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Add home/end/tab support #40

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Add home/end/tab support #40

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11 changes: 11 additions & 0 deletions src/editor.c
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,17 @@ void editor_move_char_right(Editor *e)
if (e->cursor < e->data.count) e->cursor += 1;
}

void editor_move_char_begin(Editor *e)
{
size_t cursor_row = editor_cursor_row(e);
e->cursor = e->lines.items[cursor_row].begin;
}
void editor_move_char_end(Editor *e)
{
size_t cursor_row = editor_cursor_row(e);
e->cursor = e->lines.items[cursor_row].end;
}

void editor_insert_char(Editor *e, char x)
{
if (e->cursor > e->data.count) {
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2 changes: 2 additions & 0 deletions src/editor.h
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,8 @@ void editor_move_line_up(Editor *e);
void editor_move_line_down(Editor *e);
void editor_move_char_left(Editor *e);
void editor_move_char_right(Editor *e);
void editor_move_char_begin(Editor *e);
void editor_move_char_end(Editor *e);
void editor_insert_char(Editor *e, char x);
void editor_recompute_lines(Editor *e);

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28 changes: 28 additions & 0 deletions src/main.c
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Expand Up @@ -333,6 +333,34 @@ int main(int argc, char **argv)

}
break;

case SDLK_HOME: {
editor_move_char_begin(&editor);
cursor_renderer_use(&cr);
glUniform1f(cr.uniforms[UNIFORM_SLOT_LAST_STROKE], (float) SDL_GetTicks() / 1000.0f);

}
break;

case SDLK_END: {
editor_move_char_end(&editor);
cursor_renderer_use(&cr);
glUniform1f(cr.uniforms[UNIFORM_SLOT_LAST_STROKE], (float) SDL_GetTicks() / 1000.0f);

}
break;

case SDLK_TAB: {
const char *text = " ";
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I believe it should be similar to SDLK_RETURN and add \t instead of 4 spaces

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I tried that but that unfortunately doesn't work. Besides, SDLK_RETURN inserts a '\n'.

size_t text_len = strlen(text);
for (size_t i = 0; i < text_len; ++i) {
editor_insert_char(&editor, text[i]);
}
cursor_renderer_use(&cr);
glUniform1f(cr.uniforms[UNIFORM_SLOT_LAST_STROKE], (float) SDL_GetTicks() / 1000.0f);
}
break;

}
}
break;
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