scrcpy/app/src/screen.h
Romain Vimont 4fb61ac83d Fix screen comments
The position fields accept SC_WINDOW_POSITION_UNDEFINED, not the size
fields.

PR #2947 <https://github.com/Genymobile/scrcpy/pull/2947>
2022-01-21 18:42:39 +01:00

155 lines
4.3 KiB
C

#ifndef SCREEN_H
#define SCREEN_H
#include "common.h"
#include <stdbool.h>
#include <SDL2/SDL.h>
#include <libavformat/avformat.h>
#include "controller.h"
#include "coords.h"
#include "fps_counter.h"
#include "input_manager.h"
#include "opengl.h"
#include "trait/key_processor.h"
#include "trait/frame_sink.h"
#include "trait/mouse_processor.h"
#include "video_buffer.h"
struct sc_screen {
struct sc_frame_sink frame_sink; // frame sink trait
#ifndef NDEBUG
bool open; // track the open/close state to assert correct behavior
#endif
struct sc_input_manager im;
struct sc_video_buffer vb;
struct fps_counter fps_counter;
SDL_Window *window;
SDL_Renderer *renderer;
SDL_Texture *texture;
struct sc_opengl gl;
struct sc_size frame_size;
struct sc_size content_size; // rotated frame_size
bool resize_pending; // resize requested while fullscreen or maximized
// The content size the last time the window was not maximized or
// fullscreen (meaningful only when resize_pending is true)
struct sc_size windowed_content_size;
// client rotation: 0, 1, 2 or 3 (x90 degrees counterclockwise)
unsigned rotation;
// rectangle of the content (excluding black borders)
struct SDL_Rect rect;
bool has_frame;
bool fullscreen;
bool maximized;
bool mipmaps;
bool event_failed; // in case SDL_PushEvent() returned an error
bool mouse_captured; // only relevant in relative mouse mode
// To enable/disable mouse capture, a mouse capture key (LALT, LGUI or
// RGUI) must be pressed. This variable tracks the pressed capture key.
SDL_Keycode mouse_capture_key_pressed;
AVFrame *frame;
};
struct sc_screen_params {
struct sc_controller *controller;
struct sc_key_processor *kp;
struct sc_mouse_processor *mp;
bool control;
bool forward_all_clicks;
bool legacy_paste;
bool clipboard_autosync;
const struct sc_shortcut_mods *shortcut_mods;
const char *window_title;
struct sc_size frame_size;
bool always_on_top;
int16_t window_x; // accepts SC_WINDOW_POSITION_UNDEFINED
int16_t window_y; // accepts SC_WINDOW_POSITION_UNDEFINED
uint16_t window_width;
uint16_t window_height;
bool window_borderless;
uint8_t rotation;
bool mipmaps;
bool fullscreen;
sc_tick buffering_time;
};
// initialize screen, create window, renderer and texture (window is hidden)
bool
sc_screen_init(struct sc_screen *screen, const struct sc_screen_params *params);
// request to interrupt any inner thread
// must be called before screen_join()
void
sc_screen_interrupt(struct sc_screen *screen);
// join any inner thread
void
sc_screen_join(struct sc_screen *screen);
// destroy window, renderer and texture (if any)
void
sc_screen_destroy(struct sc_screen *screen);
// hide the window
//
// It is used to hide the window immediately on closing without waiting for
// screen_destroy()
void
sc_screen_hide_window(struct sc_screen *screen);
// switch the fullscreen mode
void
sc_screen_switch_fullscreen(struct sc_screen *screen);
// resize window to optimal size (remove black borders)
void
sc_screen_resize_to_fit(struct sc_screen *screen);
// resize window to 1:1 (pixel-perfect)
void
sc_screen_resize_to_pixel_perfect(struct sc_screen *screen);
// set the display rotation (0, 1, 2 or 3, x90 degrees counterclockwise)
void
sc_screen_set_rotation(struct sc_screen *screen, unsigned rotation);
// react to SDL events
bool
sc_screen_handle_event(struct sc_screen *screen, SDL_Event *event);
// convert point from window coordinates to frame coordinates
// x and y are expressed in pixels
struct sc_point
sc_screen_convert_window_to_frame_coords(struct sc_screen *screen,
int32_t x, int32_t y);
// convert point from drawable coordinates to frame coordinates
// x and y are expressed in pixels
struct sc_point
sc_screen_convert_drawable_to_frame_coords(struct sc_screen *screen,
int32_t x, int32_t y);
// Convert coordinates from window to drawable.
// Events are expressed in window coordinates, but content is expressed in
// drawable coordinates. They are the same if HiDPI scaling is 1, but differ
// otherwise.
void
sc_screen_hidpi_scale_coords(struct sc_screen *screen, int32_t *x, int32_t *y);
#endif