147 lines
5.9 KiB
C
147 lines
5.9 KiB
C
/* vim:expandtab:ts=2 sw=2:
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*/
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/* Grafx2 - The Ultimate 256-color bitmap paint program
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Copyright 2007 Adrien Destugues
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Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
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Grafx2 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2
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of the License.
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Grafx2 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grafx2; if not, see <http://www.gnu.org/licenses/>
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*/
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//////////////////////////////////////////////////////////////////////////////
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///@file engine.h
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/// Utility functions for the menu and all windows.
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//////////////////////////////////////////////////////////////////////////////
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#ifndef __ENGINE_H__
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#define __ENGINE_H__
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#include "struct.h"
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void Main_handler (void);
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void Draw_menu_button (byte btn_number,byte pressed);
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void Unselect_button (int btn_number);
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void Select_button (int btn_number,byte click);
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void Open_window (word width,word height, const char * title);
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void Close_window (void);
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void Open_popup (word x_pos, word y_pos, word width, word height);
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void Close_popup (void);
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void Window_draw_normal_bouton(word x_pos,word y_pos,word width,word height,
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const char * title,byte undersc_letter,byte clickable);
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void Window_select_normal_button(word x_pos,word y_pos,word width,word height);
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void Window_unselect_normal_button(word x_pos,word y_pos,word width,word height);
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void Window_draw_palette_bouton(word x_pos,word y_pos);
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void Compute_slider_cursor_length(T_Scroller_button * button);
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void Window_draw_slider(T_Scroller_button * button);
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void Window_draw_scroller_button(T_Scroller_button * button);
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void Window_input_content(T_Special_button * button, const char * content);
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void Window_clear_input_button(T_Special_button * button);
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void Window_draw_input_bouton(word x_pos, word y_pos, word width_in_characters);
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T_Normal_button * Window_set_normal_button(word x_pos, word y_pos,
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word width, word height, const char * title, byte undersc_letter,
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byte clickable, word shortcut);
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T_Normal_button * Window_set_repeatable_button(word x_pos, word y_pos,
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word width, word height, const char * title, byte undersc_letter,
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byte clickable, word shortcut);
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T_Palette_button * Window_set_palette_button(word x_pos, word y_pos);
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void Window_clear_tags(void);
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void Tag_color_range(byte start, byte end);
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T_Scroller_button * Window_set_scroller_button(word x_pos, word y_pos,
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word height, word nb_elements, word nb_elements_visible,
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word initial_position);
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T_Scroller_button * Window_set_horizontal_scroller_button(word x_pos, word y_pos,
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word height, word nb_elements, word nb_elements_visible,
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word initial_position);
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T_Special_button * Window_set_special_button(word x_pos, word y_pos, word width,
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word height);
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T_Special_button * Window_set_input_button(word x_pos, word y_pos,
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word width_in_characters);
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T_Dropdown_button * Window_set_dropdown_button(word x_pos, word y_pos,
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word width, word height, word dropdown_width, const char *label,
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byte display_choice, byte display_centered, byte display_arrow,
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byte active_button,byte bottom_up);
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/// Adds an item to a dropdown menu
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void Window_dropdown_add_item(T_Dropdown_button * dropdown, word btn_number,
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const char *label);
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void Window_dropdown_clear_items(T_Dropdown_button * dropdown);
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///
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/// Displays a dropped-down menu and handles the UI logic until the user
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/// releases a mouse button.
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/// This function then clears the dropdown and returns the selected item,
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/// or NULL if the user wasn't highlighting an item when he closed.
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T_Dropdown_choice * Dropdown_activate(T_Dropdown_button *button, short off_x, short off_y);
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T_List_button * Window_set_list_button(T_Special_button * entry_button,
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T_Scroller_button * scroller, Func_draw_list_item draw_list_item, byte color_index);
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void Window_redraw_list(T_List_button * list);
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byte Window_click_in_rectangle(short start_x, short start_y, short end_x,
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short end_y);
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short Wait_click_in_palette(T_Palette_button * button);
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short Window_normal_button_onclick(word x_pos, word y_pos, word width, word height, short btn_number);
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void Get_color_behind_window(byte * color, byte * click);
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short Window_clicked_button(void);
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int Button_under_mouse(void);
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short Window_get_clicked_button(void);
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/// Remaps all the colors from the window background buffers from row Min_Y to row Max_Y
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void Remap_window_backgrounds(const byte * conversion_table, int Min_Y, int Max_Y);
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/// Remaps only UI elements (Windows + Menu) in all window background buffers
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void Remap_UI_in_window_backgrounds(const byte * conversion_table);
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void Pixel_background(int x_pos, int y_pos, byte color);
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///
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/// Updates the status bar line with a color number.
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/// Used when hovering the menu palette.
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void Status_print_palette_color(byte color);
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/// Puts the user in wait mode for the specified time ( in 1/100s),
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/// though the mouse still works.
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void Delay_with_active_mouse(int delay);
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///
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/// Based on which toolbars are visible, updates their offsets and
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/// computes ::Menu_height and ::Menu_Y
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void Compute_menu_offsets(void);
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///
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/// Shows or hides a tolbar from the menu.
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/// If with_redraw is set to zero, the caller should
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/// redraw itself using Display_menu() and Display_all_screen().
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void Set_bar_visibility(word bar, int visible, int with_redraw);
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///
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/// Checks if the current menu toolbars suit the current image type :
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/// layered vs anim. If they don't fit, swap the toolbars and return 1:
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/// The caller is then responsible for refreshing the screen by calling
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/// Display_menu() and Display_all_screen()
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int Check_menu_mode(void);
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#endif
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