forked from KolibriOS/kolibrios
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* An example of using threads to create a copy of a window.
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* Built on top of the /programs/develop/examples/thread/trunk/thread.asm example.
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*
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* Created by turbocat (Maxim Logaev) 2021.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ksys.h>
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#define TH_STACK_SIZE 1024
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enum BUTTONS {
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BTN_QUIT = 1,
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BTN_CREATE_TH = 2,
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};
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ksys_colors_table_t sys_colors;
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extern int main();
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void redraw_window(void)
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{
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ksys_pos_t mouse_pos = _ksys_get_mouse_pos(KSYS_MOUSE_SCREEN_POS);
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_ksys_start_draw();
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_ksys_create_window(mouse_pos.x, mouse_pos.y, 140, 60, "Threads", sys_colors.work_area, 0x14);
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_ksys_define_button(10, 30, 120, 20, BTN_CREATE_TH, sys_colors.work_button);
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_ksys_draw_text("Create thread!", 15, 34, 0, 0x90000000 | sys_colors.work_button_text);
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_ksys_end_draw();
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}
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void create_thread(void)
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{
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unsigned tid; // New thread ID
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void* th_stack = malloc(TH_STACK_SIZE); // Allocate memory for thread stack
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if (!th_stack) {
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_ksys_debug_puts("Memory allocation error for thread!");
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return;
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}
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tid = _ksys_create_thread(main, th_stack + TH_STACK_SIZE); // Create new thread with entry "main"
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if (tid == -1) {
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_ksys_debug_puts("Unable to create a new thread!");
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return;
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}
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debug_printf("New thread created (TID=%u)\n", tid);
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}
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int main()
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{
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_ksys_get_system_colors(&sys_colors);
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int gui_event;
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redraw_window();
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while (1) {
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gui_event = _ksys_get_event();
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switch (gui_event) {
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case KSYS_EVENT_REDRAW:
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redraw_window();
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break;
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case KSYS_EVENT_BUTTON:
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switch (_ksys_get_button()) {
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case BTN_CREATE_TH:
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create_thread();
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break;
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case BTN_QUIT:
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_ksys_exit();
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}
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break;
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}
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}
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}
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