forked from KolibriOS/kolibrios
135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
#ifndef KOLIBRI_GUI_H
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#define KOLIBRI_GUI_H
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#include <stdlib.h> /* for malloc() */
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#include <kos32sys.h>
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#include "kolibri_debug.h" /* work with debug board */
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/* boxlib loader */
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#include "kolibri_boxlib.h"
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/* All supported GUI elements included */
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#include "kolibri_gui_elements.h"
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enum KOLIBRI_GUI_EVENTS {
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KOLIBRI_EVENT_REDRAW = 1, /* Window and window elements should be redrawn */
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KOLIBRI_EVENT_KEY = 2, /* A key on the keyboard was pressed */
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KOLIBRI_EVENT_BUTTON = 3, /* A button was clicked with the mouse */
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KOLIBRI_EVENT_MOUSE = 6 /* Mouse activity (movement, button press) was detected */
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};
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void kolibri_handle_event_redraw(struct kolibri_window* some_window)
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{
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/* Draw windows with system color table. */
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BeginDraw();
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DrawWindow(some_window->topleftx, some_window->toplefty,
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some_window->sizex, some_window->sizey,
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some_window->window_title,
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kolibri_color_table.color_work_area, some_window->XY);
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/* Enumerate and draw all window elements here */
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if(some_window->elements) /* Draw all elements added to window */
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{
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struct kolibri_window_element* current_element = some_window -> elements;
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do
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{
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/* The redraw_fn serves as draw_fn on initial draw */
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if(kolibri_gui_op_table[current_element -> type].redraw_fn)
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kolibri_gui_op_table[current_element -> type].redraw_fn(current_element -> element);
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//sie after fixing calling conventions no more needed
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/*
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switch(current_element -> type)
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{
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case KOLIBRI_EDIT_BOX:
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case KOLIBRI_CHECK_BOX:
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__asm__ volatile("push $0x13371337"::); / * Random value pushed to balance stack * /
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/ * otherwise edit_box_draw leaves stack unbalanced * /
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/ * and GCC jumps like a crazy motha' fucka' * /
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break;
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}
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*/
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current_element = current_element -> next;
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} while(current_element != some_window->elements); /* Have we covered all elements? */
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}
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}
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void kolibri_handle_event_key(struct kolibri_window* some_window)
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{
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/* Enumerate and trigger key handling functions of window elements here */
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if(some_window->elements)
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{
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struct kolibri_window_element *current_element = some_window -> elements;
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do
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{
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/* Only execute if the function pointer isn't NULL */
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if(kolibri_gui_op_table[current_element -> type].key_fn)
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kolibri_gui_op_table[current_element -> type].key_fn(current_element -> element);
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current_element = current_element -> next;
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} while(current_element != some_window->elements); /* Have we covered all elements? */
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}
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}
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void kolibri_handle_event_mouse(struct kolibri_window* some_window)
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{
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/* Enumerate and trigger mouse handling functions of window elements here */
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if(some_window->elements)
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{
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struct kolibri_window_element *current_element = some_window -> elements;
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do
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{
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if(kolibri_gui_op_table[current_element -> type].mouse_fn)
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kolibri_gui_op_table[current_element -> type].mouse_fn(current_element -> element);
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current_element = current_element -> next;
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} while(current_element != some_window->elements); /* Have we covered all elements? */
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}
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}
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void kolibri_exit(void)
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{
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__asm__ volatile ("int $0x40"::"a"(-1));
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}
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int kolibri_gui_init(void)
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{
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int boxlib_init_status = kolibri_boxlib_init();
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if(boxlib_init_status == 0)
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debug_board_write_str("ashmew2 is happy: Kolibri GUI Successfully Initialized.\n");
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else
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{
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debug_board_write_str("ashmew2 is sad: Kolibri GUI Failed to initialize.\n");
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kolibri_exit();
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}
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/* Initialize the global operation table which handles event functions of */
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/* each individual element type */
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kolibri_init_gui_op_table();
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/* Get the current color table for Kolibri and store in global table*/
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kolibri_get_system_colors(&kolibri_color_table);
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/* Set up system events for buttons, mouse and keyboard and redraw */
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/* Also set filters so that window receives mouse events only when active
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and mouse inside window */
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__asm__ volatile("int $0x40"::"a"(40), "b"(0xC0000027));
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return boxlib_init_status;
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}
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/* Note: The current implementation tries to automatically colors
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GUI elements with system theme */
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#endif /* KOLIBRI_GUI_H */
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