Clean up the plat and ui API

Remove functions no longer defined or used on any plat/UI
Remove the old non-multi-monitor-aware plat_resize() and rename
plat_resize_monitor() to plat_resize()

src/include/86box/plat.h

@@ -113,7 +113,6 @@ extern int hide_status_bar;
 extern int hide_tool_bar;
 
 /* System-related functions. */
-extern char    *fix_exe_path(char *str);
 extern FILE    *plat_fopen(const char *path, const char *mode);
 extern FILE    *plat_fopen64(const char *path, const char *mode);
 extern void     plat_remove(char *path);
@@ -129,29 +128,19 @@ extern void    *plat_mmap(size_t size, uint8_t executable);
 extern void     plat_munmap(void *ptr, size_t size);
 extern uint64_t plat_timer_read(void);
 extern uint32_t plat_get_ticks(void);
-extern uint32_t plat_get_micro_ticks(void);
 extern void     plat_delay_ms(uint32_t count);
 extern void     plat_pause(int p);
 extern void     plat_mouse_capture(int on);
 extern int      plat_vidapi(char *name);
 extern char    *plat_vidapi_name(int api);
-extern int      plat_setvid(int api);
+extern void     plat_resize(int x, int y, int monitor_index);
-extern void     plat_vidsize(int x, int y);
-extern void     plat_setfullscreen(int on);
-extern void     plat_resize_monitor(int x, int y, int monitor_index);
 extern void     plat_resize_request(int x, int y, int monitor_index);
-extern void     plat_resize(int x, int y);
-extern void     plat_vidapi_enable(int enabled);
-extern void     plat_vidapi_reload(void);
-extern void     plat_vid_reload_options(void);
 extern uint32_t plat_language_code(char *langcode);
 extern void     plat_language_code_r(uint32_t lcid, char *outbuf, int len);
 extern void     plat_get_cpu_string(char *outbuf, uint8_t len);
-extern double   plat_get_dpi(void);
 extern void     plat_set_thread_name(void *thread, const char *name);
 
 /* Resource management. */
-extern void     set_language(uint32_t id);
 extern wchar_t *plat_get_string(int id);
 
 /* Emulator start/stop support functions. */
@@ -183,17 +172,11 @@ extern void ioctl_close(uint8_t id);
 /* Other stuff. */
 extern void startblit(void);
 extern void endblit(void);
-extern void take_screenshot(void);
 
 /* Conversion between UTF-8 and UTF-16. */
 extern size_t mbstoc16s(uint16_t dst[], const char src[], int len);
 extern size_t c16stombs(char dst[], const uint16_t src[], int len);
 
-#ifdef MTR_ENABLED
-extern void init_trace(void);
-extern void shutdown_trace(void);
-#endif
-
 #ifdef __cplusplus
 }
 #endif

src/include/86box/ui.h

@@ -42,9 +42,6 @@ extern "C" {
 
 extern int ui_msgbox(int flags, void *message);
 extern int ui_msgbox_header(int flags, void *header, void *message);
-extern int ui_msgbox_ex(int flags, void *header, void *message, void *btn1, void *btn2, void *btn3);
-
-extern void ui_check_menu_item(int id, int checked);
 
 /* Status Bar functions. */
 #define SB_ICON_WIDTH 24
@@ -60,16 +57,13 @@ extern void ui_check_menu_item(int id, int checked);
 #define SB_TEXT       0x90
 
 extern wchar_t *ui_window_title(wchar_t *s);
-extern void     ui_status_update(void);
 extern void     ui_hard_reset_completed(void);
 extern void     ui_init_monitor(int monitor_index);
 extern void     ui_deinit_monitor(int monitor_index);
-extern int      ui_sb_find_part(int tag);
 extern void     ui_sb_set_ready(int ready);
 extern void     ui_sb_update_panes(void);
 extern void     ui_sb_update_text(void);
 extern void     ui_sb_update_tip(int meaning);
-extern void     ui_sb_timer_callback(int pane);
 extern void     ui_sb_update_icon(int tag, int active);
 extern void     ui_sb_update_icon_state(int tag, int state);
 extern void     ui_sb_set_text_w(wchar_t *wstr);

src/qt/qt_platform.cpp

@@ -149,6 +149,11 @@ strnicmp(const char *s1, const char *s2, size_t n)
 #endif
 }
 
+void
+do_start(void)
+{
+}
+
 void
 do_stop(void)
 {
@@ -425,12 +430,6 @@ plat_power_off(void)
     QTimer::singleShot(0, (const QWidget *) main_window, &QMainWindow::close);
 }
 
-void
-set_language(uint32_t id)
-{
-    lang_id = id;
-}
-
 extern "C++" {
 QMap<uint32_t, QPair<QString, QString>> ProgSettings::lcid_langcode = {
     { 0x0403, { "ca-ES", "Catalan (Spain)" }         },
@@ -741,12 +740,6 @@ plat_get_cpu_string(char *outbuf, uint8_t len) {
 
 }
 
-double
-plat_get_dpi(void)
-{
-    return util::screenOfWidget(main_window)->devicePixelRatio();
-}
-
 void
 plat_set_thread_name(void *thread, const char *name)
 {

src/qt/qt_ui.cpp

@@ -95,14 +95,14 @@ plat_resize_request(int w, int h, int monitor_index)
     if (video_fullscreen || is_quit)
         return;
     if (vid_resize & 2) {
-        plat_resize_monitor(fixed_size_x, fixed_size_y, monitor_index);
+        plat_resize(fixed_size_x, fixed_size_y, monitor_index);
     } else {
-        plat_resize_monitor(w, h, monitor_index);
+        plat_resize(w, h, monitor_index);
     }
 }
 
 void
-plat_resize_monitor(int w, int h, int monitor_index)
+plat_resize(int w, int h, int monitor_index)
 {
     if (monitor_index >= 1)
         main_window->resizeContentsMonitor(w, h, monitor_index);
@@ -110,12 +110,6 @@ plat_resize_monitor(int w, int h, int monitor_index)
         main_window->resizeContents(w, h);
 }
 
-void
-plat_setfullscreen(int on)
-{
-    main_window->setFullscreen(on > 0 ? true : false);
-}
-
 void
 plat_mouse_capture(int on)
 {

src/unix/unix.c

@@ -448,12 +448,6 @@ plat_get_ticks(void)
     return (uint32_t) (plat_get_ticks_common() / 1000);
 }
 
-uint32_t
-plat_get_micro_ticks(void)
-{
-    return (uint32_t) plat_get_ticks_common();
-}
-
 void
 plat_remove(char *path)
 {
@@ -578,9 +572,9 @@ main_thread(void *param)
         /* If needed, handle a screen resize. */
         if (atomic_load(&doresize_monitors[0]) && !video_fullscreen && !is_quit) {
             if (vid_resize & 2)
-                plat_resize(fixed_size_x, fixed_size_y);
+                plat_resize(fixed_size_x, fixed_size_y, 0);
             else
-                plat_resize(scrnsz_x, scrnsz_y);
+                plat_resize(scrnsz_x, scrnsz_y, 0);
             atomic_store(&doresize_monitors[0], 1);
         }
     }
@@ -1358,12 +1352,6 @@ plat_vidapi_name(int i)
     return "default";
 }
 
-void
-set_language(uint32_t id)
-{
-    lang_id = id;
-}
-
 /* Sets up the program language before initialization. */
 uint32_t
 plat_language_code(char *langcode)

src/unix/unix_sdl.c

@@ -424,9 +424,9 @@ sdl_init_common(int flags)
     sdl_set_fs(video_fullscreen);
     if (!(video_fullscreen & 1)) {
         if (vid_resize & 2)
-            plat_resize(fixed_size_x, fixed_size_y);
+            plat_resize(fixed_size_x, fixed_size_y, 0);
         else
-            plat_resize(scrnsz_x, scrnsz_y);
+            plat_resize(scrnsz_x, scrnsz_y, 0);
     }
     if ((vid_resize < 2) && window_remember) {
         SDL_SetWindowSize(sdl_win, window_w, window_h);
@@ -479,7 +479,7 @@ plat_mouse_capture(int on)
 }
 
 void
-plat_resize(int w, int h)
+plat_resize(int w, int h, UNUSED(int monitor_index))
 {
     SDL_LockMutex(sdl_mutex);
     resize_w       = w;