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71 lines
2.5 KiB
71 lines
2.5 KiB
11 years ago
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#include "tooltips.h"
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#include <iostream>
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Tooltip::Tooltip(Gtk::TextView& text_view, const std::string& label_text,
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Glib::RefPtr<Gtk::TextBuffer::Mark> start_mark, Glib::RefPtr<Gtk::TextBuffer::Mark> end_mark, Gdk::Rectangle &tooltips_rectangle):
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text_view(text_view), Gtk::Dialog("", (Gtk::Window&)*text_view.get_toplevel()), label(label_text),
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start_mark(start_mark), end_mark(end_mark), tooltips_rectangle(tooltips_rectangle) {
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get_content_area()->add(label);
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property_decorated()=false;
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set_accept_focus(false);
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}
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void Tooltip::update() {
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auto iter=start_mark->get_iter();
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auto end_iter=end_mark->get_iter();
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if(iter.get_offset()<end_iter.get_offset()) {
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text_view.get_iter_location(iter, text_rectangle);
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iter++;
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while(iter!=end_iter) {
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Gdk::Rectangle rectangle;
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text_view.get_iter_location(iter, rectangle);
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text_rectangle.join(rectangle);
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iter++;
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}
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}
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int location_window_x, location_window_y;
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text_view.buffer_to_window_coords(Gtk::TextWindowType::TEXT_WINDOW_TEXT, text_rectangle.get_x(), text_rectangle.get_y(), location_window_x, location_window_y);
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text_rectangle.set_x(location_window_x);
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text_rectangle.set_y(location_window_y);
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}
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void Tooltip::adjust() {
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int tooltip_width, tooltip_height;
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get_size(tooltip_width, tooltip_height);
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int root_x, root_y;
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text_view.get_window(Gtk::TextWindowType::TEXT_WINDOW_TEXT)->get_root_coords(text_rectangle.get_x(), text_rectangle.get_y(), root_x, root_y);
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Gdk::Rectangle rectangle;
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rectangle.set_x(root_x);
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rectangle.set_y(root_y-tooltip_height);
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rectangle.set_width(tooltip_width);
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rectangle.set_height(tooltip_height);
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if(tooltips_rectangle.get_width()!=0) {
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if(rectangle.intersects(tooltips_rectangle))
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rectangle.set_y(tooltips_rectangle.get_y()-tooltip_height);
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tooltips_rectangle.join(rectangle);
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}
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else
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tooltips_rectangle=rectangle;
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if(rectangle.get_y()<0)
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rectangle.set_y(0);
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move(rectangle.get_x(), rectangle.get_y());
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}
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void Tooltips::add(const std::string& text, Glib::RefPtr<Gtk::TextBuffer::Mark> start_mark, Glib::RefPtr<Gtk::TextBuffer::Mark> end_mark) {
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tooltips.emplace_back(new Tooltip(text_view, text, start_mark, end_mark, tooltips_rectangle));
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}
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void Tooltips::show(const Gdk::Rectangle& rectangle) {
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init_adjustments();
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for(auto& tooltip: tooltips) {
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tooltip->update();
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if(rectangle.intersects(tooltip->text_rectangle)) {
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tooltip->show_all();
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tooltip->adjust();
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}
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else
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tooltip->hide();
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}
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}
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