You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
324 lines
8.7 KiB
C
324 lines
8.7 KiB
C
/**
|
|
* @file gtk.c
|
|
*
|
|
*/
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#include "gtkdrv.h"
|
|
|
|
#if USE_GTK
|
|
#define _DEFAULT_SOURCE /* needed for usleep() */
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <gtk/gtk.h>
|
|
#include <gtk/gtkx.h>
|
|
#include <pthread.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
|
|
/**********************
|
|
* STATIC PROTOTYPES
|
|
**********************/
|
|
static void gtkdrv_handler(void * p);
|
|
static gboolean mouse_pressed(GtkWidget *widget, GdkEventButton *event,
|
|
gpointer user_data);
|
|
static gboolean mouse_released(GtkWidget *widget, GdkEventButton *event,
|
|
gpointer user_data);
|
|
static gboolean mouse_motion(GtkWidget *widget, GdkEventMotion *event,
|
|
gpointer user_data);
|
|
static gboolean keyboard_press(GtkWidget *widget, GdkEventKey *event,
|
|
gpointer user_data);
|
|
static gboolean keyboard_release(GtkWidget *widget, GdkEventKey *event,
|
|
gpointer user_data);
|
|
|
|
static void quit_handler(void);
|
|
|
|
/**********************
|
|
* STATIC VARIABLES
|
|
**********************/
|
|
static GtkWidget *window;
|
|
static GtkWidget *event_box;
|
|
|
|
static GtkWidget *output_image;
|
|
static GdkPixbuf *pixbuf;
|
|
|
|
static unsigned char run_gtk;
|
|
|
|
static lv_coord_t mouse_x;
|
|
static lv_coord_t mouse_y;
|
|
static lv_indev_state_t mouse_btn = LV_INDEV_STATE_REL;
|
|
static lv_key_t last_key;
|
|
static lv_indev_state_t last_key_state;
|
|
|
|
static uint8_t fb[LV_HOR_RES_MAX * LV_VER_RES_MAX * 3];
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
/**********************
|
|
* GLOBAL FUNCTIONS
|
|
**********************/
|
|
|
|
void gtkdrv_init(void)
|
|
{
|
|
// Init GTK
|
|
gtk_init(NULL, NULL);
|
|
|
|
/* Or just set up the widgets in code */
|
|
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
|
|
gtk_window_set_default_size(GTK_WINDOW(window), LV_HOR_RES_MAX, LV_VER_RES_MAX);
|
|
gtk_window_set_resizable (GTK_WINDOW(window), FALSE);
|
|
output_image = gtk_image_new();
|
|
event_box = gtk_event_box_new (); // Use event_box around image, otherwise mouse position output in broadway is offset
|
|
gtk_container_add(GTK_CONTAINER (event_box), output_image);
|
|
gtk_container_add(GTK_CONTAINER (window), event_box);
|
|
|
|
gtk_widget_add_events(event_box, GDK_BUTTON_PRESS_MASK);
|
|
gtk_widget_add_events(event_box, GDK_SCROLL_MASK);
|
|
gtk_widget_add_events(event_box, GDK_POINTER_MOTION_MASK);
|
|
gtk_widget_add_events(window, GDK_KEY_PRESS_MASK);
|
|
|
|
g_signal_connect(window, "destroy", G_CALLBACK(quit_handler), NULL);
|
|
g_signal_connect(event_box, "button-press-event", G_CALLBACK(mouse_pressed), NULL);
|
|
g_signal_connect(event_box, "button-release-event", G_CALLBACK(mouse_released), NULL);
|
|
g_signal_connect(event_box, "motion-notify-event", G_CALLBACK(mouse_motion), NULL);
|
|
g_signal_connect(window, "key_press_event", G_CALLBACK(keyboard_press), NULL);
|
|
g_signal_connect(window, "key_release_event", G_CALLBACK(keyboard_release), NULL);
|
|
|
|
|
|
gtk_widget_show_all(window);
|
|
|
|
pixbuf = gdk_pixbuf_new_from_data((guchar*)fb, GDK_COLORSPACE_RGB, false, 8, LV_HOR_RES_MAX, LV_VER_RES_MAX, LV_HOR_RES_MAX * 3, NULL, NULL);
|
|
if (pixbuf == NULL)
|
|
{
|
|
fprintf(stderr, "Creating pixbuf failed\n");
|
|
return;
|
|
}
|
|
|
|
pthread_t thread;
|
|
pthread_create(&thread, NULL, gtkdrv_handler, NULL);
|
|
}
|
|
|
|
|
|
/*Set in lv_conf.h as `LV_TICK_CUSTOM_SYS_TIME_EXPR`*/
|
|
uint32_t gtkdrv_tick_get(void)
|
|
{
|
|
static uint64_t start_ms = 0;
|
|
if(start_ms == 0) {
|
|
struct timeval tv_start;
|
|
gettimeofday(&tv_start, NULL);
|
|
start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec) / 1000;
|
|
}
|
|
|
|
struct timeval tv_now;
|
|
gettimeofday(&tv_now, NULL);
|
|
uint64_t now_ms;
|
|
now_ms = (tv_now.tv_sec * 1000000 + tv_now.tv_usec) / 1000;
|
|
|
|
uint32_t time_ms = now_ms - start_ms;
|
|
|
|
return time_ms;
|
|
}
|
|
|
|
|
|
/**
|
|
* Flush a buffer to the marked area
|
|
* @param disp_drv pointer to driver where this function belongs
|
|
* @param area an area where to copy `color_p`
|
|
* @param color_p an array of pixels to copy to the `area` part of the screen
|
|
*/
|
|
void gtkdrv_flush_cb(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p)
|
|
{
|
|
lv_coord_t hres = disp_drv->rotated == 0 ? disp_drv->hor_res : disp_drv->ver_res;
|
|
lv_coord_t vres = disp_drv->rotated == 0 ? disp_drv->ver_res : disp_drv->hor_res;
|
|
|
|
|
|
/*Return if the area is out the screen*/
|
|
if(area->x2 < 0 || area->y2 < 0 || area->x1 > hres - 1 || area->y1 > vres - 1) {
|
|
|
|
lv_disp_flush_ready(disp_drv);
|
|
return;
|
|
}
|
|
|
|
int32_t y;
|
|
int32_t x;
|
|
int32_t p;
|
|
for(y = area->y1; y <= area->y2 && y < disp_drv->ver_res; y++) {
|
|
p = (y * disp_drv->hor_res + area->x1) * 3;
|
|
for(x = area->x1; x <= area->x2 && x < disp_drv->hor_res; x++) {
|
|
fb[p] = color_p->ch.red;
|
|
fb[p + 1] = color_p->ch.green;
|
|
fb[p + 2] = color_p->ch.blue;
|
|
|
|
p += 3;
|
|
color_p ++;
|
|
}
|
|
}
|
|
|
|
/*IMPORTANT! It must be called to tell the system the flush is ready*/
|
|
lv_disp_flush_ready(disp_drv);
|
|
}
|
|
|
|
|
|
void gtkdrv_mouse_read_cb(lv_indev_drv_t * drv, lv_indev_data_t * data)
|
|
{
|
|
data->point.x = mouse_x;
|
|
data->point.y = mouse_y;
|
|
data->state = mouse_btn;
|
|
}
|
|
|
|
|
|
void gtkdrv_keyboard_read_cb(lv_indev_drv_t * drv, lv_indev_data_t * data)
|
|
{
|
|
data->key = last_key;
|
|
data->state = last_key_state;
|
|
}
|
|
|
|
|
|
|
|
|
|
/**********************
|
|
* STATIC FUNCTIONS
|
|
**********************/
|
|
|
|
static void gtkdrv_handler(void * p)
|
|
{
|
|
while(1) {
|
|
gtk_image_set_from_pixbuf(GTK_IMAGE(output_image), pixbuf); // Test code
|
|
|
|
/* Real code should: call gdk_pixbuf_new_from_data () with pointer to frame buffer
|
|
generated by LVGL. See
|
|
https://developer.gnome.org/gdk-pixbuf/2.36/gdk-pixbuf-Image-Data-in-Memory.html
|
|
*/
|
|
|
|
gtk_main_iteration_do(FALSE);
|
|
/* Explicitly calling each iteration of the GTK main loop allows LVGL to sync frame
|
|
buffer updates with GTK. It is perhaps also possible to just call gtk_main(), but not
|
|
sure how sync will work then
|
|
*/
|
|
usleep(1*1000);
|
|
}
|
|
}
|
|
|
|
static gboolean mouse_pressed(GtkWidget *widget, GdkEventButton *event,
|
|
gpointer user_data)
|
|
{
|
|
mouse_btn = LV_INDEV_STATE_PR;
|
|
// Important, if this function returns TRUE the window cannot be moved around inside the browser
|
|
// when using broadway
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
static gboolean mouse_released(GtkWidget *widget, GdkEventButton *event,
|
|
gpointer user_data)
|
|
{
|
|
mouse_btn = LV_INDEV_STATE_REL;
|
|
// Important, if this function returns TRUE the window cannot be moved around inside the browser
|
|
// when using broadway
|
|
return FALSE;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
static gboolean mouse_motion(GtkWidget *widget, GdkEventMotion *event,
|
|
gpointer user_data)
|
|
{
|
|
mouse_x = event->x;
|
|
mouse_y = event->y;
|
|
// Important, if this function returns TRUE the window cannot be moved around inside the browser
|
|
// when using broadway
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
static gboolean keyboard_press(GtkWidget *widget, GdkEventKey *event,
|
|
gpointer user_data)
|
|
{
|
|
|
|
uint32_t ascii_key = event->keyval;
|
|
/*Remap some key to LV_KEY_... to manage groups*/
|
|
switch(event->keyval) {
|
|
case GDK_KEY_rightarrow:
|
|
case GDK_KEY_Right:
|
|
ascii_key = LV_KEY_RIGHT;
|
|
break;
|
|
|
|
case GDK_KEY_leftarrow:
|
|
case GDK_KEY_Left:
|
|
ascii_key = LV_KEY_LEFT;
|
|
break;
|
|
|
|
case GDK_KEY_uparrow:
|
|
case GDK_KEY_Up:
|
|
ascii_key = LV_KEY_UP;
|
|
break;
|
|
|
|
case GDK_KEY_downarrow:
|
|
case GDK_KEY_Down:
|
|
ascii_key = LV_KEY_DOWN;
|
|
break;
|
|
|
|
case GDK_KEY_Escape:
|
|
ascii_key = LV_KEY_ESC;
|
|
break;
|
|
|
|
case GDK_KEY_BackSpace:
|
|
ascii_key = LV_KEY_BACKSPACE;
|
|
break;
|
|
|
|
case GDK_KEY_Delete:
|
|
ascii_key = LV_KEY_DEL;
|
|
break;
|
|
|
|
case GDK_KEY_Tab:
|
|
ascii_key = LV_KEY_NEXT;
|
|
break;
|
|
|
|
case GDK_KEY_KP_Enter:
|
|
case GDK_KEY_Return:
|
|
case '\r':
|
|
ascii_key = LV_KEY_ENTER;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
|
|
}
|
|
|
|
last_key = ascii_key;
|
|
last_key_state = LV_INDEV_STATE_PR;
|
|
// For other codes refer to https://developer.gnome.org/gdk3/stable/gdk3-Event-Structures.html#GdkEventKey
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean keyboard_release(GtkWidget *widget, GdkEventKey *event,
|
|
gpointer user_data)
|
|
{
|
|
last_key = 0;
|
|
last_key_state = LV_INDEV_STATE_REL;
|
|
// For other codes refer to https://developer.gnome.org/gdk3/stable/gdk3-Event-Structures.html#GdkEventKey
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void quit_handler(void)
|
|
{
|
|
exit(0);
|
|
run_gtk = FALSE;
|
|
}
|
|
#endif /*USE_GTK*/
|
|
|