virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
{
switch (widget) {
case WID_EM_MESSAGE: {
CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
if (this->textref_stack_size > 0) StartTextRefStackUsage(this->textref_stack_grffile, this->textref_stack_size, this->textref_stack);
int text_width = max(0, (int)size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT);
this->height_summary = GetStringHeight(this->summary_msg, text_width);
this->height_detailed = (this->detailed_msg == INVALID_STRING_ID) ? 0 : GetStringHeight(this->detailed_msg, text_width);
if (this->textref_stack_size > 0) StopTextRefStackUsage();
uint panel_height = WD_FRAMERECT_TOP + this->height_summary + WD_FRAMERECT_BOTTOM;
if (this->detailed_msg != INVALID_STRING_ID) panel_height += this->height_detailed + WD_PAR_VSEP_WIDE;
size->height = max(size->height, panel_height);
break;
}
case WID_EM_FACE: {
Dimension face_size = GetSpriteSize(SPR_GRADIENT);
size->width = max(size->width, face_size.width);
size->height = max(size->height, face_size.height);
break;
}
}
}
/**
* Display additional text from NewGRF in the purchase information window
* @param left Left border of text bounding box
* @param right Right border of text bounding box
* @param y Top border of text bounding box
* @param engine Engine to query the additional purchase information for
* @return Bottom border of text bounding box
*/
static uint ShowAdditionalText(int left, int right, int y, EngineID engine)
{
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ADDITIONAL_TEXT, 0, 0, engine, NULL);
if (callback == CALLBACK_FAILED || callback == 0x400) return y;
if (callback > 0x400) {
ErrorUnknownCallbackResult(Engine::Get(engine)->GetGRFID(), CBID_VEHICLE_ADDITIONAL_TEXT, callback);
return y;
}
StartTextRefStackUsage(6);
uint result = DrawStringMultiLine(left, right, y, INT32_MAX, GetGRFStringID(Engine::Get(engine)->GetGRFID(), 0xD000 + callback), TC_BLACK);
StopTextRefStackUsage();
return result;
}
/**
* Copy error parameters from current DParams.
*/
void ErrorMessageData::CopyOutDParams()
{
/* Reset parameters */
for (size_t i = 0; i < lengthof(this->strings); i++) free(this->strings[i]);
memset(this->decode_params, 0, sizeof(this->decode_params));
memset(this->strings, 0, sizeof(this->strings));
/* Get parameters using type information */
if (this->textref_stack_size > 0) StartTextRefStackUsage(this->textref_stack_grffile, this->textref_stack_size, this->textref_stack);
CopyOutDParam(this->decode_params, this->strings, this->detailed_msg == INVALID_STRING_ID ? this->summary_msg : this->detailed_msg, lengthof(this->decode_params));
if (this->textref_stack_size > 0) StopTextRefStackUsage();
if (this->detailed_msg == STR_ERROR_OWNED_BY) {
CompanyID company = (CompanyID)GetDParamX(this->decode_params, 2);
if (company < MAX_COMPANIES) face = company;
}
}
virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
{
if (widget != WID_EM_MESSAGE) return;
CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
if (this->textref_stack_size > 0) StartTextRefStackUsage(this->textref_stack_size, this->textref_stack);
int text_width = max(0, (int)size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT);
this->height_summary = GetStringHeight(this->summary_msg, text_width);
this->height_detailed = (this->detailed_msg == INVALID_STRING_ID) ? 0 : GetStringHeight(this->detailed_msg, text_width);
if (this->textref_stack_size > 0) StopTextRefStackUsage();
uint panel_height = WD_FRAMERECT_TOP + this->height_summary + WD_FRAMERECT_BOTTOM;
if (this->detailed_msg != INVALID_STRING_ID) panel_height += this->height_detailed + WD_PAR_VSEP_WIDE;
size->height = max(size->height, panel_height);
}
/**
* Display an error message in a window.
* @param summary_msg General error message showed in first line. Must be valid.
* @param detailed_msg Detailed error message showed in second line. Can be INVALID_STRING_ID.
* @param duration The amount of time to show this error message.
* @param x World X position (TileVirtX) of the error location. Set both x and y to 0 to just center the message when there is no related error tile.
* @param y World Y position (TileVirtY) of the error location. Set both x and y to 0 to just center the message when there is no related error tile.
* @param textref_stack_size Number of uint32 values to put on the #TextRefStack for the error message; 0 if the #TextRefStack shall not be used.
* @param textref_stack Values to put on the #TextRefStack.
*/
ErrorMessageData(StringID summary_msg, StringID detailed_msg, uint duration, int x, int y, uint textref_stack_size, const uint32 *textref_stack) :
duration(duration),
textref_stack_size(textref_stack_size),
summary_msg(summary_msg),
detailed_msg(detailed_msg)
{
this->position.x = x;
this->position.y = y;
if (textref_stack_size > 0) StartTextRefStackUsage(textref_stack_size, textref_stack);
CopyOutDParam(this->decode_params, this->strings, detailed_msg == INVALID_STRING_ID ? summary_msg : detailed_msg, lengthof(this->decode_params));
if (textref_stack_size > 0) {
StopTextRefStackUsage();
MemCpyT(this->textref_stack, textref_stack, textref_stack_size);
}
CompanyID company = (CompanyID)GetDParamX(this->decode_params, 2);
this->face = (this->detailed_msg == STR_ERROR_OWNED_BY && company < MAX_COMPANIES) ? company : INVALID_COMPANY;
assert(summary_msg != INVALID_STRING_ID);
}
virtual void DrawWidget(const Rect &r, int widget) const
{
switch (GB(widget, 0, 16)) {
case WID_BO_CLASS_LIST: {
int y = r.top;
uint pos = 0;
for (uint i = 0; i < ObjectClass::GetClassCount(); i++) {
ObjectClass *objclass = ObjectClass::Get((ObjectClassID)i);
if (objclass->GetUISpecCount() == 0) continue;
if (!this->vscroll->IsVisible(pos++)) continue;
DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, objclass->name,
((int)i == _selected_object_class) ? TC_WHITE : TC_BLACK);
y += this->line_height;
}
break;
}
case WID_BO_OBJECT_SPRITE: {
const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
if (spec == NULL) break;
/* Height of the selection matrix.
* Depending on the number of views, the matrix has a 1x1, 1x2, 2x1 or 2x2 layout. To make the previews
* look nice in all layouts, we use the 4x4 layout (smallest previews) as starting point. For the bigger
* previews in the layouts with less views we add space homogeneously on all sides, so the 4x4 preview-rectangle
* is centered in the 2x1, 1x2 resp. 1x1 buttons. */
uint matrix_height = this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->current_y;
DrawPixelInfo tmp_dpi;
/* Set up a clipping area for the preview. */
if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
if (spec->grf_prop.grffile == NULL) {
extern const DrawTileSprites _objects[];
const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id];
DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, (r.bottom - r.top + matrix_height / 2) / 2 - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), dts, PAL_NONE);
} else {
DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, (r.bottom - r.top + matrix_height / 2) / 2 - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), spec, GB(widget, 16, 16));
}
_cur_dpi = old_dpi;
}
break;
}
case WID_BO_SELECT_IMAGE: {
ObjectClass *objclass = ObjectClass::Get(_selected_object_class);
int obj_index = objclass->GetIndexFromUI(GB(widget, 16, 16));
if (obj_index < 0) break;
const ObjectSpec *spec = objclass->GetSpec(obj_index);
if (spec == NULL) break;
if (!spec->IsAvailable()) {
GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
}
DrawPixelInfo tmp_dpi;
/* Set up a clipping area for the preview. */
if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top, (r.right - 1) - (r.left + 1) + 1, r.bottom - r.top + 1)) {
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
if (spec->grf_prop.grffile == NULL) {
extern const DrawTileSprites _objects[];
const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id];
DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, r.bottom - r.top - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), dts, PAL_NONE);
} else {
DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, r.bottom - r.top - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), spec,
min(_selected_object_view, spec->views - 1));
}
_cur_dpi = old_dpi;
}
break;
}
case WID_BO_INFO: {
const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
if (spec == NULL) break;
/* Get the extra message for the GUI */
if (HasBit(spec->callback_mask, CBM_OBJ_FUND_MORE_TEXT)) {
uint16 callback_res = GetObjectCallback(CBID_OBJECT_FUND_MORE_TEXT, 0, 0, spec, NULL, INVALID_TILE, _selected_object_view);
if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
if (callback_res > 0x400) {
ErrorUnknownCallbackResult(spec->grf_prop.grffile->grfid, CBID_OBJECT_FUND_MORE_TEXT, callback_res);
} else {
StringID message = GetGRFStringID(spec->grf_prop.grffile->grfid, 0xD000 + callback_res);
if (message != STR_NULL && message != STR_UNDEFINED) {
StartTextRefStackUsage(spec->grf_prop.grffile, 6);
/* Use all the available space left from where we stand up to the
* end of the window. We ALSO enlarge the window if needed, so we
* can 'go' wild with the bottom of the window. */
int y = DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, message, TC_ORANGE) - r.top;
StopTextRefStackUsage();
if (y > this->info_height) {
BuildObjectWindow *bow = const_cast<BuildObjectWindow *>(this);
bow->info_height = y + 2;
bow->ReInit();
}
}
}
}
}
}
}
}