From 9b15b8cd4a6e956e97a6c5f823f181d381684157 Mon Sep 17 00:00:00 2001 From: alberth Date: Mon, 1 Jun 2009 20:45:46 +0000 Subject: (svn r16501) -Codechange: Introduced different phases in resizing a nested widget tree. --- src/widget.cpp | 257 ++++++++++++++++++++++++++++++++---------------------- src/widget_type.h | 49 ++++++++--- 2 files changed, 189 insertions(+), 117 deletions(-) (limited to 'src') diff --git a/src/widget.cpp b/src/widget.cpp index 93f05dc15..b3c53aeff 100644 --- a/src/widget.cpp +++ b/src/widget.cpp @@ -783,11 +783,18 @@ void Window::DrawSortButtonState(int widget, SortButtonState state) const *
    *
  1. A bottom-up sweep by recursively calling NWidgetBase::SetupSmallestSize() to initialize the smallest size (\e smallest_x, \e smallest_y) and * to propagate filling and resize steps upwards to the root of the tree. - *
  2. A top-down sweep by recursively calling NWidgetBase::AssignSizePosition() to make the smallest sizes consistent over the entire tree, and to assign - * the top-left (\e pos_x, \e pos_y) position of each widget in the tree. This step uses \e fill_x and \e fill_y at each node in the tree to decide how to - * fill each widget towards consistent sizes. - * For generating a widget array, resize step sizes are made consistent. + *
  3. A top-down sweep by recursively calling NWidgetBase::AssignSizePosition() with #ST_ARRAY or #ST_SMALLEST to make the smallest sizes consistent over + * the entire tree, and to assign the top-left (\e pos_x, \e pos_y) position of each widget in the tree. This step uses \e fill_x and \e fill_y at each + * node in the tree to decide how to fill each widget towards consistent sizes. Also the current size (\e current_x and \e current_y) is set. + * For generating a widget array (#ST_ARRAY), resize step sizes are made consistent. + *
  4. After initializing the smallest size in the widget tree with #ST_SMALLEST, the tree can be resized (the current size modified) by calling + * NWidgetBase::AssignSizePosition() at the root with #ST_RESIZE and the new size of the window. For proper functioning, the new size should be the smallest + * size + a whole number of resize steps in both directions (ie you can only resize in steps of length resize_{x,y} from smallest_{x,y}). *
+ * After the second step, the current size of the widgets are set to the smallest size. + * + * To resize, perform the last step with the new window size. This can be done as often as desired. + * When the smallest size of at least one widget changes, the whole procedure has to be redone from the start. * * @see NestedWidgetParts */ @@ -805,31 +812,59 @@ NWidgetBase::NWidgetBase(WidgetType tp) : ZeroedMemoryAllocator() /** * @fn int NWidgetBase::SetupSmallestSize() - * @brief Compute smallest size needed by the widget. + * Compute smallest size needed by the widget. * * The smallest size of a widget is the smallest size that a widget needs to * display itself properly. * In addition, filling and resizing of the widget are computed. - * @return Biggest index in the widget array of all child widgets. + * @return Biggest index in the widget array of all child widgets (\c -1 if no index is used). * * @note After the computation, the results can be queried by accessing the data members of the widget. */ /** - * @fn void NWidgetBase::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) - * @brief Assign size and position to the widget. + * @fn void NWidgetBase::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) + * Assign size and position to the widget. + * @param sizing Type of resizing to perform. * @param x Horizontal offset of the widget relative to the left edge of the window. * @param y Vertical offset of the widget relative to the top edge of the window. * @param given_width Width allocated to the widget. * @param given_height Height allocated to the widget. - * @param allow_resize_x Horizontal resizing is allowed. - * @param allow_resize_y Vertical resizing is allowed. + * @param allow_resize_x Horizontal resizing is allowed (only used when \a sizing is #ST_ARRAY). + * @param allow_resize_y Vertical resizing is allowed (only used when \a sizing in #ST_ARRAY). * @param rtl Adapt for right-to-left languages (position contents of horizontal containers backwards). + * + * Afterwards, \e pos_x and \e pos_y contain the top-left position of the widget, \e smallest_x and \e smallest_y contain + * the smallest size such that all widgets of the window are consistent, and \e current_x and \e current_y contain the current size. + */ + +/** + * Store size and position. + * @param sizing Type of resizing to perform. + * @param x Horizontal offset of the widget relative to the left edge of the window. + * @param y Vertical offset of the widget relative to the top edge of the window. + * @param given_width Width allocated to the widget. + * @param given_height Height allocated to the widget. + * @param allow_resize_x Horizontal resizing is allowed (only used when \a sizing is #ST_ARRAY). + * @param allow_resize_y Vertical resizing is allowed (only used when \a sizing in #ST_ARRAY). */ +inline void NWidgetBase::StoreSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y) +{ + this->pos_x = x; + this->pos_y = y; + if (sizing == ST_ARRAY || sizing == ST_SMALLEST) { + this->smallest_x = given_width; + this->smallest_y = given_height; + } + this->current_x = given_width; + this->current_y = given_height; + if (sizing == ST_ARRAY && !allow_resize_x) this->resize_x = 0; + if (sizing == ST_ARRAY && !allow_resize_y) this->resize_y = 0; +} /** * @fn void NWidgetBase::StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl) - * @brief Store all child widgets with a valid index into the widget array. + * Store all child widgets with a valid index into the widget array. * @param widgets Widget array to store the nested widgets in. * @param length Length of the array. * @param left_moving Left edge of the widget may move due to resizing (right edge if \a rtl). @@ -885,14 +920,9 @@ void NWidgetResizeBase::SetResize(uint resize_x, uint resize_y) this->resize_y = resize_y; } -void NWidgetResizeBase::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) +void NWidgetResizeBase::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) { - this->pos_x = x; - this->pos_y = y; - this->smallest_x = given_width; - this->smallest_y = given_height; - if (!allow_resize_x) this->resize_x = 0; - if (!allow_resize_y) this->resize_y = 0; + StoreSizePosition(sizing, x, y, given_width, given_height, allow_resize_x, allow_resize_y); } /** @@ -1077,27 +1107,21 @@ int NWidgetStacked::SetupSmallestSize() return biggest_index; } -void NWidgetStacked::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) +void NWidgetStacked::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) { assert(given_width >= this->smallest_x && given_height >= this->smallest_y); - - this->pos_x = x; - this->pos_y = y; - this->smallest_x = given_width; - this->smallest_y = given_height; - if (!allow_resize_x) this->resize_x = 0; - if (!allow_resize_y) this->resize_y = 0; + StoreSizePosition(sizing, x, y, given_width, given_height, allow_resize_x, allow_resize_y); for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { - uint hor_step = child_wid->GetHorizontalStepSize(); + uint hor_step = child_wid->GetHorizontalStepSize(sizing); uint child_width = ComputeMaxSize(child_wid->smallest_x, given_width - child_wid->padding_left - child_wid->padding_right, hor_step); uint child_pos_x = (rtl ? child_wid->padding_right : child_wid->padding_left) + ComputeOffset(child_width, given_width - child_wid->padding_left - child_wid->padding_right); - uint vert_step = child_wid->GetVerticalStepSize(); + uint vert_step = child_wid->GetVerticalStepSize(sizing); uint child_height = ComputeMaxSize(child_wid->smallest_y, given_height - child_wid->padding_top - child_wid->padding_bottom, vert_step); uint child_pos_y = child_wid->padding_top + ComputeOffset(child_height, given_height - child_wid->padding_top - child_wid->padding_bottom); - child_wid->AssignSizePosition(x + child_pos_x, y + child_pos_y, child_width, child_height, (this->resize_x > 0), (this->resize_y > 0), rtl); + child_wid->AssignSizePosition(sizing, x + child_pos_x, y + child_pos_y, child_width, child_height, (this->resize_x > 0), (this->resize_y > 0), rtl); } } @@ -1170,51 +1194,69 @@ int NWidgetHorizontal::SetupSmallestSize() return biggest_index; } -void NWidgetHorizontal::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) +void NWidgetHorizontal::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) { assert(given_width >= this->smallest_x && given_height >= this->smallest_y); uint additional_length = given_width - this->smallest_x; // Additional width given to us. - this->pos_x = x; - this->pos_y = y; - this->smallest_x = given_width; - this->smallest_y = given_height; - if (!allow_resize_x) this->resize_x = 0; - if (!allow_resize_y) this->resize_y = 0; - - /* Count number of childs that would like a piece of the pie. */ + StoreSizePosition(sizing, x, y, given_width, given_height, allow_resize_x, allow_resize_y); + + /* In principle, the additional horizontal space is distributed evenly over the available resizable childs. Due to step sizes, this may not always be feasible. + * To make resizing work as good as possible, first childs with biggest step sizes are done. These may get less due to rounding down. + * This additional space is then given to childs with smaller step sizes. This will give a good result when resize steps of each child is a multiple + * of the child with the smallest non-zero stepsize. + * + * Since child sizes are computed out of order, positions cannot be calculated until all sizes are known. That means it is not possible to compute the child + * size and position, and directly call child->AssignSizePosition() with the computed values. + * Instead, computed child widths and heights are stored in child->current_x and child->current_y values. That is allowed, since this method overwrites those values + * then we call the child. + */ + + /* First loop: Find biggest stepsize, find number of childs that want a piece of the pie, handle vertical size for all childs, handle horizontal size for non-resizing childs. */ int num_changing_childs = 0; // Number of childs that can change size. - NWidgetBase *child_wid; - for (child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { - uint hor_step = child_wid->GetHorizontalStepSize(); - if (hor_step > 0) num_changing_childs++; + uint biggest_stepsize = 0; + for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { + uint hor_step = child_wid->GetHorizontalStepSize(sizing); + if (hor_step > 0) { + num_changing_childs++; + biggest_stepsize = max(biggest_stepsize, hor_step); + } else { + child_wid->current_x = child_wid->smallest_x; + } + + uint vert_step = child_wid->GetVerticalStepSize(sizing); + child_wid->current_y = ComputeMaxSize(child_wid->smallest_y, given_height - child_wid->padding_top - child_wid->padding_bottom, vert_step); } - /* Fill and position the child widgets. */ + /* Second loop: Allocate the additional horizontal space over the resizing childs, starting with the biggest resize steps. */ + while (biggest_stepsize > 0) { + uint next_biggest_stepsize = 0; + for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { + uint hor_step = child_wid->GetHorizontalStepSize(sizing); + if (hor_step > biggest_stepsize) continue; // Already done + if (hor_step == biggest_stepsize) { + uint increment = additional_length / num_changing_childs; + num_changing_childs--; + if (hor_step > 1) increment -= increment % hor_step; + child_wid->current_x = child_wid->smallest_x + increment; + continue; + } + next_biggest_stepsize = max(next_biggest_stepsize, hor_step); + } + biggest_stepsize = next_biggest_stepsize; + } + assert(num_changing_childs == 0); + + /* Third loop: Compute position and call the child. */ uint position = 0; // Place to put next child relative to origin of the container. allow_resize_x = (this->resize_x > 0); - child_wid = rtl ? this->tail : this->head; + NWidgetBase *child_wid = rtl ? this->tail : this->head; while (child_wid != NULL) { - assert(given_height >= child_wid->smallest_y + child_wid->padding_top + child_wid->padding_bottom); - - uint vert_step = child_wid->GetVerticalStepSize(); - uint child_height = ComputeMaxSize(child_wid->smallest_y, given_height - child_wid->padding_top - child_wid->padding_bottom, vert_step); - uint child_pos_y = child_wid->padding_top + ComputeOffset(child_height, given_height - child_wid->padding_top - child_wid->padding_bottom); + uint child_width = child_wid->current_x; + uint child_x = x + position + (rtl ? child_wid->padding_right : child_wid->padding_left); + uint child_y = y + child_wid->padding_top + ComputeOffset(child_wid->current_y, given_height - child_wid->padding_top - child_wid->padding_bottom); - /* Decide about horizontal sizing of the child. */ - uint hor_step = child_wid->GetHorizontalStepSize(); - uint child_width = child_wid->smallest_x; - if (hor_step > 0 && num_changing_childs > 0) { - /* Hand out a piece of the pie while compensating for rounding errors. */ - uint increment = additional_length / num_changing_childs; - if (hor_step > 1) increment -= increment % hor_step; - additional_length -= increment; - num_changing_childs--; - - child_width += increment; - } - - child_wid->AssignSizePosition(x + position + (rtl ? child_wid->padding_right : child_wid->padding_left), y + child_pos_y, child_width, child_height, allow_resize_x, (this->resize_y > 0), rtl); + child_wid->AssignSizePosition(sizing, child_x, child_y, child_width, child_wid->current_y, allow_resize_x, (this->resize_y > 0), rtl); position += child_width + child_wid->padding_right + child_wid->padding_left; if (child_wid->resize_x > 0) allow_resize_x = false; // Widget array allows only one child resizing @@ -1239,9 +1281,9 @@ NWidgetHorizontalLTR::NWidgetHorizontalLTR() : NWidgetHorizontal() this->type = NWID_HORIZONTAL_LTR; } -void NWidgetHorizontalLTR::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) +void NWidgetHorizontalLTR::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) { - NWidgetHorizontal::AssignSizePosition(x, y, given_width, given_height, allow_resize_x, allow_resize_y, false); + NWidgetHorizontal::AssignSizePosition(sizing, x, y, given_width, given_height, allow_resize_x, allow_resize_y, false); } void NWidgetHorizontalLTR::StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl) @@ -1291,49 +1333,61 @@ int NWidgetVertical::SetupSmallestSize() return biggest_index; } -void NWidgetVertical::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) +void NWidgetVertical::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) { assert(given_width >= this->smallest_x && given_height >= this->smallest_y); int additional_length = given_height - this->smallest_y; // Additional height given to us. - this->pos_x = x; - this->pos_y = y; - this->smallest_x = given_width; - this->smallest_y = given_height; - if (!allow_resize_x) this->resize_x = 0; - if (!allow_resize_y) this->resize_y = 0; + StoreSizePosition(sizing, x, y, given_width, given_height, allow_resize_x, allow_resize_y); + + /* Like the horizontal container, the vertical container also distributes additional height evenly, starting with the childs with the biggest resize steps. + * It also stores computed widths and heights into current_x and current_y values of the child. + */ - /* count number of childs that would like a piece of the pie. */ + /* First loop: Find biggest stepsize, find number of childs that want a piece of the pie, handle horizontal size for all childs, handle vertical size for non-resizing childs. */ int num_changing_childs = 0; // Number of childs that can change size. + uint biggest_stepsize = 0; for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { - uint vert_step = child_wid->GetVerticalStepSize(); - if (vert_step > 0) num_changing_childs++; + uint vert_step = child_wid->GetVerticalStepSize(sizing); + if (vert_step > 0) { + num_changing_childs++; + biggest_stepsize = max(biggest_stepsize, vert_step); + } else { + child_wid->current_y = child_wid->smallest_y; + } + + uint hor_step = child_wid->GetHorizontalStepSize(sizing); + child_wid->current_x = ComputeMaxSize(child_wid->smallest_x, given_width - child_wid->padding_left - child_wid->padding_right, hor_step); } - /* Fill and position the child widgets. */ + /* Second loop: Allocate the additional vertical space over the resizing childs, starting with the biggest resize steps. */ + while (biggest_stepsize > 0) { + uint next_biggest_stepsize = 0; + for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { + uint vert_step = child_wid->GetVerticalStepSize(sizing); + if (vert_step > biggest_stepsize) continue; // Already done + if (vert_step == biggest_stepsize) { + uint increment = additional_length / num_changing_childs; + num_changing_childs--; + if (vert_step > 1) increment -= increment % vert_step; + child_wid->current_y = child_wid->smallest_y + increment; + continue; + } + next_biggest_stepsize = max(next_biggest_stepsize, vert_step); + } + biggest_stepsize = next_biggest_stepsize; + } + assert(num_changing_childs == 0); + + /* Third loop: Compute position and call the child. */ uint position = 0; // Place to put next child relative to origin of the container. allow_resize_y = (this->resize_y > 0); for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) { - assert(given_width >= child_wid->smallest_x + child_wid->padding_left + child_wid->padding_right); + uint child_x = x + (rtl ? child_wid->padding_right : child_wid->padding_left) + + ComputeOffset(child_wid->current_x, given_width - child_wid->padding_left - child_wid->padding_right); + uint child_height = child_wid->current_y; - uint hor_step = child_wid->GetHorizontalStepSize(); - uint child_width = ComputeMaxSize(child_wid->smallest_x, given_width - child_wid->padding_left - child_wid->padding_right, hor_step); - uint child_pos_x = (rtl ? child_wid->padding_right : child_wid->padding_left) + ComputeOffset(child_width, given_width - child_wid->padding_left - child_wid->padding_right); - - /* Decide about vertical filling of the child. */ - uint vert_step = child_wid->GetVerticalStepSize(); - uint child_height = child_wid->smallest_y; - if (vert_step > 0 && num_changing_childs > 0) { - /* Hand out a piece of the pie while compensating for rounding errors. */ - uint increment = additional_length / num_changing_childs; - if (vert_step > 1) increment -= increment % vert_step; - additional_length -= increment; - num_changing_childs--; - - child_height += increment; - } - - child_wid->AssignSizePosition(x + child_pos_x, y + position + child_wid->padding_top, child_width, child_height, (this->resize_x > 0), allow_resize_y, rtl); + child_wid->AssignSizePosition(sizing, child_x, y + position + child_wid->padding_top, child_wid->current_x, child_height, (this->resize_x > 0), allow_resize_y, rtl); position += child_height + child_wid->padding_top + child_wid->padding_bottom; if (child_wid->resize_y > 0) allow_resize_y = false; // Widget array allows only one child resizing } @@ -1446,20 +1500,15 @@ int NWidgetBackground::SetupSmallestSize() return biggest_index; } -void NWidgetBackground::AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) +void NWidgetBackground::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) { - this->pos_x = x; - this->pos_y = y; - this->smallest_x = given_width; - this->smallest_y = given_height; - if (!allow_resize_x) this->resize_x = 0; - if (!allow_resize_y) this->resize_y = 0; + StoreSizePosition(sizing, x, y, given_width, given_height, allow_resize_x, allow_resize_y); if (this->child != NULL) { uint x_offset = (rtl ? this->child->padding_right : this->child->padding_left); uint width = given_width - this->child->padding_right - this->child->padding_left; uint height = given_height - this->child->padding_top - this->child->padding_bottom; - this->child->AssignSizePosition(x + x_offset, y + this->child->padding_top, width, height, (this->resize_x > 0), (this->resize_y > 0), rtl); + this->child->AssignSizePosition(sizing, x + x_offset, y + this->child->padding_top, width, height, (this->resize_x > 0), (this->resize_y > 0), rtl); } } @@ -1569,7 +1618,7 @@ Widget *InitializeNWidgets(NWidgetBase *nwid, bool rtl) { /* Initialize nested widgets. */ int biggest_index = nwid->SetupSmallestSize(); - nwid->AssignSizePosition(0, 0, nwid->smallest_x, nwid->smallest_y, (nwid->resize_x > 0), (nwid->resize_y > 0), rtl); + nwid->AssignSizePosition(ST_ARRAY, 0, 0, nwid->smallest_x, nwid->smallest_y, (nwid->resize_x > 0), (nwid->resize_y > 0), rtl); /* Construct a local widget array and initialize all its types to #WWT_LAST. */ Widget *widgets = MallocT(biggest_index + 2); diff --git a/src/widget_type.h b/src/widget_type.h index 888d9052d..3ddc33de6 100644 --- a/src/widget_type.h +++ b/src/widget_type.h @@ -144,8 +144,17 @@ struct Widget { StringID tooltips; ///< Tooltips that are shown when rightclicking on a widget }; +/** Different forms of sizing nested widgets, using NWidgetBase::AssignSizePosition() */ +enum SizingType { + ST_ARRAY, ///< Initialize nested widget tree to generate a #Widget * array. + ST_SMALLEST, ///< Initialize nested widget tree to smallest size. Also updates \e current_x and \e current_y. + ST_RESIZE, ///< Resize the nested widget tree. +}; + /** * Baseclass for nested widgets. + * @invariant After initialization, \f$current\_x = smallest\_x + n * resize\_x, for n \geq 0\f$. + * @invariant After initialization, \f$current\_y = smallest\_y + m * resize\_y, for m \geq 0\f$. * @ingroup NestedWidgets */ class NWidgetBase : public ZeroedMemoryAllocator { @@ -153,7 +162,7 @@ public: NWidgetBase(WidgetType tp); virtual int SetupSmallestSize() = 0; - virtual void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) = 0; + virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl) = 0; virtual void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl) = 0; @@ -172,8 +181,8 @@ public: this->padding_left = left; }; - inline uint GetHorizontalStepSize() const; - inline uint GetVerticalStepSize() const; + inline uint GetHorizontalStepSize(SizingType sizing) const; + inline uint GetVerticalStepSize(SizingType sizing) const; WidgetType type; ///< Type of the widget / nested widget. bool fill_x; ///< Allow horizontal filling from initial size. @@ -185,6 +194,9 @@ public: */ uint smallest_x; ///< Smallest horizontal size of the widget in a filled window. uint smallest_y; ///< Smallest vertical size of the widget in a filled window. + /* Current widget size (that is, after resizing). */ + uint current_x; ///< Current horizontal size (after resizing). + uint current_y; ///< Current vertical size (after resizing). uint pos_x; ///< Horizontal position of top-left corner of the widget in the window. uint pos_y; ///< Vertical position of top-left corner of the widget in the window. @@ -196,17 +208,28 @@ public: uint8 padding_right; ///< Paddings added to the right of the widget. Managed by parent container widget. uint8 padding_bottom; ///< Paddings added to the bottom of the widget. Managed by parent container widget. uint8 padding_left; ///< Paddings added to the left of the widget. Managed by parent container widget. + +protected: + inline void StoreSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y); }; -/** Get the horizontal sizing step. */ -inline uint NWidgetBase::GetHorizontalStepSize() const +/** + * Get the horizontal sizing step. + * @param sizing Type of resize being performed. + */ +inline uint NWidgetBase::GetHorizontalStepSize(SizingType sizing) const { + if (sizing == ST_RESIZE) return this->resize_x; return this->fill_x ? 1 : 0; } -/** Get the vertical sizing step. */ -inline uint NWidgetBase::GetVerticalStepSize() const +/** + * Get the vertical sizing step. + * @param sizing Type of resize being performed. + */ +inline uint NWidgetBase::GetVerticalStepSize(SizingType sizing) const { + if (sizing == ST_RESIZE) return this->resize_y; return this->fill_y ? 1 : 0; } @@ -220,7 +243,7 @@ public: void SetFill(bool fill_x, bool fill_y); void SetResize(uint resize_x, uint resize_y); - void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); + void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); uint min_x; ///< Minimal horizontal size of only this widget. uint min_y; ///< Minimal vertical size of only this widget. @@ -269,7 +292,7 @@ public: NWidgetStacked(WidgetType tp); int SetupSmallestSize(); - void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); + void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl); }; @@ -293,7 +316,7 @@ public: NWidgetHorizontal(); int SetupSmallestSize(); - void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); + void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl); }; @@ -304,7 +327,7 @@ class NWidgetHorizontalLTR : public NWidgetHorizontal { public: NWidgetHorizontalLTR(); - void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); + void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl); }; @@ -316,7 +339,7 @@ public: NWidgetVertical(); int SetupSmallestSize(); - void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); + void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl); }; @@ -343,7 +366,7 @@ public: void SetPIP(uint8 pip_pre, uint8 pip_inter, uint8 pip_post); int SetupSmallestSize(); - void AssignSizePosition(uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); + void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl); void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl); private: -- cgit v1.2.3-70-g09d2