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Fixed completion and hint panel positioning in TextExit

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Filip 2021-01-11 20:59:56 +01:00
parent 98ccaa1bad
commit de9e1e4540
1 changed files with 67 additions and 45 deletions
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112
scene/gui/text_edit.cpp
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@ -810,8 +810,8 @@ void TextEdit::_notification(int p_what) {
} }
} }
bool is_cursor_line_visible = false;
Point2 cursor_pos; Point2 cursor_pos;
int cursor_insert_offset_y = 0;
// Get the highlighted words. // Get the highlighted words.
String highlighted_text = get_selection_text(); String highlighted_text = get_selection_text();
@ -1238,6 +1238,7 @@ void TextEdit::_notification(int p_what) {
} }
} }
const int line_top_offset_y = ofs_y;
ofs_y += (row_height - text_height) / 2; ofs_y += (row_height - text_height) / 2;
const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(rid); const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(rid);
@ -1320,7 +1321,9 @@ void TextEdit::_notification(int p_what) {
int caret_width = 1; int caret_width = 1;
#endif #endif
if (cursor.line == line && ((line_wrap_index == line_wrap_amount) || (cursor.column != TS->shaped_text_get_range(rid).y))) { if (cursor.line == line && ((line_wrap_index == line_wrap_amount) || (cursor.column != TS->shaped_text_get_range(rid).y))) {
cursor_pos.y = ofs_y + ldata->get_line_descent(line_wrap_index); is_cursor_line_visible = true;
cursor_pos.y = line_top_offset_y;
if (ime_text.length() == 0) { if (ime_text.length() == 0) {
Rect2 l_caret, t_caret; Rect2 l_caret, t_caret;
TextServer::Direction l_dir, t_dir; TextServer::Direction l_dir, t_dir;
@ -1439,78 +1442,97 @@ void TextEdit::_notification(int p_what) {
} }
bool completion_below = false; bool completion_below = false;
if (completion_active && completion_options.size() > 0) { if (completion_active && is_cursor_line_visible && completion_options.size() > 0) {
// Code completion box. // Completion panel
Ref<StyleBox> csb = get_theme_stylebox("completion");
int maxlines = get_theme_constant("completion_lines"); const Ref<StyleBox> csb = get_theme_stylebox("completion");
int cmax_width = get_theme_constant("completion_max_width") * cache.font->get_char_size('x', 0, cache.font_size).x; const int maxlines = get_theme_constant("completion_lines");
int scrollw = get_theme_constant("completion_scroll_width"); const int cmax_width = get_theme_constant("completion_max_width") * cache.font->get_char_size('x', 0, cache.font_size).x;
Color scrollc = get_theme_color("completion_scroll_color"); const Color scrollc = get_theme_color("completion_scroll_color");
const int completion_options_size = completion_options.size(); const int completion_options_size = completion_options.size();
int lines = MIN(completion_options_size, maxlines); const int row_count = MIN(completion_options_size, maxlines);
int w = 0; const int completion_rows_height = row_count * row_height;
int h = lines * row_height; const int completion_base_width = cache.font->get_string_size(completion_base, cache.font_size).width;
int nofs = cache.font->get_string_size(completion_base, cache.font_size).width;
int scroll_rectangle_width = get_theme_constant("completion_scroll_width");
int width = 0;
// Compute max width of the panel based on the longest completion option
if (completion_options_size < 50) { if (completion_options_size < 50) {
for (int i = 0; i < completion_options_size; i++) { for (int i = 0; i < completion_options_size; i++) {
int w2 = MIN(cache.font->get_string_size(completion_options[i].display, cache.font_size).x, cmax_width); int line_width = MIN(cache.font->get_string_size(completion_options[i].display, cache.font_size).x, cmax_width);
if (w2 > w) { if (line_width > width) {
w = w2; width = line_width;
} }
} }
} else { } else {
w = cmax_width; width = cmax_width;
} }
// Add space for completion icons. // Add space for completion icons.
const int icon_hsep = get_theme_constant("hseparation", "ItemList"); const int icon_hsep = get_theme_constant("hseparation", "ItemList");
Size2 icon_area_size(row_height, row_height); const Size2 icon_area_size(row_height, row_height);
w += icon_area_size.width + icon_hsep; const int icon_area_width = icon_area_size.width + icon_hsep;
width += icon_area_width;
int line_from = CLAMP(completion_index - lines / 2, 0, completion_options_size - lines); const int line_from = CLAMP(completion_index - row_count / 2, 0, completion_options_size - row_count);
for (int i = 0; i < lines; i++) { for (int i = 0; i < row_count; i++) {
int l = line_from + i; int l = line_from + i;
ERR_CONTINUE(l < 0 || l >= completion_options_size); ERR_CONTINUE(l < 0 || l >= completion_options_size);
if (completion_options[l].default_value.get_type() == Variant::COLOR) { if (completion_options[l].default_value.get_type() == Variant::COLOR) {
w += icon_area_size.width; width += icon_area_size.width;
break; break;
} }
} }
int th = h + csb->get_minimum_size().y; // Position completion panel
completion_rect.size.width = width + 2;
completion_rect.size.height = completion_rows_height;
if (cursor_pos.y + row_height + th > get_size().height) { if (completion_options_size <= maxlines) {
completion_rect.position.y = cursor_pos.y - th - (cache.line_spacing / 2.0f) - cursor_insert_offset_y; scroll_rectangle_width = 0;
}
const Point2 csb_offset = csb->get_offset();
const int total_width = completion_rect.size.width + csb->get_minimum_size().x + scroll_rectangle_width;
const int total_height = completion_rect.size.height + csb->get_minimum_size().y;
const int rect_left_border_x = cursor_pos.x - completion_base_width - icon_area_width - csb_offset.x;
const int rect_right_border_x = rect_left_border_x + total_width;
if (rect_left_border_x < 0) {
// Anchor the completion panel to the left
completion_rect.position.x = 0;
} else if (rect_right_border_x > get_size().width) {
// Anchor the completion panel to the right
completion_rect.position.x = get_size().width - total_width;
} else { } else {
completion_rect.position.y = cursor_pos.y + cache.font->get_height(cache.font_size) + (cache.line_spacing / 2.0f) + csb->get_offset().y - cursor_insert_offset_y; // Let the completion panel float with the cursor
completion_rect.position.x = rect_left_border_x;
}
if (cursor_pos.y + row_height + total_height > get_size().height) {
// Completion panel above the cursor line
completion_rect.position.y = cursor_pos.y - total_height;
} else {
// Completion panel below the cursor line
completion_rect.position.y = cursor_pos.y + row_height;
completion_below = true; completion_below = true;
} }
if (cursor_pos.x - nofs + w + scrollw > get_size().width) { draw_style_box(csb, Rect2(completion_rect.position - csb_offset, completion_rect.size + csb->get_minimum_size() + Size2(scroll_rectangle_width, 0)));
completion_rect.position.x = get_size().width - w - scrollw;
} else {
completion_rect.position.x = cursor_pos.x - nofs;
}
completion_rect.size.width = w + 2;
completion_rect.size.height = h;
if (completion_options_size <= maxlines) {
scrollw = 0;
}
draw_style_box(csb, Rect2(completion_rect.position - csb->get_offset(), completion_rect.size + csb->get_minimum_size() + Size2(scrollw, 0)));
if (cache.completion_background_color.a > 0.01) { if (cache.completion_background_color.a > 0.01) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(completion_rect.position, completion_rect.size + Size2(scrollw, 0)), cache.completion_background_color); RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(completion_rect.position, completion_rect.size + Size2(scroll_rectangle_width, 0)), cache.completion_background_color);
} }
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(completion_rect.position.x, completion_rect.position.y + (completion_index - line_from) * get_row_height()), Size2(completion_rect.size.width, get_row_height())), cache.completion_selected_color); RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(completion_rect.position.x, completion_rect.position.y + (completion_index - line_from) * get_row_height()), Size2(completion_rect.size.width, get_row_height())), cache.completion_selected_color);
draw_rect(Rect2(completion_rect.position + Vector2(icon_area_size.x + icon_hsep, 0), Size2(MIN(nofs, completion_rect.size.width - (icon_area_size.x + icon_hsep)), completion_rect.size.height)), cache.completion_existing_color); draw_rect(Rect2(completion_rect.position + Vector2(icon_area_size.x + icon_hsep, 0), Size2(MIN(completion_base_width, completion_rect.size.width - (icon_area_size.x + icon_hsep)), completion_rect.size.height)), cache.completion_existing_color);
for (int i = 0; i < lines; i++) { for (int i = 0; i < row_count; i++) {
int l = line_from + i; int l = line_from + i;
ERR_CONTINUE(l < 0 || l >= completion_options_size); ERR_CONTINUE(l < 0 || l >= completion_options_size);
@ -1550,11 +1572,11 @@ void TextEdit::_notification(int p_what) {
tl->draw(ci, title_pos, completion_options[l].font_color); tl->draw(ci, title_pos, completion_options[l].font_color);
} }
if (scrollw) { if (scroll_rectangle_width) {
// Draw a small scroll rectangle to show a position in the options. // Draw a small scroll rectangle to show a position in the options.
float r = (float)maxlines / completion_options_size; float r = (float)maxlines / completion_options_size;
float o = (float)line_from / completion_options_size; float o = (float)line_from / completion_options_size;
draw_rect(Rect2(completion_rect.position.x + completion_rect.size.width, completion_rect.position.y + o * completion_rect.size.y, scrollw, completion_rect.size.y * r), scrollc); draw_rect(Rect2(completion_rect.position.x + completion_rect.size.width, completion_rect.position.y + o * completion_rect.size.y, scroll_rectangle_width, completion_rect.size.y * r), scrollc);
} }
completion_line_ofs = line_from; completion_line_ofs = line_from;
@ -1562,7 +1584,7 @@ void TextEdit::_notification(int p_what) {
// Check to see if the hint should be drawn. // Check to see if the hint should be drawn.
bool show_hint = false; bool show_hint = false;
if (completion_hint != "") { if (is_cursor_line_visible && completion_hint != "") {
if (completion_active) { if (completion_active) {
if (completion_below && !callhint_below) { if (completion_below && !callhint_below) {
show_hint = true; show_hint = true;