void ttext_::paste_selection(const bool mouse) { const std::string& text = copy_from_clipboard(mouse); if(text.empty()) { return; } delete_selection(); selection_start_ += text_.insert_text(selection_start_, text); update_canvas(); set_dirty(); }
void ttext_::paste_selection(const bool mouse) { const std::string& text = copy_from_clipboard(mouse); if(text.empty()) { return; } delete_selection(); selection_start_ += text_.insert_text(selection_start_, text); update_canvas(); set_dirty(true); fire(event::NOTIFY_MODIFIED, *this, NULL); }
void textbox::handle_event(const SDL_Event& event) { scrollarea::handle_event(event); if(hidden()) return; bool changed = false; const int old_selstart = selstart_; const int old_selend = selend_; //Sanity check: verify that selection start and end are within text //boundaries if(is_selection() && !(size_t(selstart_) <= text_.size() && size_t(selend_) <= text_.size())) { WRN_DP << "out-of-boundary selection\n"; selstart_ = selend_ = -1; } int mousex, mousey; const Uint8 mousebuttons = SDL_GetMouseState(&mousex,&mousey); if(!(mousebuttons & SDL_BUTTON(1))) { grabmouse_ = false; } SDL_Rect const &loc = inner_location(); bool clicked_inside = !mouse_locked() && (event.type == SDL_MOUSEBUTTONDOWN && (mousebuttons & SDL_BUTTON(1)) && point_in_rect(mousex, mousey, loc)); if(clicked_inside) { set_focus(true); } if ((grabmouse_ && (!mouse_locked() && event.type == SDL_MOUSEMOTION)) || clicked_inside) { const int x = mousex - loc.x + text_pos_; const int y = mousey - loc.y; int pos = 0; int distance = x; for(unsigned int i = 1; i < char_x_.size(); ++i) { if(static_cast<int>(yscroll_) + y < char_y_[i]) { break; } // Check individually each distance (if, one day, we support // RTL languages, char_x_[c] may not be monotonous.) if(abs(x - char_x_[i]) < distance && yscroll_ + y < char_y_[i] + line_height_) { pos = i; distance = abs(x - char_x_[i]); } } cursor_ = pos; if(grabmouse_) selend_ = cursor_; update_text_cache(false); if(!grabmouse_ && mousebuttons & SDL_BUTTON(1)) { grabmouse_ = true; selstart_ = selend_ = cursor_; } else if (! (mousebuttons & SDL_BUTTON(1))) { grabmouse_ = false; } set_dirty(); } if(editable_ == false) { return; } //if we don't have the focus, then see if we gain the focus, //otherwise return if(focus(&event) == false) { if (!mouse_locked() && event.type == SDL_MOUSEMOTION && point_in_rect(mousex, mousey, loc)) events::focus_handler(this); return; } if(event.type != SDL_KEYDOWN || focus(&event) != true) { draw(); return; } const SDL_keysym& key = reinterpret_cast<const SDL_KeyboardEvent&>(event).keysym; const SDLMod modifiers = SDL_GetModState(); const int c = key.sym; const int old_cursor = cursor_; if(c == SDLK_LEFT && cursor_ > 0) --cursor_; if(c == SDLK_RIGHT && cursor_ < static_cast<int>(text_.size())) ++cursor_; // ctrl-a, ctrl-e and ctrl-u are readline style shortcuts, even on Macs if(c == SDLK_END || (c == SDLK_e && (modifiers & KMOD_CTRL))) cursor_ = text_.size(); if(c == SDLK_HOME || (c == SDLK_a && (modifiers & KMOD_CTRL))) cursor_ = 0; if((old_cursor != cursor_) && (modifiers & KMOD_SHIFT)) { if(selstart_ == -1) selstart_ = old_cursor; selend_ = cursor_; } if(c == SDLK_BACKSPACE) { changed = true; if(is_selection()) { erase_selection(); } else if(cursor_ > 0) { --cursor_; text_.erase(text_.begin()+cursor_); } } if(c == SDLK_u && (modifiers & KMOD_CTRL)) { // clear line changed = true; cursor_ = 0; text_.resize(0); } if(c == SDLK_DELETE && !text_.empty()) { changed = true; if(is_selection()) { erase_selection(); } else { if(cursor_ < static_cast<int>(text_.size())) { text_.erase(text_.begin()+cursor_); } } } wchar_t character = key.unicode; //movement characters may have a "Unicode" field on some platforms, so ignore it. if(!(c == SDLK_UP || c == SDLK_DOWN || c == SDLK_LEFT || c == SDLK_RIGHT || c == SDLK_DELETE || c == SDLK_BACKSPACE || c == SDLK_END || c == SDLK_HOME || c == SDLK_PAGEUP || c == SDLK_PAGEDOWN)) { if(character != 0) { DBG_G << "Char: " << character << ", c = " << c << "\n"; } if(event.key.keysym.mod & copypaste_modifier) { switch(c) { case SDLK_v: // paste { changed = true; if(is_selection()) erase_selection(); std::string str = copy_from_clipboard(false); //cut off anything after the first newline str.erase(std::find_if(str.begin(),str.end(),utils::isnewline),str.end()); wide_string s = utils::string_to_wstring(str); if(text_.size() < max_size_) { if(s.size() + text_.size() > max_size_) { s.resize(max_size_ - text_.size()); } text_.insert(text_.begin()+cursor_, s.begin(), s.end()); cursor_ += s.size(); } } break; case SDLK_c: // copy { const size_t beg = std::min<size_t>(size_t(selstart_),size_t(selend_)); const size_t end = std::max<size_t>(size_t(selstart_),size_t(selend_)); wide_string ws = wide_string(text_.begin() + beg, text_.begin() + end); std::string s = utils::wstring_to_string(ws); copy_to_clipboard(s, false); } break; } } else { if(character >= 32 && character != 127) { changed = true; if(is_selection()) erase_selection(); if(text_.size() + 1 <= max_size_) { text_.insert(text_.begin()+cursor_,character); ++cursor_; } } } } if(is_selection() && (selend_ != cursor_)) selstart_ = selend_ = -1; //since there has been cursor activity, make the cursor appear for //at least the next 500ms. show_cursor_ = true; show_cursor_at_ = SDL_GetTicks(); if(changed || old_cursor != cursor_ || old_selstart != selstart_ || old_selend != selend_) { text_image_ = NULL; handle_text_changed(text_); } set_dirty(true); }