From 348e1876d25320e6480f2795c9388b2bc080c743 Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Sun, 7 Mar 2021 12:16:12 -0500 Subject: text entry, with cursor, but no keyboard --- src/user/raleigh/w/entry.cpp | 138 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/user/raleigh/w/entry.cpp (limited to 'src/user/raleigh/w/entry.cpp') diff --git a/src/user/raleigh/w/entry.cpp b/src/user/raleigh/w/entry.cpp new file mode 100644 index 0000000..de8bd82 --- /dev/null +++ b/src/user/raleigh/w/entry.cpp @@ -0,0 +1,138 @@ +#include +#include +#include +#include + +namespace raleigh { + entry::entry(uint32_t rows, uint32_t cols, const char *default_text, + const char *font, _pixel_t bg, _pixel_t fg, _pixel_t border_color) + : rows(rows), cols(cols), bg(bg), fg(fg), border_color(border_color), + fi(get_font(font)), data(new char[rows * cols]), + line_indices(new uint32_t[rows + 1]), first_paint(true) { + size = coord(fi->space_width * (cols - 1) + fi->char_width + 6, fi->space_height * (rows - 1) + fi->char_height + 6); + closest_opaque = this; + + end_x = 0; + end_y = 0; + line_indices[0] = 0; + for (end_d = 0; default_text[end_d]; ++end_d) { + if (end_d == rows * cols - 1) + break; + data[end_d] = default_text[end_d]; + if ((default_text[end_d] == '\n') || (++end_x == cols)) { + if (end_y == rows - 1) + break; + line_indices[++end_y] = end_d + 1; + end_x = 0; + } + } + line_indices[end_y + 1] = end_d; + cur_x = end_x; + cur_y = end_y; + cur_d = end_d; + data[end_d] = '\0'; + } + + void entry::notify_window_change() {} + + void entry::paint_text(_pixel_t *pixbuf, uint32_t pitch) { + uint32_t y = 0; + uint32_t x = -1; + for (const char *i = data; *i; ++i) { + if (*i == '\n') { + ++y; + x = -1; + } + else { + if (++x == cols) { + ++y; + x = 0; + } + put_char_no_bg(fi, *i, pixbuf + (window_offset.y + 3 + y * fi->space_height) * pitch + (window_offset.x + 3 + x * fi->space_width), pitch, fg); + } + } + } + + void entry::paint(_pixel_t *pixbuf, uint32_t pitch) { + _pixel_t *const cur_ptr = pixbuf + (window_offset.y + 3 + cur_y * fi->space_height) * pitch + (window_offset.x + 3 + cur_x * fi->space_width); + _pixel_t *const old_cur_ptr = pixbuf + (window_offset.y + 3 + cur_y_last_paint * fi->space_height) * pitch + (window_offset.x + 3 + cur_x_last_paint * fi->space_width); + + if (first_paint) { + for (uint32_t x = 0; x < size.x; ++x) { + pixbuf[(window_offset.y) * pitch + window_offset.x + x] = border_color; + pixbuf[(window_offset.y + size.y - 1) * pitch + window_offset.x + x] = border_color; + } + for (uint32_t y = 1; y < size.y - 1; ++y) { + pixbuf[(window_offset.y + y) * pitch + window_offset.x] = border_color; + pixbuf[(window_offset.y + y) * pitch + window_offset.x + size.x - 1] = border_color; + } + + for (uint32_t y = 1; y < size.y - 1; ++y) + for (uint32_t x = 1; x < size.x - 1; ++x) + pixbuf[(window_offset.y + y) * pitch + (window_offset.x + x)] = bg; + + paint_text(pixbuf, pitch); + first_paint = false; + } + + else if (text_changed_since_last_paint) { + for (uint32_t y = 3; y < size.y - 3; ++y) + for (uint32_t x = 3; x < size.x - 3; ++x) + pixbuf[(window_offset.y + y) * pitch + (window_offset.x + x)] = bg; + paint_text(pixbuf, pitch); + text_changed_since_last_paint = false; + } + + else { + for (uint32_t y = 0; y < fi->char_height; ++y) { + old_cur_ptr[y * pitch] = bg; + old_cur_ptr[y * pitch + 1] = bg; + } + if (data[cur_d_last_paint] && (data[cur_d_last_paint] != '\n')) + put_char_no_bg(fi, data[cur_d_last_paint], old_cur_ptr, pitch, fg); + } + + for (uint32_t y = 0; y < fi->char_height; ++y) { + cur_ptr[y * pitch] = fg; + cur_ptr[y * pitch + 1] = fg; + } + + cur_y_last_paint = cur_y; + cur_x_last_paint = cur_x; + cur_d_last_paint = cur_d; + } + + bool entry::try_handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) { + if (up || (click_type != mouse_packet::LEFT)) + return false; + + if (window_coords.x - window_offset.x < 3) + window_coords.x = 3 + window_offset.x; + else if (window_coords.x - window_offset.x > size.x - 4) + window_coords.x = size.x - 4 + window_offset.x; + if (window_coords.y - window_offset.y < 3) + window_coords.y = 3 + window_offset.y; + else if (window_coords.y - window_offset.y > size.y - 4) + window_coords.y = size.y - 4 + window_offset.y; + + cur_y = (window_coords.y - window_offset.y - 3) / fi->space_height; + cur_x = (window_coords.x - window_offset.x - 3) / fi->space_width; + if (cur_y > end_y) { + cur_y = end_y; + cur_x = end_x; + } + cur_d = line_indices[cur_y] + cur_x; + + if (cur_d >= line_indices[cur_y + 1]) { + cur_d = line_indices[cur_y + 1] - 1; + if (data[cur_d] != '\n') + ++cur_d; + cur_x = cur_d - line_indices[cur_y]; + } + + w->notify_needs_paint(*this); + return true; + } + + void entry::notify_has_opaque_parent(widget *parent) {} +} \ No newline at end of file -- cgit v1.2.3