, const char *content, SDL_Render
// Move past the newline character if present
if (*ptr == '\n') ptr++;
}
editor->lines[line_index].active = 1;
// Update the total number of lines in use
editor->line_count = line_index;
//editor->line_count = line_index + (line_index < editor->maxLines - 1 ? 1 : 0);
//if (editor->line_count >= editor-> maxLines)
// Generate the visual representation
generate_string_display(editor, renderer);
@@ -340,13 +435,13 @@ void fill_editor_from_string(TextEditor *editor, const char *content, SDL_Render
// Free all dynamically allocated memory.
void destroy_editor(TextEditor *editor) {
if (editor->lines) {
for (int i = 0; i < editor->max_lines_asm; i++) {
for (int i = 0; i < editor->maxLines; i++) {
free(editor->lines[i].text);
}
free(editor->lines);
}
free(editor->outputString);
free(editor->displayString);
//free(editor->outputString);
//free(editor->displayString);
free(editor->outRect);
free(editor->rect);