93 lines
1.8 KiB
C++
93 lines
1.8 KiB
C++
#include "gtkmm2ext/searchbar.h"
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#include "gtkmm2ext/keyboard.h"
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#include <iostream>
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namespace Gtkmm2ext {
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SearchBar::SearchBar (const std::string& label, bool icon_resets)
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: placeholder_text (label)
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, icon_click_resets (icon_resets)
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{
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set_text (placeholder_text);
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set_alignment (Gtk::ALIGN_CENTER);
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signal_key_press_event().connect (sigc::mem_fun (*this, &SearchBar::key_press_event));
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signal_focus_in_event().connect (sigc::mem_fun (*this, &SearchBar::focus_in_event));
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signal_focus_out_event().connect (sigc::mem_fun (*this, &SearchBar::focus_out_event));
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signal_changed().connect (sigc::mem_fun (*this, &SearchBar::search_string_changed));
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signal_icon_release().connect (sigc::mem_fun (*this, &SearchBar::icon_clicked_event));
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}
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bool
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SearchBar::focus_in_event (GdkEventFocus*)
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{
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if (get_text ().compare (placeholder_text) == 0) {
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set_text ("");
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}
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icon = get_icon_pixbuf ();
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if (icon) {
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set_icon_from_pixbuf (Glib::RefPtr<Gdk::Pixbuf> ());
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}
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return true;
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}
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bool
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SearchBar::focus_out_event (GdkEventFocus*)
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{
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if (get_text ().empty ()) {
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set_text (placeholder_text);
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}
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if (icon) {
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set_icon_from_pixbuf (icon);
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icon.reset ();
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}
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search_string_changed ();
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return false;
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}
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bool
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SearchBar::key_press_event (GdkEventKey* ev)
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{
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switch (ev->keyval) {
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case GDK_Escape:
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set_text (placeholder_text);
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return true;
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default:
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break;
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}
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return false;
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}
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void
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SearchBar::icon_clicked_event (Gtk::EntryIconPosition, const GdkEventButton*)
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{
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if (icon_click_resets) {
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reset ();
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}
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else {
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search_string_changed ();
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}
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}
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void
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SearchBar::search_string_changed () const
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{
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const std::string& text = get_text ();
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if (text.empty() || text.compare (placeholder_text) == 0) {
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sig_search_string_updated ("");
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return;
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}
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sig_search_string_updated (text);
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}
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void
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SearchBar::reset ()
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{
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set_text (placeholder_text);
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search_string_changed ();
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}
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} |