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916 lines
29 KiB
C
916 lines
29 KiB
C
#include "input_manager.h"
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#include <assert.h>
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#include <SDL2/SDL_keycode.h>
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#include "input_events.h"
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#include "screen.h"
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#include "util/log.h"
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#define SC_SDL_SHORTCUT_MODS_MASK (KMOD_CTRL | KMOD_ALT | KMOD_GUI)
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static inline uint16_t
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to_sdl_mod(unsigned shortcut_mod) {
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uint16_t sdl_mod = 0;
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if (shortcut_mod & SC_SHORTCUT_MOD_LCTRL) {
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sdl_mod |= KMOD_LCTRL;
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}
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if (shortcut_mod & SC_SHORTCUT_MOD_RCTRL) {
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sdl_mod |= KMOD_RCTRL;
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}
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if (shortcut_mod & SC_SHORTCUT_MOD_LALT) {
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sdl_mod |= KMOD_LALT;
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}
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if (shortcut_mod & SC_SHORTCUT_MOD_RALT) {
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sdl_mod |= KMOD_RALT;
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}
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if (shortcut_mod & SC_SHORTCUT_MOD_LSUPER) {
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sdl_mod |= KMOD_LGUI;
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}
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if (shortcut_mod & SC_SHORTCUT_MOD_RSUPER) {
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sdl_mod |= KMOD_RGUI;
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}
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return sdl_mod;
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}
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static bool
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is_shortcut_mod(struct sc_input_manager *im, uint16_t sdl_mod) {
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// keep only the relevant modifier keys
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sdl_mod &= SC_SDL_SHORTCUT_MODS_MASK;
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assert(im->sdl_shortcut_mods.count);
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assert(im->sdl_shortcut_mods.count < SC_MAX_SHORTCUT_MODS);
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for (unsigned i = 0; i < im->sdl_shortcut_mods.count; ++i) {
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if (im->sdl_shortcut_mods.data[i] == sdl_mod) {
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return true;
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}
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}
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return false;
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}
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void
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sc_input_manager_init(struct sc_input_manager *im,
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const struct sc_input_manager_params *params) {
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// A key/mouse processor may not be present if there is no controller
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assert((!params->kp && !params->mp) || params->controller);
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// A processor must have ops initialized
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assert(!params->kp || params->kp->ops);
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assert(!params->mp || params->mp->ops);
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im->controller = params->controller;
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im->fp = params->fp;
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im->screen = params->screen;
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im->kp = params->kp;
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im->mp = params->mp;
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im->forward_all_clicks = params->forward_all_clicks;
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im->legacy_paste = params->legacy_paste;
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im->clipboard_autosync = params->clipboard_autosync;
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const struct sc_shortcut_mods *shortcut_mods = params->shortcut_mods;
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assert(shortcut_mods->count);
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assert(shortcut_mods->count < SC_MAX_SHORTCUT_MODS);
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for (unsigned i = 0; i < shortcut_mods->count; ++i) {
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uint16_t sdl_mod = to_sdl_mod(shortcut_mods->data[i]);
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assert(sdl_mod);
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im->sdl_shortcut_mods.data[i] = sdl_mod;
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}
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im->sdl_shortcut_mods.count = shortcut_mods->count;
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im->vfinger_down = false;
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im->vfinger_invert_x = false;
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im->vfinger_invert_y = false;
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im->last_keycode = SDLK_UNKNOWN;
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im->last_mod = 0;
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im->key_repeat = 0;
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im->next_sequence = 1; // 0 is reserved for SC_SEQUENCE_INVALID
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}
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static void
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send_keycode(struct sc_input_manager *im, enum android_keycode keycode,
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enum sc_action action, const char *name) {
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assert(im->controller && im->kp);
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// send DOWN event
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_INJECT_KEYCODE;
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msg.inject_keycode.action = action == SC_ACTION_DOWN
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? AKEY_EVENT_ACTION_DOWN
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: AKEY_EVENT_ACTION_UP;
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msg.inject_keycode.keycode = keycode;
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msg.inject_keycode.metastate = 0;
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msg.inject_keycode.repeat = 0;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'inject %s'", name);
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}
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}
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static inline void
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action_home(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_HOME, action, "HOME");
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}
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static inline void
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action_back(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_BACK, action, "BACK");
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}
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static inline void
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action_app_switch(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_APP_SWITCH, action, "APP_SWITCH");
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}
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static inline void
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action_power(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_POWER, action, "POWER");
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}
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static inline void
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action_volume_up(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_VOLUME_UP, action, "VOLUME_UP");
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}
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static inline void
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action_volume_down(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_VOLUME_DOWN, action, "VOLUME_DOWN");
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}
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static inline void
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action_menu(struct sc_input_manager *im, enum sc_action action) {
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send_keycode(im, AKEYCODE_MENU, action, "MENU");
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}
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// turn the screen on if it was off, press BACK otherwise
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// If the screen is off, it is turned on only on ACTION_DOWN
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static void
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press_back_or_turn_screen_on(struct sc_input_manager *im,
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enum sc_action action) {
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assert(im->controller && im->kp);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON;
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msg.back_or_screen_on.action = action == SC_ACTION_DOWN
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? AKEY_EVENT_ACTION_DOWN
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: AKEY_EVENT_ACTION_UP;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'press back or turn screen on'");
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}
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}
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static void
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expand_notification_panel(struct sc_input_manager *im) {
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assert(im->controller);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'expand notification panel'");
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}
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}
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static void
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expand_settings_panel(struct sc_input_manager *im) {
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assert(im->controller);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'expand settings panel'");
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}
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}
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static void
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collapse_panels(struct sc_input_manager *im) {
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assert(im->controller);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_COLLAPSE_PANELS;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'collapse notification panel'");
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}
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}
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static bool
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get_device_clipboard(struct sc_input_manager *im, enum sc_copy_key copy_key) {
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assert(im->controller && im->kp);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_GET_CLIPBOARD;
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msg.get_clipboard.copy_key = copy_key;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'get device clipboard'");
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return false;
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}
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return true;
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}
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static bool
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set_device_clipboard(struct sc_input_manager *im, bool paste,
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uint64_t sequence) {
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assert(im->controller && im->kp);
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char *text = SDL_GetClipboardText();
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if (!text) {
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LOGW("Could not get clipboard text: %s", SDL_GetError());
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return false;
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}
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char *text_dup = strdup(text);
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SDL_free(text);
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if (!text_dup) {
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LOGW("Could not strdup input text");
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return false;
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}
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_SET_CLIPBOARD;
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msg.set_clipboard.sequence = sequence;
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msg.set_clipboard.text = text_dup;
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msg.set_clipboard.paste = paste;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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free(text_dup);
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LOGW("Could not request 'set device clipboard'");
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return false;
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}
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return true;
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}
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static void
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set_screen_power_mode(struct sc_input_manager *im,
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enum sc_screen_power_mode mode) {
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assert(im->controller);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_SET_SCREEN_POWER_MODE;
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msg.set_screen_power_mode.mode = mode;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'set screen power mode'");
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}
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}
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static void
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switch_fps_counter_state(struct sc_input_manager *im) {
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struct sc_fps_counter *fps_counter = &im->screen->fps_counter;
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// the started state can only be written from the current thread, so there
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// is no ToCToU issue
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if (sc_fps_counter_is_started(fps_counter)) {
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sc_fps_counter_stop(fps_counter);
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} else {
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sc_fps_counter_start(fps_counter);
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// Any error is already logged
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}
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}
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static void
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clipboard_paste(struct sc_input_manager *im) {
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assert(im->controller && im->kp);
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char *text = SDL_GetClipboardText();
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if (!text) {
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LOGW("Could not get clipboard text: %s", SDL_GetError());
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return;
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}
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if (!*text) {
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// empty text
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SDL_free(text);
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return;
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}
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char *text_dup = strdup(text);
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SDL_free(text);
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if (!text_dup) {
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LOGW("Could not strdup input text");
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return;
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}
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_INJECT_TEXT;
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msg.inject_text.text = text_dup;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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free(text_dup);
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LOGW("Could not request 'paste clipboard'");
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}
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}
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static void
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rotate_device(struct sc_input_manager *im) {
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assert(im->controller);
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_ROTATE_DEVICE;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request device rotation");
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}
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}
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static void
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apply_orientation_transform(struct sc_input_manager *im,
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enum sc_orientation transform) {
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struct sc_screen *screen = im->screen;
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enum sc_orientation new_orientation =
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sc_orientation_apply(screen->orientation, transform);
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sc_screen_set_orientation(screen, new_orientation);
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}
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static void
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sc_input_manager_process_text_input(struct sc_input_manager *im,
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const SDL_TextInputEvent *event) {
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if (!im->kp->ops->process_text) {
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// The key processor does not support text input
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return;
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}
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if (is_shortcut_mod(im, SDL_GetModState())) {
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// A shortcut must never generate text events
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return;
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}
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struct sc_text_event evt = {
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.text = event->text,
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};
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im->kp->ops->process_text(im->kp, &evt);
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}
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static bool
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simulate_virtual_finger(struct sc_input_manager *im,
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enum android_motionevent_action action,
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struct sc_point point) {
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bool up = action == AMOTION_EVENT_ACTION_UP;
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struct sc_control_msg msg;
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msg.type = SC_CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
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msg.inject_touch_event.action = action;
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msg.inject_touch_event.position.screen_size = im->screen->frame_size;
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msg.inject_touch_event.position.point = point;
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msg.inject_touch_event.pointer_id =
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im->forward_all_clicks ? POINTER_ID_VIRTUAL_MOUSE
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: POINTER_ID_VIRTUAL_FINGER;
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msg.inject_touch_event.pressure = up ? 0.0f : 1.0f;
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msg.inject_touch_event.action_button = 0;
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msg.inject_touch_event.buttons = 0;
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if (!sc_controller_push_msg(im->controller, &msg)) {
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LOGW("Could not request 'inject virtual finger event'");
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return false;
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}
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return true;
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}
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static struct sc_point
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inverse_point(struct sc_point point, struct sc_size size,
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bool invert_x, bool invert_y) {
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if (invert_x) {
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point.x = size.width - point.x;
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}
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if (invert_y) {
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point.y = size.height - point.y;
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}
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return point;
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}
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static void
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sc_input_manager_process_key(struct sc_input_manager *im,
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const SDL_KeyboardEvent *event) {
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// controller is NULL if --no-control is requested
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bool control = im->controller;
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SDL_Keycode keycode = event->keysym.sym;
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uint16_t mod = event->keysym.mod;
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bool down = event->type == SDL_KEYDOWN;
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bool ctrl = event->keysym.mod & KMOD_CTRL;
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bool shift = event->keysym.mod & KMOD_SHIFT;
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bool repeat = event->repeat;
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bool smod = is_shortcut_mod(im, mod);
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if (down && !repeat) {
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if (keycode == im->last_keycode && mod == im->last_mod) {
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++im->key_repeat;
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} else {
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im->key_repeat = 0;
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im->last_keycode = keycode;
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im->last_mod = mod;
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}
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}
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// The shortcut modifier is pressed
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if (smod) {
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enum sc_action action = down ? SC_ACTION_DOWN : SC_ACTION_UP;
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switch (keycode) {
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case SDLK_h:
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if (im->kp && !shift && !repeat) {
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action_home(im, action);
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}
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return;
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case SDLK_b: // fall-through
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case SDLK_BACKSPACE:
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if (im->kp && !shift && !repeat) {
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action_back(im, action);
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}
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return;
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case SDLK_s:
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if (im->kp && !shift && !repeat) {
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action_app_switch(im, action);
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}
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return;
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case SDLK_m:
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if (im->kp && !shift && !repeat) {
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action_menu(im, action);
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}
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return;
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case SDLK_p:
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if (im->kp && !shift && !repeat) {
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action_power(im, action);
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}
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return;
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case SDLK_o:
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if (control && !repeat && down) {
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enum sc_screen_power_mode mode = shift
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? SC_SCREEN_POWER_MODE_NORMAL
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: SC_SCREEN_POWER_MODE_OFF;
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set_screen_power_mode(im, mode);
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}
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return;
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case SDLK_DOWN:
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if (shift) {
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if (!repeat & down) {
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apply_orientation_transform(im,
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SC_ORIENTATION_FLIP_180);
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}
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} else if (im->kp) {
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// forward repeated events
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action_volume_down(im, action);
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}
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return;
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case SDLK_UP:
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if (shift) {
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if (!repeat & down) {
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apply_orientation_transform(im,
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SC_ORIENTATION_FLIP_180);
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}
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} else if (im->kp) {
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// forward repeated events
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action_volume_up(im, action);
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}
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return;
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case SDLK_LEFT:
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if (!repeat && down) {
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if (shift) {
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apply_orientation_transform(im,
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SC_ORIENTATION_FLIP_0);
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} else {
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apply_orientation_transform(im,
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SC_ORIENTATION_270);
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}
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}
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return;
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case SDLK_RIGHT:
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if (!repeat && down) {
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if (shift) {
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apply_orientation_transform(im,
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SC_ORIENTATION_FLIP_0);
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} else {
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apply_orientation_transform(im,
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SC_ORIENTATION_90);
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}
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}
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return;
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case SDLK_c:
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if (im->kp && !shift && !repeat && down) {
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get_device_clipboard(im, SC_COPY_KEY_COPY);
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}
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return;
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case SDLK_x:
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if (im->kp && !shift && !repeat && down) {
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get_device_clipboard(im, SC_COPY_KEY_CUT);
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}
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return;
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case SDLK_v:
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if (im->kp && !repeat && down) {
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if (shift || im->legacy_paste) {
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// inject the text as input events
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clipboard_paste(im);
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} else {
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// store the text in the device clipboard and paste,
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// without requesting an acknowledgment
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set_device_clipboard(im, true, SC_SEQUENCE_INVALID);
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}
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}
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return;
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case SDLK_f:
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if (!shift && !repeat && down) {
|
|
sc_screen_switch_fullscreen(im->screen);
|
|
}
|
|
return;
|
|
case SDLK_w:
|
|
if (!shift && !repeat && down) {
|
|
sc_screen_resize_to_fit(im->screen);
|
|
}
|
|
return;
|
|
case SDLK_g:
|
|
if (!shift && !repeat && down) {
|
|
sc_screen_resize_to_pixel_perfect(im->screen);
|
|
}
|
|
return;
|
|
case SDLK_i:
|
|
if (!shift && !repeat && down) {
|
|
switch_fps_counter_state(im);
|
|
}
|
|
return;
|
|
case SDLK_n:
|
|
if (control && !repeat && down) {
|
|
if (shift) {
|
|
collapse_panels(im);
|
|
} else if (im->key_repeat == 0) {
|
|
expand_notification_panel(im);
|
|
} else {
|
|
expand_settings_panel(im);
|
|
}
|
|
}
|
|
return;
|
|
case SDLK_r:
|
|
if (control && !shift && !repeat && down) {
|
|
rotate_device(im);
|
|
}
|
|
return;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!im->kp) {
|
|
return;
|
|
}
|
|
|
|
uint64_t ack_to_wait = SC_SEQUENCE_INVALID;
|
|
bool is_ctrl_v = ctrl && !shift && keycode == SDLK_v && down && !repeat;
|
|
if (im->clipboard_autosync && is_ctrl_v) {
|
|
if (im->legacy_paste) {
|
|
// inject the text as input events
|
|
clipboard_paste(im);
|
|
return;
|
|
}
|
|
|
|
// Request an acknowledgement only if necessary
|
|
uint64_t sequence = im->kp->async_paste ? im->next_sequence
|
|
: SC_SEQUENCE_INVALID;
|
|
|
|
// Synchronize the computer clipboard to the device clipboard before
|
|
// sending Ctrl+v, to allow seamless copy-paste.
|
|
bool ok = set_device_clipboard(im, false, sequence);
|
|
if (!ok) {
|
|
LOGW("Clipboard could not be synchronized, Ctrl+v not injected");
|
|
return;
|
|
}
|
|
|
|
if (im->kp->async_paste) {
|
|
// The key processor must wait for this ack before injecting Ctrl+v
|
|
ack_to_wait = sequence;
|
|
// Increment only when the request succeeded
|
|
++im->next_sequence;
|
|
}
|
|
}
|
|
|
|
struct sc_key_event evt = {
|
|
.action = sc_action_from_sdl_keyboard_type(event->type),
|
|
.keycode = sc_keycode_from_sdl(event->keysym.sym),
|
|
.scancode = sc_scancode_from_sdl(event->keysym.scancode),
|
|
.repeat = event->repeat,
|
|
.mods_state = sc_mods_state_from_sdl(event->keysym.mod),
|
|
};
|
|
|
|
assert(im->kp->ops->process_key);
|
|
im->kp->ops->process_key(im->kp, &evt, ack_to_wait);
|
|
}
|
|
|
|
static void
|
|
sc_input_manager_process_mouse_motion(struct sc_input_manager *im,
|
|
const SDL_MouseMotionEvent *event) {
|
|
|
|
if (event->which == SDL_TOUCH_MOUSEID) {
|
|
// simulated from touch events, so it's a duplicate
|
|
return;
|
|
}
|
|
|
|
struct sc_mouse_motion_event evt = {
|
|
.position = {
|
|
.screen_size = im->screen->frame_size,
|
|
.point = sc_screen_convert_window_to_frame_coords(im->screen,
|
|
event->x,
|
|
event->y),
|
|
},
|
|
.pointer_id = im->forward_all_clicks ? POINTER_ID_MOUSE
|
|
: POINTER_ID_GENERIC_FINGER,
|
|
.xrel = event->xrel,
|
|
.yrel = event->yrel,
|
|
.buttons_state =
|
|
sc_mouse_buttons_state_from_sdl(event->state,
|
|
im->forward_all_clicks),
|
|
};
|
|
|
|
assert(im->mp->ops->process_mouse_motion);
|
|
im->mp->ops->process_mouse_motion(im->mp, &evt);
|
|
|
|
// vfinger must never be used in relative mode
|
|
assert(!im->mp->relative_mode || !im->vfinger_down);
|
|
|
|
if (im->vfinger_down) {
|
|
assert(!im->mp->relative_mode); // assert one more time
|
|
struct sc_point mouse =
|
|
sc_screen_convert_window_to_frame_coords(im->screen, event->x,
|
|
event->y);
|
|
struct sc_point vfinger = inverse_point(mouse, im->screen->frame_size,
|
|
im->vfinger_invert_x,
|
|
im->vfinger_invert_y);
|
|
simulate_virtual_finger(im, AMOTION_EVENT_ACTION_MOVE, vfinger);
|
|
}
|
|
}
|
|
|
|
static void
|
|
sc_input_manager_process_touch(struct sc_input_manager *im,
|
|
const SDL_TouchFingerEvent *event) {
|
|
if (!im->mp->ops->process_touch) {
|
|
// The mouse processor does not support touch events
|
|
return;
|
|
}
|
|
|
|
int dw;
|
|
int dh;
|
|
SDL_GL_GetDrawableSize(im->screen->window, &dw, &dh);
|
|
|
|
// SDL touch event coordinates are normalized in the range [0; 1]
|
|
int32_t x = event->x * dw;
|
|
int32_t y = event->y * dh;
|
|
|
|
struct sc_touch_event evt = {
|
|
.position = {
|
|
.screen_size = im->screen->frame_size,
|
|
.point =
|
|
sc_screen_convert_drawable_to_frame_coords(im->screen, x, y),
|
|
},
|
|
.action = sc_touch_action_from_sdl(event->type),
|
|
.pointer_id = event->fingerId,
|
|
.pressure = event->pressure,
|
|
};
|
|
|
|
im->mp->ops->process_touch(im->mp, &evt);
|
|
}
|
|
|
|
static void
|
|
sc_input_manager_process_mouse_button(struct sc_input_manager *im,
|
|
const SDL_MouseButtonEvent *event) {
|
|
bool control = im->controller;
|
|
|
|
if (event->which == SDL_TOUCH_MOUSEID) {
|
|
// simulated from touch events, so it's a duplicate
|
|
return;
|
|
}
|
|
|
|
bool down = event->type == SDL_MOUSEBUTTONDOWN;
|
|
if (!im->forward_all_clicks) {
|
|
if (control) {
|
|
enum sc_action action = down ? SC_ACTION_DOWN : SC_ACTION_UP;
|
|
|
|
if (im->kp && event->button == SDL_BUTTON_X1) {
|
|
action_app_switch(im, action);
|
|
return;
|
|
}
|
|
if (event->button == SDL_BUTTON_X2 && down) {
|
|
if (event->clicks < 2) {
|
|
expand_notification_panel(im);
|
|
} else {
|
|
expand_settings_panel(im);
|
|
}
|
|
return;
|
|
}
|
|
if (im->kp && event->button == SDL_BUTTON_RIGHT) {
|
|
press_back_or_turn_screen_on(im, action);
|
|
return;
|
|
}
|
|
if (im->kp && event->button == SDL_BUTTON_MIDDLE) {
|
|
action_home(im, action);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// double-click on black borders resize to fit the device screen
|
|
if (event->button == SDL_BUTTON_LEFT && event->clicks == 2) {
|
|
int32_t x = event->x;
|
|
int32_t y = event->y;
|
|
sc_screen_hidpi_scale_coords(im->screen, &x, &y);
|
|
SDL_Rect *r = &im->screen->rect;
|
|
bool outside = x < r->x || x >= r->x + r->w
|
|
|| y < r->y || y >= r->y + r->h;
|
|
if (outside) {
|
|
if (down) {
|
|
sc_screen_resize_to_fit(im->screen);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
// otherwise, send the click event to the device
|
|
}
|
|
|
|
if (!im->mp) {
|
|
return;
|
|
}
|
|
|
|
uint32_t sdl_buttons_state = SDL_GetMouseState(NULL, NULL);
|
|
|
|
struct sc_mouse_click_event evt = {
|
|
.position = {
|
|
.screen_size = im->screen->frame_size,
|
|
.point = sc_screen_convert_window_to_frame_coords(im->screen,
|
|
event->x,
|
|
event->y),
|
|
},
|
|
.action = sc_action_from_sdl_mousebutton_type(event->type),
|
|
.button = sc_mouse_button_from_sdl(event->button),
|
|
.pointer_id = im->forward_all_clicks ? POINTER_ID_MOUSE
|
|
: POINTER_ID_GENERIC_FINGER,
|
|
.buttons_state =
|
|
sc_mouse_buttons_state_from_sdl(sdl_buttons_state,
|
|
im->forward_all_clicks),
|
|
};
|
|
|
|
assert(im->mp->ops->process_mouse_click);
|
|
im->mp->ops->process_mouse_click(im->mp, &evt);
|
|
|
|
if (im->mp->relative_mode) {
|
|
assert(!im->vfinger_down); // vfinger must not be used in relative mode
|
|
// No pinch-to-zoom simulation
|
|
return;
|
|
}
|
|
|
|
// Pinch-to-zoom, rotate and tilt simulation.
|
|
//
|
|
// If Ctrl is hold when the left-click button is pressed, then
|
|
// pinch-to-zoom mode is enabled: on every mouse event until the left-click
|
|
// button is released, an additional "virtual finger" event is generated,
|
|
// having a position inverted through the center of the screen.
|
|
//
|
|
// In other words, the center of the rotation/scaling is the center of the
|
|
// screen.
|
|
//
|
|
// To simulate a tilt gesture (a vertical slide with two fingers), Shift
|
|
// can be used instead of Ctrl. The "virtual finger" has a position
|
|
// inverted with respect to the vertical axis of symmetry in the middle of
|
|
// the screen.
|
|
const SDL_Keymod keymod = SDL_GetModState();
|
|
const bool ctrl_pressed = keymod & KMOD_CTRL;
|
|
const bool shift_pressed = keymod & KMOD_SHIFT;
|
|
if (event->button == SDL_BUTTON_LEFT &&
|
|
((down && !im->vfinger_down &&
|
|
((ctrl_pressed && !shift_pressed) ||
|
|
(!ctrl_pressed && shift_pressed))) ||
|
|
(!down && im->vfinger_down))) {
|
|
struct sc_point mouse =
|
|
sc_screen_convert_window_to_frame_coords(im->screen, event->x,
|
|
event->y);
|
|
if (down) {
|
|
im->vfinger_invert_x = ctrl_pressed || shift_pressed;
|
|
im->vfinger_invert_y = ctrl_pressed;
|
|
}
|
|
struct sc_point vfinger = inverse_point(mouse, im->screen->frame_size,
|
|
im->vfinger_invert_x,
|
|
im->vfinger_invert_y);
|
|
enum android_motionevent_action action = down
|
|
? AMOTION_EVENT_ACTION_DOWN
|
|
: AMOTION_EVENT_ACTION_UP;
|
|
if (!simulate_virtual_finger(im, action, vfinger)) {
|
|
return;
|
|
}
|
|
im->vfinger_down = down;
|
|
}
|
|
}
|
|
|
|
static void
|
|
sc_input_manager_process_mouse_wheel(struct sc_input_manager *im,
|
|
const SDL_MouseWheelEvent *event) {
|
|
if (!im->mp->ops->process_mouse_scroll) {
|
|
// The mouse processor does not support scroll events
|
|
return;
|
|
}
|
|
|
|
// mouse_x and mouse_y are expressed in pixels relative to the window
|
|
int mouse_x;
|
|
int mouse_y;
|
|
uint32_t buttons = SDL_GetMouseState(&mouse_x, &mouse_y);
|
|
|
|
struct sc_mouse_scroll_event evt = {
|
|
.position = {
|
|
.screen_size = im->screen->frame_size,
|
|
.point = sc_screen_convert_window_to_frame_coords(im->screen,
|
|
mouse_x, mouse_y),
|
|
},
|
|
#if SDL_VERSION_ATLEAST(2, 0, 18)
|
|
.hscroll = CLAMP(event->preciseX, -1.0f, 1.0f),
|
|
.vscroll = CLAMP(event->preciseY, -1.0f, 1.0f),
|
|
#else
|
|
.hscroll = CLAMP(event->x, -1, 1),
|
|
.vscroll = CLAMP(event->y, -1, 1),
|
|
#endif
|
|
.buttons_state =
|
|
sc_mouse_buttons_state_from_sdl(buttons, im->forward_all_clicks),
|
|
};
|
|
|
|
im->mp->ops->process_mouse_scroll(im->mp, &evt);
|
|
}
|
|
|
|
static bool
|
|
is_apk(const char *file) {
|
|
const char *ext = strrchr(file, '.');
|
|
return ext && !strcmp(ext, ".apk");
|
|
}
|
|
|
|
static void
|
|
sc_input_manager_process_file(struct sc_input_manager *im,
|
|
const SDL_DropEvent *event) {
|
|
char *file = strdup(event->file);
|
|
SDL_free(event->file);
|
|
if (!file) {
|
|
LOG_OOM();
|
|
return;
|
|
}
|
|
|
|
enum sc_file_pusher_action action;
|
|
if (is_apk(file)) {
|
|
action = SC_FILE_PUSHER_ACTION_INSTALL_APK;
|
|
} else {
|
|
action = SC_FILE_PUSHER_ACTION_PUSH_FILE;
|
|
}
|
|
bool ok = sc_file_pusher_request(im->fp, action, file);
|
|
if (!ok) {
|
|
free(file);
|
|
}
|
|
}
|
|
|
|
void
|
|
sc_input_manager_handle_event(struct sc_input_manager *im,
|
|
const SDL_Event *event) {
|
|
bool control = im->controller;
|
|
switch (event->type) {
|
|
case SDL_TEXTINPUT:
|
|
if (!im->kp) {
|
|
break;
|
|
}
|
|
sc_input_manager_process_text_input(im, &event->text);
|
|
break;
|
|
case SDL_KEYDOWN:
|
|
case SDL_KEYUP:
|
|
// some key events do not interact with the device, so process the
|
|
// event even if control is disabled
|
|
sc_input_manager_process_key(im, &event->key);
|
|
break;
|
|
case SDL_MOUSEMOTION:
|
|
if (!im->mp) {
|
|
break;
|
|
}
|
|
sc_input_manager_process_mouse_motion(im, &event->motion);
|
|
break;
|
|
case SDL_MOUSEWHEEL:
|
|
if (!im->mp) {
|
|
break;
|
|
}
|
|
sc_input_manager_process_mouse_wheel(im, &event->wheel);
|
|
break;
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
case SDL_MOUSEBUTTONUP:
|
|
// some mouse events do not interact with the device, so process
|
|
// the event even if control is disabled
|
|
sc_input_manager_process_mouse_button(im, &event->button);
|
|
break;
|
|
case SDL_FINGERMOTION:
|
|
case SDL_FINGERDOWN:
|
|
case SDL_FINGERUP:
|
|
if (!im->mp) {
|
|
break;
|
|
}
|
|
sc_input_manager_process_touch(im, &event->tfinger);
|
|
break;
|
|
case SDL_DROPFILE: {
|
|
if (!control) {
|
|
break;
|
|
}
|
|
sc_input_manager_process_file(im, &event->drop);
|
|
}
|
|
}
|
|
}
|