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authoralberth <alberth@openttd.org>2010-05-30 12:15:28 +0000
committeralberth <alberth@openttd.org>2010-05-30 12:15:28 +0000
commitce0e1cbb3f69ab43d8c634c3bb0eb229a09f876d (patch)
tree6cc64cc149afdda21f7de34037f2d12adc69ed2d /src
parent113f3ef0ebafcc637d061e955a162751cf011f8f (diff)
downloadopenttd-ce0e1cbb3f69ab43d8c634c3bb0eb229a09f876d.tar.xz
(svn r19905) -Codechange: Use EventState for mouse handling routines.
Diffstat (limited to 'src')
-rw-r--r--src/viewport.cpp12
-rw-r--r--src/window.cpp78
2 files changed, 52 insertions, 38 deletions
diff --git a/src/viewport.cpp b/src/viewport.cpp
index 171c0b6fc..03b21f409 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -2640,23 +2640,23 @@ calc_heightdiff_single_direction:;
/**
* Handle the mouse while dragging for placement/resizing.
- * @return Boolean whether search for a handler should continue
+ * @return State of handling the event.
*/
-bool VpHandlePlaceSizingDrag()
+EventState VpHandlePlaceSizingDrag()
{
- if (_special_mouse_mode != WSM_SIZING) return true;
+ if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
/* stop drag mode if the window has been closed */
Window *w = FindWindowById(_thd.window_class, _thd.window_number);
if (w == NULL) {
ResetObjectToPlace();
- return false;
+ return ES_HANDLED;
}
/* while dragging execute the drag procedure of the corresponding window (mostly VpSelectTilesWithMethod() ) */
if (_left_button_down) {
w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
- return false;
+ return ES_HANDLED;
}
/* mouse button released..
@@ -2675,7 +2675,7 @@ bool VpHandlePlaceSizingDrag()
w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
- return false;
+ return ES_HANDLED;
}
void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
diff --git a/src/window.cpp b/src/window.cpp
index 85eb02eda..fed8e5e0a 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -1362,10 +1362,13 @@ static void HandlePlacePresize()
w->OnPlacePresize(pt, TileVirtXY(pt.x, pt.y));
}
-static bool HandleDragDrop()
+/** Handle drop in mouse dragging mode (#WSM_DRAGDROP).
+ * @return State of handling the event.
+ */
+static EventState HandleDragDrop()
{
- if (_special_mouse_mode != WSM_DRAGDROP) return true;
- if (_left_button_down) return false;
+ if (_special_mouse_mode != WSM_DRAGDROP) return ES_NOT_HANDLED;
+ if (_left_button_down) return ES_HANDLED;
Window *w = GetCallbackWnd();
@@ -1379,13 +1382,16 @@ static bool HandleDragDrop()
ResetObjectToPlace();
- return false;
+ return ES_HANDLED;
}
-static bool HandleMouseDrag()
+/** Handle dragging in mouse dragging mode (#WSM_DRAGDROP).
+ * @return State of handling the event.
+ */
+static EventState HandleMouseDrag()
{
- if (_special_mouse_mode != WSM_DRAGDROP) return true;
- if (!_left_button_down || (_cursor.delta.x == 0 && _cursor.delta.y == 0)) return true;
+ if (_special_mouse_mode != WSM_DRAGDROP) return ES_NOT_HANDLED;
+ if (!_left_button_down || (_cursor.delta.x == 0 && _cursor.delta.y == 0)) return ES_NOT_HANDLED;
Window *w = GetCallbackWnd();
@@ -1397,7 +1403,7 @@ static bool HandleMouseDrag()
w->OnMouseDrag(pt, GetWidgetFromPos(w, pt.x, pt.y));
}
- return false;
+ return ES_HANDLED;
}
static bool HandleMouseOver()
@@ -1526,13 +1532,16 @@ static void PreventHiding(int *nx, int *ny, const Rect &rect, const Window *v, i
static bool _dragging_window; ///< A window is being dragged or resized.
-static bool HandleWindowDragging()
+/** Handle dragging/resizing of a window.
+ * @return State of handling the event.
+ */
+static EventState HandleWindowDragging()
{
/* Get out immediately if no window is being dragged at all. */
- if (!_dragging_window) return true;
+ if (!_dragging_window) return ES_NOT_HANDLED;
/* If button still down, but cursor hasn't moved, there is nothing to do. */
- if (_left_button_down && _cursor.delta.x == 0 && _cursor.delta.y == 0) return false;
+ if (_left_button_down && _cursor.delta.x == 0 && _cursor.delta.y == 0) return ES_HANDLED;
/* Otherwise find the window... */
Window *w;
@@ -1652,7 +1661,7 @@ static bool HandleWindowDragging()
w->top = ny;
w->SetDirty();
- return false;
+ return ES_HANDLED;
} else if (w->flags4 & WF_SIZING) {
/* Stop the sizing if the left mouse button was released */
if (!_left_button_down) {
@@ -1690,7 +1699,7 @@ static bool HandleWindowDragging()
}
/* Window already on size */
- if (x == 0 && y == 0) return false;
+ if (x == 0 && y == 0) return ES_HANDLED;
/* Now find the new cursor pos.. this is NOT _cursor, because we move in steps. */
_drag_delta.y += y;
@@ -1705,12 +1714,12 @@ static bool HandleWindowDragging()
/* ResizeWindow sets both pre- and after-size to dirty for redrawal */
ResizeWindow(w, x, y);
- return false;
+ return ES_HANDLED;
}
}
_dragging_window = false;
- return false;
+ return ES_HANDLED;
}
/**
@@ -1748,13 +1757,15 @@ static void StartWindowSizing(Window *w, bool to_left)
DeleteWindowById(WC_DROPDOWN_MENU, 0);
}
-
-static bool HandleScrollbarScrolling()
+/** handle scrollbar scrolling with the mouse.
+ * @return State of handling the event.
+ */
+static EventState HandleScrollbarScrolling()
{
Window *w;
/* Get out quickly if no item is being scrolled */
- if (!_scrolling_scrollbar) return true;
+ if (!_scrolling_scrollbar) return ES_NOT_HANDLED;
/* Find the scrolling window */
FOR_ALL_WINDOWS_FROM_BACK(w) {
@@ -1789,33 +1800,36 @@ static bool HandleScrollbarScrolling()
sb->SetPosition(pos);
w->SetDirty();
}
- return false;
+ return ES_HANDLED;
}
}
_scrolling_scrollbar = false;
- return false;
+ return ES_HANDLED;
}
-static bool HandleViewportScroll()
+/** Handle viewport scrolling with the mouse.
+ * @return State of handling the event.
+ */
+static EventState HandleViewportScroll()
{
bool scrollwheel_scrolling = _settings_client.gui.scrollwheel_scrolling == 1 && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
- if (!_scrolling_viewport) return true;
+ if (!_scrolling_viewport) return ES_NOT_HANDLED;
Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
if (!(_right_button_down || scrollwheel_scrolling || (_settings_client.gui.left_mouse_btn_scrolling && _left_button_down)) || w == NULL) {
_cursor.fix_at = false;
_scrolling_viewport = false;
- return true;
+ return ES_NOT_HANDLED;
}
if (w == FindWindowById(WC_MAIN_WINDOW, 0) && w->viewport->follow_vehicle != INVALID_VEHICLE) {
/* If the main window is following a vehicle, then first let go of it! */
const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
ScrollMainWindowTo(veh->x_pos, veh->y_pos, veh->z_pos, true); // This also resets follow_vehicle
- return true;
+ return ES_NOT_HANDLED;
}
Point delta;
@@ -1840,7 +1854,7 @@ static bool HandleViewportScroll()
_cursor.delta.x = 0;
_cursor.delta.y = 0;
- return false;
+ return ES_HANDLED;
}
/** Check if a window can be made top-most window, and if so do
@@ -2016,7 +2030,7 @@ enum MouseClick {
TIME_BETWEEN_DOUBLE_CLICK = 500, ///< Time between 2 left clicks before it becoming a double click, in ms
};
-extern bool VpHandlePlaceSizingDrag();
+extern EventState VpHandlePlaceSizingDrag();
static void ScrollMainViewport(int x, int y)
{
@@ -2074,12 +2088,12 @@ static void MouseLoop(MouseClick click, int mousewheel)
HandlePlacePresize();
UpdateTileSelection();
- if (!VpHandlePlaceSizingDrag()) return;
- if (!HandleMouseDrag()) return;
- if (!HandleDragDrop()) return;
- if (!HandleWindowDragging()) return;
- if (!HandleScrollbarScrolling()) return;
- if (!HandleViewportScroll()) return;
+ if (VpHandlePlaceSizingDrag() == ES_HANDLED) return;
+ if (HandleMouseDrag() == ES_HANDLED) return;
+ if (HandleDragDrop() == ES_HANDLED) return;
+ if (HandleWindowDragging() == ES_HANDLED) return;
+ if (HandleScrollbarScrolling() == ES_HANDLED) return;
+ if (HandleViewportScroll() == ES_HANDLED) return;
if (!HandleMouseOver()) return;
bool scrollwheel_scrolling = _settings_client.gui.scrollwheel_scrolling == 1 && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);