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authoralberth <alberth@openttd.org>2009-06-04 14:07:05 +0000
committeralberth <alberth@openttd.org>2009-06-04 14:07:05 +0000
commitb144a5451cb451d91bacafd80cab04640d1c1af1 (patch)
tree9eb3dc83f5dfd3b398f76ce3784fef22cdd5767b /src
parent1a4934ef070aee3e506603707850de28c7f872cd (diff)
downloadopenttd-b144a5451cb451d91bacafd80cab04640d1c1af1.tar.xz
(svn r16516) -Codechange: Added click and drag handling for nested widgets.
Diffstat (limited to 'src')
-rw-r--r--src/misc_gui.cpp9
-rw-r--r--src/osk_gui.cpp10
-rw-r--r--src/window.cpp188
-rw-r--r--src/window_gui.h27
4 files changed, 154 insertions, 80 deletions
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index bcd152e82..076e74231 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -1072,11 +1072,10 @@ bool HandleCaret(Textbuf *tb)
bool QueryString::HasEditBoxFocus(const Window *w, int wid) const
{
- return (w->window_class == WC_OSK &&
- _focused_window == w->parent &&
- w->parent->focused_widget != NULL &&
- w->parent->focused_widget->type == WWT_EDITBOX) ||
- w->IsWidgetGloballyFocused(wid);
+ if (w->IsWidgetGloballyFocused(wid)) return true;
+ if (w->window_class != WC_OSK || _focused_window != w->parent) return false;
+ return (w->parent->focused_widget != NULL && w->parent->focused_widget->type == WWT_EDITBOX) ||
+ (w->parent->nested_focus != NULL && w->parent->nested_focus->type == WWT_EDITBOX);
}
HandleEditBoxResult QueryString::HandleEditBoxKey(Window *w, int wid, uint16 key, uint16 keycode, Window::EventState &state)
diff --git a/src/osk_gui.cpp b/src/osk_gui.cpp
index 1b2a825d4..43b434edb 100644
--- a/src/osk_gui.cpp
+++ b/src/osk_gui.cpp
@@ -149,8 +149,14 @@ struct OskWindow : public Window {
switch (widget) {
case OSK_WIDGET_TEXT: {
/* Find the edit box of the parent window and give focus to that */
- const Widget *wi = this->parent->GetWidgetOfType(WWT_EDITBOX);
- if (wi != NULL) this->parent->focused_widget = wi;
+ if (this->parent->widget != NULL) {
+ const Widget *wi = this->parent->GetWidgetOfType(WWT_EDITBOX);
+ if (wi != NULL) this->parent->focused_widget = wi;
+ }
+ if (this->parent->nested_root != NULL) {
+ const NWidgetCore *nwid = dynamic_cast<const NWidgetCore *>(this->parent->nested_root->GetWidgetOfType(WWT_EDITBOX));
+ if (nwid != NULL) this->parent->nested_focus = nwid;
+ }
/* Give focus to parent window */
SetFocusedWindow(this->parent);
diff --git a/src/window.cpp b/src/window.cpp
index ec829dc5b..68634e21a 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -97,9 +97,12 @@ void SetFocusedWindow(Window *w)
if (_focused_window == w) return;
/* Invalidate focused widget */
- if (_focused_window != NULL && _focused_window->focused_widget != NULL) {
- uint focused_widget_id = _focused_window->focused_widget - _focused_window->widget;
- _focused_window->InvalidateWidget(focused_widget_id);
+ if (_focused_window != NULL) {
+ if (_focused_window->focused_widget != NULL) {
+ uint focused_widget_id = _focused_window->focused_widget - _focused_window->widget;
+ _focused_window->InvalidateWidget(focused_widget_id);
+ }
+ if (_focused_window->nested_focus != NULL) _focused_window->nested_focus->Invalidate(_focused_window);
}
/* Remember which window was previously focused */
@@ -118,11 +121,15 @@ void SetFocusedWindow(Window *w)
*/
bool EditBoxInGlobalFocus()
{
- const Widget *wi = (_focused_window != NULL) ? _focused_window->focused_widget : NULL;
+ if (_focused_window == NULL) return false;
/* The console does not have an edit box so a special case is needed. */
- return (wi != NULL && wi->type == WWT_EDITBOX) ||
- (_focused_window != NULL && _focused_window->window_class == WC_CONSOLE);
+ if (_focused_window->window_class == WC_CONSOLE) return true;
+
+ if (_focused_window->nested_array != NULL) {
+ return _focused_window->nested_focus != NULL && _focused_window->nested_focus->type == WWT_EDITBOX;
+ }
+ return _focused_window->focused_widget != NULL && _focused_window->focused_widget->type == WWT_EDITBOX;
}
/**
@@ -264,8 +271,19 @@ static void DispatchLeftClickEvent(Window *w, int x, int y, bool double_click)
{
int widget_index = 0;
if (w->desc_flags & WDF_DEF_WIDGET) {
- widget_index = GetWidgetFromPos(w, x, y);
- WidgetType widget_type = (widget_index >= 0) ? w->widget[widget_index].type : WWT_EMPTY;
+ const Widget *wi = NULL;
+ const NWidgetCore *nw = NULL;
+ WidgetType widget_type;
+ if (w->widget != NULL) {
+ widget_index = GetWidgetFromPos(w, x, y);
+ wi = &w->widget[widget_index];
+ widget_type = (widget_index >= 0) ? wi->type : WWT_EMPTY;
+ } else {
+ assert(w->nested_root != NULL);
+ nw = w->nested_root->GetWidgetFromPos(x, y);
+ widget_index = (nw != NULL) ? nw->index : -1;
+ widget_type = (widget_index >= 0) ? nw->type : WWT_EMPTY;
+ }
bool focused_widget_changed = false;
/* If clicked on a window that previously did dot have focus */
@@ -288,15 +306,14 @@ static void DispatchLeftClickEvent(Window *w, int x, int y, bool double_click)
/* don't allow any interaction if the button has been disabled */
if (w->IsWidgetDisabled(widget_index)) return;
- const Widget *wi = &w->widget[widget_index];
-
/* Clicked on a widget that is not disabled.
* So unless the clicked widget is the caption bar, change focus to this widget */
if (widget_type != WWT_CAPTION) {
/* Close the OSK window if a edit box loses focus */
- if (w->focused_widget != NULL && w->focused_widget->type == WWT_EDITBOX && // An edit box was previously selected
- w->focused_widget != wi && // and focus is going to change
- w->window_class != WC_OSK) { // and it is not the OSK window
+ if ((w->widget != NULL && w->focused_widget != NULL && w->focused_widget->type == WWT_EDITBOX && // An edit box was previously selected
+ w->focused_widget != wi && w->window_class != WC_OSK) || // and focus is going to change and it is not the OSK window
+ (w->nested_root != NULL && w->nested_focus != NULL && w->nested_focus->type == WWT_EDITBOX &&
+ w->nested_focus != nw && w->window_class != WC_OSK)) {
DeleteWindowById(WC_OSK, 0);
}
@@ -314,7 +331,11 @@ static void DispatchLeftClickEvent(Window *w, int x, int y, bool double_click)
break;
}
} else if (widget_type == WWT_SCROLLBAR || widget_type == WWT_SCROLL2BAR || widget_type == WWT_HSCROLLBAR) {
- ScrollbarClickHandler(w, wi, x, y);
+ if (wi != NULL) {
+ ScrollbarClickHandler(w, wi, x, y);
+ } else {
+ ScrollbarClickHandler(w, nw, x, y);
+ }
} else if (widget_type == WWT_EDITBOX && !focused_widget_changed) { // Only open the OSK window if clicking on an already focused edit box
/* Open the OSK window if clicked on an edit box */
QueryStringBaseWindow *qs = dynamic_cast<QueryStringBaseWindow *>(w);
@@ -342,7 +363,8 @@ static void DispatchLeftClickEvent(Window *w, int x, int y, bool double_click)
if ((w->desc_flags & WDF_RESIZABLE) && widget_type == WWT_RESIZEBOX) {
/* When the resize widget is on the left size of the window
* we assume that that button is used to resize to the left. */
- StartWindowSizing(w, wi->left < (w->width / 2));
+ int left_pos = (wi != NULL) ? wi->left : nw->pos_x;
+ StartWindowSizing(w, left_pos < (w->width / 2));
w->InvalidateWidget(widget_index);
return;
}
@@ -372,14 +394,24 @@ static void DispatchLeftClickEvent(Window *w, int x, int y, bool double_click)
static void DispatchRightClickEvent(Window *w, int x, int y)
{
int widget = 0;
+ StringID tooltip = 0;
/* default tooltips handler? */
if (w->desc_flags & WDF_STD_TOOLTIPS) {
- widget = GetWidgetFromPos(w, x, y);
- if (widget < 0) return; // exit if clicked outside of widgets
+ if (w->nested_root != NULL) {
+ NWidgetCore *wid = w->nested_root->GetWidgetFromPos(x, y);
+ if (wid == NULL || wid->index < 0) return;
+ widget = wid->index;
+ tooltip = wid->tool_tip;
+ }
+ if (w->widget != NULL) {
+ widget = GetWidgetFromPos(w, x, y);
+ if (widget < 0) return; // exit if clicked outside of widgets
+ tooltip = w->widget[widget].tooltips;
+ }
- if (w->widget[widget].tooltips != 0) {
- GuiShowTooltips(w->widget[widget].tooltips);
+ if (tooltip != 0) {
+ GuiShowTooltips(tooltip);
return;
}
}
@@ -817,6 +849,7 @@ void Window::Initialize(int x, int y, int min_width, int min_height,
this->height = min_height;
AssignWidgetToWindow(this, widget);
this->focused_widget = NULL;
+ this->nested_focus = NULL;
this->resize.width = min_width;
this->resize.height = min_height;
this->resize.step_width = 1;
@@ -826,7 +859,9 @@ void Window::Initialize(int x, int y, int min_width, int min_height,
/* Give focus to the opened window unless it is the OSK window or a text box
* of focused window has focus (so we don't interrupt typing). But if the new
* window has a text box, then take focus anyway. */
- if (this->window_class != WC_OSK && (!EditBoxInGlobalFocus() || this->GetWidgetOfType(WWT_EDITBOX) != NULL)) SetFocusedWindow(this);
+ bool has_editbox = (this->widget != NULL && this->GetWidgetOfType(WWT_EDITBOX) != NULL) ||
+ (this->nested_root != NULL && this->nested_root->GetWidgetOfType(WWT_EDITBOX) != NULL);
+ if (this->window_class != WC_OSK && (!EditBoxInGlobalFocus() || has_editbox)) SetFocusedWindow(this);
/* Hacky way of specifying always-on-top windows. These windows are
* always above other windows because they are moved below them.
@@ -1345,44 +1380,56 @@ static bool HandleMouseOver()
*/
void ResizeWindow(Window *w, int delta_x, int delta_y)
{
- bool resize_height = false;
- bool resize_width = false;
-
if (delta_x == 0 && delta_y == 0) return;
w->SetDirty();
- for (Widget *wi = w->widget; wi->type != WWT_LAST; wi++) {
- /* Isolate the resizing flags */
- byte rsizeflag = GB(wi->display_flags, 0, 4);
- if (rsizeflag == RESIZE_NONE) continue;
+ if (w->nested_root != NULL) {
+ uint new_xinc = max(0u, (w->nested_root->resize_x == 0) ? 0 : (w->nested_root->current_x - w->nested_root->smallest_x) + delta_x);
+ uint new_yinc = max(0u, (w->nested_root->resize_y == 0) ? 0 : (w->nested_root->current_y - w->nested_root->smallest_y) + delta_y);
+ assert(w->nested_root->resize_x == 0 || new_xinc % w->nested_root->resize_x == 0);
+ assert(w->nested_root->resize_y == 0 || new_yinc % w->nested_root->resize_y == 0);
- /* Resize the widget based on its resize-flag */
- if (rsizeflag & RESIZE_LEFT) {
- wi->left += delta_x;
- resize_width = true;
- }
+ w->nested_root->AssignSizePosition(ST_RESIZE, 0, 0, w->nested_root->smallest_x + new_xinc, w->nested_root->smallest_y + new_yinc, false, false, false);
+ w->width = w->nested_root->current_x;
+ w->height = w->nested_root->current_y;
+ } else {
+ assert(w->widget != NULL);
- if (rsizeflag & RESIZE_RIGHT) {
- wi->right += delta_x;
- resize_width = true;
- }
+ bool resize_height = false;
+ bool resize_width = false;
+ for (Widget *wi = w->widget; wi->type != WWT_LAST; wi++) {
+ /* Isolate the resizing flags */
+ byte rsizeflag = GB(wi->display_flags, 0, 4);
- if (rsizeflag & RESIZE_TOP) {
- wi->top += delta_y;
- resize_height = true;
- }
+ if (rsizeflag == RESIZE_NONE) continue;
- if (rsizeflag & RESIZE_BOTTOM) {
- wi->bottom += delta_y;
- resize_height = true;
- }
- }
+ /* Resize the widget based on its resize-flag */
+ if (rsizeflag & RESIZE_LEFT) {
+ wi->left += delta_x;
+ resize_width = true;
+ }
- /* We resized at least 1 widget, so let's resize the window totally */
- if (resize_width) w->width += delta_x;
- if (resize_height) w->height += delta_y;
+ if (rsizeflag & RESIZE_RIGHT) {
+ wi->right += delta_x;
+ resize_width = true;
+ }
+
+ if (rsizeflag & RESIZE_TOP) {
+ wi->top += delta_y;
+ resize_height = true;
+ }
+ if (rsizeflag & RESIZE_BOTTOM) {
+ wi->bottom += delta_y;
+ resize_height = true;
+ }
+ }
+
+ /* We resized at least 1 widget, so let's resize the window totally */
+ if (resize_width) w->width += delta_x;
+ if (resize_height) w->height += delta_y;
+ }
w->SetDirty();
}
@@ -1486,16 +1533,31 @@ static bool HandleWindowDragging()
}
}
- /* Search for the title bar */
- const Widget *caption = w->GetWidgetOfType(WWT_CAPTION);
- assert(caption != NULL);
+ /* Search for the title bar rectangle. */
+ Rect caption_rect;
+ if (w->widget != NULL) {
+ const Widget *caption = w->GetWidgetOfType(WWT_CAPTION);
+ assert(caption != NULL);
+ caption_rect.left = caption->left;
+ caption_rect.right = caption->right;
+ caption_rect.top = caption->top;
+ caption_rect.bottom = caption->bottom;
+ } else {
+ assert(w->nested_root != NULL);
+ const NWidgetBase *caption = w->nested_root->GetWidgetOfType(WWT_CAPTION);
+ assert(caption != NULL);
+ caption_rect.left = caption->pos_x;
+ caption_rect.right = caption->pos_x + caption->current_x;
+ caption_rect.top = caption->pos_y;
+ caption_rect.bottom = caption->pos_y + caption->current_y;
+ }
/* The minimum number of pixels of the title bar must be visible
* in both the X or Y direction */
static const int MIN_VISIBLE_TITLE_BAR = 13;
/* Make sure the window doesn't leave the screen */
- nx = Clamp(nx, MIN_VISIBLE_TITLE_BAR - caption->right, _screen.width - MIN_VISIBLE_TITLE_BAR - caption->left);
+ nx = Clamp(nx, MIN_VISIBLE_TITLE_BAR - caption_rect.right, _screen.width - MIN_VISIBLE_TITLE_BAR - caption_rect.left);
ny = Clamp(ny, 0, _screen.height - MIN_VISIBLE_TITLE_BAR);
/* Make sure the title bar isn't hidden by behind the main tool bar */
@@ -1503,19 +1565,19 @@ static bool HandleWindowDragging()
if (v != NULL) {
int v_bottom = v->top + v->height;
int v_right = v->left + v->width;
- if (ny + caption->top >= v->top && ny + caption->top < v_bottom) {
- if ((v->left < MIN_VISIBLE_TITLE_BAR && nx + caption->left < v->left) ||
- (v_right > _screen.width - MIN_VISIBLE_TITLE_BAR && nx + caption->right > v_right)) {
+ if (ny + caption_rect.top >= v->top && ny + caption_rect.top < v_bottom) {
+ if ((v->left < MIN_VISIBLE_TITLE_BAR && nx + caption_rect.left < v->left) ||
+ (v_right > _screen.width - MIN_VISIBLE_TITLE_BAR && nx + caption_rect.right > v_right)) {
ny = v_bottom;
} else {
- if (nx + caption->left > v->left - MIN_VISIBLE_TITLE_BAR &&
- nx + caption->right < v_right + MIN_VISIBLE_TITLE_BAR) {
+ if (nx + caption_rect.left > v->left - MIN_VISIBLE_TITLE_BAR &&
+ nx + caption_rect.right < v_right + MIN_VISIBLE_TITLE_BAR) {
if (w->top >= v_bottom) {
ny = v_bottom;
} else if (w->left < nx) {
- nx = v->left - MIN_VISIBLE_TITLE_BAR - caption->left;
+ nx = v->left - MIN_VISIBLE_TITLE_BAR - caption_rect.left;
} else {
- nx = v_right + MIN_VISIBLE_TITLE_BAR - caption->right;
+ nx = v_right + MIN_VISIBLE_TITLE_BAR - caption_rect.right;
}
}
}
@@ -1549,11 +1611,15 @@ static bool HandleWindowDragging()
x = _cursor.pos.x - _drag_delta.x;
}
+ if (w->nested_root != NULL) {
+ /* Nested widgets also allow resize.step_width and/or resize.step_height to become 0 which means no resize is possible. */
+ if (w->resize.step_width == 0) x = 0;
+ if (w->resize.step_height == 0) y = 0;
+ }
/* X and Y has to go by step.. calculate it.
* The cast to int is necessary else x/y are implicitly casted to
* unsigned int, which won't work. */
- if (w->resize.step_width > 1) x -= x % (int)w->resize.step_width;
-
+ if (w->resize.step_width > 1) x -= x % (int)w->resize.step_width;
if (w->resize.step_height > 1) y -= y % (int)w->resize.step_height;
/* Check if we don't go below the minimum set size */
diff --git a/src/window_gui.h b/src/window_gui.h
index 36ebaec61..62757f9c4 100644
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -169,18 +169,19 @@ public:
Owner owner; ///< The owner of the content shown in this window. Company colour is acquired from this variable.
- ViewportData *viewport; ///< Pointer to viewport data, if present.
- Widget *widget; ///< Widgets of the window.
- uint widget_count; ///< Number of widgets of the window.
- uint32 desc_flags; ///< Window/widgets default flags setting. @see WindowDefaultFlag
- const Widget *focused_widget; ///< Currently focused widget, or \c NULL if no widget has focus.
- NWidgetBase *nested_root; ///< Root of the nested tree.
- NWidgetCore **nested_array; ///< Array of pointers into the tree.
- uint nested_array_size; ///< Size of the nested array.
+ ViewportData *viewport; ///< Pointer to viewport data, if present.
+ Widget *widget; ///< Widgets of the window.
+ uint widget_count; ///< Number of widgets of the window.
+ uint32 desc_flags; ///< Window/widgets default flags setting. @see WindowDefaultFlag
+ const Widget *focused_widget; ///< Currently focused widget, or \c NULL if no widget has focus.
+ const NWidgetCore *nested_focus; ///< Currently focused nested widget, or \c NULL if no nested widget has focus.
+ NWidgetBase *nested_root; ///< Root of the nested tree.
+ NWidgetCore **nested_array; ///< Array of pointers into the tree.
+ uint nested_array_size; ///< Size of the nested array.
- Window *parent; ///< Parent window
- Window *z_front; ///< The window in front of us in z-order
- Window *z_back; ///< The window behind us in z-order
+ Window *parent; ///< Parent window.
+ Window *z_front; ///< The window in front of us in z-order.
+ Window *z_back; ///< The window behind us in z-order.
/**
* Sets the enabled/disabled status of a widget.
@@ -302,7 +303,8 @@ public:
*/
inline bool IsWidgetFocused(byte widget_index) const
{
- return this->focused_widget == &this->widget[widget_index];
+ return (this->widget != NULL && this->focused_widget == &this->widget[widget_index]) ||
+ (this->nested_focus != NULL && this->nested_focus->index == widget_index);
}
/**
@@ -693,6 +695,7 @@ void SetFocusedWindow(Window *w);
bool EditBoxInGlobalFocus();
void ScrollbarClickHandler(Window *w, const Widget *wi, int x, int y);
+void ScrollbarClickHandler(Window *w, const NWidgetCore *nw, int x, int y);
void ResizeButtons(Window *w, byte left, byte right);