Mobile: Dealing with keyboard height

The software keyboard obstructs part of the UI, so need to offset the view if the focused input widget would not be visible.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/ui/inputwidget.c b/src/ui/inputwidget.c
index 3f178fc5..06bb9474 100644
--- a/src/ui/inputwidget.c
+++ b/src/ui/inputwidget.c
@@ -21,6 +21,7 @@ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 #include "inputwidget.h"
+#include "command.h"
 #include "paint.h"
 #include "util.h"
 #include "keys.h"
@@ -615,6 +616,17 @@ static iBool processEvent_InputWidget_(iInputWidget *d, const SDL_Event *ev) {
         }
         return iFalse;
     }
+    else if (isCommand_UserEvent(ev, "keyboard.changed")) {
+        if (isFocused_Widget(d) && arg_Command(command_UserEvent(ev))) {
+            iRect rect = bounds_Widget(w);
+            rect.pos.y -= value_Anim(&get_Window()->rootOffset);
+            const iInt2 visRoot = visibleRootSize_Window(get_Window());
+            if (bottom_Rect(rect) > visRoot.y) {
+                setValue_Anim(&get_Window()->rootOffset, -(bottom_Rect(rect) - visRoot.y), 250);
+            }
+        }
+        return iFalse;
+    }
     else if (isMetricsChange_UserEvent(ev)) {
         updateMetrics_InputWidget_(d);
     }