iOS: Working on touch event handling

Handle finger down, motion, and up events to implement basic taps, long presses, and inertia scrolling.

Much finetuning still to be done, and certain widgets like input fields and scrollbars need a direct drag mode (they were working fine via the "mouse" events already).

1 files changed, 5 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ccdb1cc1..216ccfc0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,6 +150,8 @@ set (SOURCES
     src/ui/sidebarwidget.h
     src/ui/text.c
     src/ui/text.h
+    src/ui/touch.c
+    src/ui/touch.h
     src/ui/util.c
     src/ui/util.h
     src/ui/visbuf.c
@@ -230,6 +232,9 @@ target_link_libraries (app PUBLIC ${SDL2_LDFLAGS})
 if (APPLE)
     if (IOS)
         target_link_libraries (app PUBLIC "-framework UIKit")
+        set_target_properties (app PROPERTIES
+            XCODE_ATTRIBUTE_TARGETED_DEVICE_FAMILY 2
+        )
     else ()
         target_link_libraries (app PUBLIC "-framework AppKit")
     endif ()