12 #include "../stdafx.h" 13 #include "../window_gui.h" 14 #include "../string_func.h" 15 #include "../strings_func.h" 16 #include "../window_func.h" 17 #include "../guitimer_func.h" 22 #include "../safeguards.h" 25 void DropDownListItem::Draw(
int left,
int right,
int top,
int bottom,
bool sel,
int bg_colour)
const 30 int mid = top + this->Height(0) / 2;
31 GfxFillRect(left + 1, mid - 2, right - 1, mid - 2, c1);
32 GfxFillRect(left + 1, mid - 1, right - 1, mid - 1, c2);
35 uint DropDownListStringItem::Width()
const 38 GetString(buffer, this->String(),
lastof(buffer));
42 void DropDownListStringItem::Draw(
int left,
int right,
int top,
int bottom,
bool sel,
int bg_colour)
const 56 char buffer1[512], buffer2[512];
57 GetString(buffer1, static_cast<const DropDownListStringItem*>(*first)->String(),
lastof(buffer1));
58 GetString(buffer2, static_cast<const DropDownListStringItem*>(*second)->String(),
lastof(buffer2));
62 StringID DropDownListParamStringItem::String()
const 64 for (uint i = 0; i <
lengthof(this->decode_params); i++)
SetDParam(i, this->decode_params[i]);
68 StringID DropDownListCharStringItem::String()
const 74 static const NWidgetPart _nested_dropdown_menu_widgets[] = {
87 _nested_dropdown_menu_widgets,
lengthof(_nested_dropdown_menu_widgets)
120 assert(list->
Length() > 0);
122 this->position = position;
124 this->CreateNestedTree();
128 uint items_width = size.width - (scroll ? NWidgetScrollbar::GetVerticalDimension().width : 0);
138 this->FinishInitNested(0);
145 list_height += item->Height(items_width);
154 this->parent_button = button;
156 this->selected_index = selected;
157 this->click_delay = 0;
158 this->drag_mode =
true;
159 this->instant_close = instant_close;
175 w2->
OnDropdownClose(pt, this->parent_button, this->selected_index, this->instant_close);
182 return this->position;
195 int y = _cursor.
pos.y - this->top - nwi->
pos_y - 2;
203 if (--pos >= 0)
continue;
206 int item_height = item->Height(width);
208 if (y < item_height) {
209 if (item->
masked || !item->Selectable())
return false;
224 Colours colour = this->GetWidget<NWidgetCore>(widget)->colour;
230 int item_height = item->Height(r.right - r.left + 1);
233 if (--pos >= 0)
continue;
235 if (y + item_height < r.bottom) {
236 bool selected = (this->selected_index == item->
result);
239 item->Draw(r.left, r.right, y, y + item_height, selected, colour);
253 if (this->GetDropDownItem(item)) {
254 this->click_delay = 4;
255 this->selected_index = item;
262 if (!this->scrolling_timer.
Elapsed(delta_ms))
return;
265 if (this->scrolling != 0) {
285 if (this->click_delay != 0 && --this->click_delay == 0) {
296 if (this->drag_mode) {
300 this->drag_mode =
false;
301 if (!this->GetDropDownItem(item)) {
302 if (this->instant_close)
delete this;
305 this->click_delay = 2;
307 if (_cursor.
pos.y <= this->top + 2) {
309 this->scrolling = -1;
311 }
else if (_cursor.
pos.y >= this->top + this->height - 2) {
317 if (!this->GetDropDownItem(item))
return;
320 if (this->selected_index != item) {
321 this->selected_index = item;
347 int top = w->
top + wi_rect.bottom + 1;
350 uint width = wi_rect.right - wi_rect.left + 1;
353 uint max_item_width = 0;
360 height += item->Height(width);
361 if (auto_width) max_item_width =
max(max_item_width, item->Width() + 5);
374 if (height > available_height) {
379 if (available_height_above > available_height) {
381 available_height = available_height_above;
385 if (height > available_height) {
387 uint avg_height = height / list->
Length();
390 assert(available_height >= avg_height);
393 uint rows = available_height / avg_height;
394 height = rows * avg_height;
397 max_item_width += NWidgetScrollbar::GetVerticalDimension().width;
402 top = w->
top + wi_rect.top - height - 4;
406 if (auto_width) width =
max(width, max_item_width);
437 wi_rect.left = nwi->
pos_x;
439 wi_rect.top = nwi->
pos_y;
441 Colours wi_colour = nwi->
colour;
452 wi_rect.left = wi_rect.right + 1 - width;
454 wi_rect.right = wi_rect.left + width - 1;
458 ShowDropDownListAt(w, list, selected, button, wi_rect, wi_colour, auto_width, instant_close);
477 if (!
HasBit(hidden_mask, i)) {
483 if (list->
Length() == 0) {
499 FOR_ALL_WINDOWS_FROM_BACK(w) {
508 return parent_button;
void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width)
Show a dropdown menu window near a widget of the parent window.
void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode)
Applies a certain FillRectMode-operation to a rectangle [left, right] x [top, bottom] on the screen...
Point pos
logical mouse position
virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number)
Compute the initial position of the window.
High level window description.
int left
x position of left edge of the window
bool instant_close
Close the window when the mouse button is raised.
void SetWidgetDirty(byte widget_index) const
Invalidate a widget, i.e.
Window * FindWindowById(WindowClass cls, WindowNumber number)
Find a window by its class and window number.
bool Elapsed(uint delta)
Test if a timer has elapsed.
byte _colour_gradient[COLOUR_END][8]
All 16 colour gradients 8 colours per gradient from darkest (0) to lightest (7)
void ShowDropDownList(Window *w, const DropDownList *list, int selected, int button, uint width, bool auto_width, bool instant_close)
Show a drop down list.
WindowClass parent_wnd_class
Parent window class.
int selected_index
Index of the selected item in the list.
int top
y position of top edge of the window
const T * Begin() const
Get the pointer to the first item (const)
virtual void OnMouseLoop()
Called for every mouse loop run, which is at least once per (game) tick.
#define lastof(x)
Get the last element of an fixed size array.
WindowClass
Window classes.
#define CLRBITS(x, y)
Clears several bits in a variable.
static T max(const T a, const T b)
Returns the maximum of two values.
const T * End() const
Get the pointer behind the last valid item (const)
const DropDownList * list
List with dropdown menu items.
int HideDropDownMenu(Window *pw)
Delete the drop-down menu from window pw.
bool _left_button_clicked
Is left mouse button clicked?
T * Append(uint to_add=1)
Append an item and return it.
int GetMainViewBottom()
Return the bottom of the main view available for general use.
Data structure for an opened window.
byte click_delay
Timer to delay selection.
void SetDParamStr(uint n, const char *str)
This function is used to "bind" a C string to a OpenTTD dparam slot.
uint Length() const
Get the number of items in the list.
Simple vector template class, with automatic delete.
bool masked
Masked and unselectable item.
int GetMainViewTop()
Return the top of the main view available for general use.
static const uint MILLISECONDS_PER_TICK
The number of milliseconds per game tick.
void LowerWidget(byte widget_index)
Marks a widget as lowered.
virtual void OnDropdownSelect(int widget, int index)
A dropdown option associated to this window has been selected.
int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
Draw string, possibly truncated to make it fit in its allocated space.
#define lengthof(x)
Return the length of an fixed size array.
Types related to the drop down widget.
uint32 StringID
Numeric value that represents a string, independent of the selected language.
int scrolling
If non-zero, auto-scroll the item list (one time).
static const uint8 PC_BLACK
Black palette colour.
Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize)
Return the string dimension in pixels.
Draw only every second pixel, used for greying-out.
No window, redirects to WC_MAIN_WINDOW.
void DeleteWindowById(WindowClass cls, WindowNumber number, bool force)
Delete a window by its class and window number (if it is open).
WindowNumber parent_wnd_num
Parent window number.
bool GetDropDownItem(int &value)
Find the dropdown item under the cursor.
virtual void OnClick(Point pt, int widget, int click_count)
A click with the left mouse button has been made on the window.
int strnatcmp(const char *s1, const char *s2, bool ignore_garbage_at_front)
Compares two strings using case insensitive natural sort.
TextDirection _current_text_dir
Text direction of the currently selected language.
int result
Result code to return to window on selection.
This window won't get focus/make any other window lose focus when click.
Point position
Position of the topleft corner of the window.
GUITimer scrolling_timer
Timer for auto-scroll of the item list.
int parent_button
Parent widget number where the window is dropped from.
virtual void DrawWidget(const Rect &r, int widget) const
Draw the contents of a nested widget.
Coordinates of a point in 2D.
DropdownWindow(Window *parent, const DropDownList *list, int selected, int button, bool instant_close, const Point &position, const Dimension &size, Colours wi_colour, bool scroll)
Create a dropdown menu.
static const StringID INVALID_STRING_ID
Constant representing an invalid string (16bit in case it is used in savegames)
Offset at right to draw the frame rectangular area.
static bool HasBit(const T x, const uint8 y)
Checks if a bit in a value is set.
int32 WindowNumber
Number to differentiate different windows of the same class.
WindowClass window_class
Window class.
Specification of a rectangle with absolute coordinates of all edges.
Text is written right-to-left by default.
WindowNumber window_number
Window number within the window class.
Manually align the window (so no automatic location finding)
virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
A dropdown window associated to this window has been closed.
virtual void OnRealtimeTick(uint delta_ms)
Called periodically.
const NWID * GetWidget(uint widnum) const
Get the nested widget with number widnum from the nested widget tree.
Window white border counter bit mask.
Base list item class from which others are derived.
Dimensions (a width and height) of a rectangle in 2D.
Offset at left to draw the frame rectangular area.
void ShowDropDownListAt(Window *w, const DropDownList *list, int selected, int button, Rect wi_rect, Colours wi_colour, bool auto_width, bool instant_close)
Show a drop down list.
Drop down menu; Window numbers:
AutoDeleteSmallVector< const DropDownListItem *, 4 > DropDownList
A drop down list is a collection of drop down list items.
static void SetDParam(uint n, uint64 v)
Set a string parameter v at index n in the global string parameter array.
static int CDECL NatSortFunc(const DropDownListItem *const *first, const DropDownListItem *const *second)
Natural sorting comparator function for DropDownList::sort().