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(svn r15872) -Codechange: add paddings for widgets, this makes writing new widget arrays less cumbersome.

release/1.0
yexo 2009-03-28 11:13:39 +00:00
parent b64fc3ccfa
commit e00dc41903
2 changed files with 142 additions and 26 deletions
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76
src/widget.cpp
View File

@ -876,12 +876,19 @@ int NWidgetHorizontal::ComputeMinimalSize()
this->resize_x = 0; // smallest non-zero child widget resize step.
this->resize_y = 1; // smallest common child resize step
if (this->head != NULL) this->head->padding_left += this->pip_pre;
for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
int idx = child_wid->ComputeMinimalSize();
biggest_index = max(biggest_index, idx);
this->min_x += child_wid->min_x;
this->min_y = max(this->min_y, child_wid->min_y);
if (child_wid->next != NULL) {
child_wid->padding_right += this->pip_inter;
} else {
child_wid->padding_right += this->pip_post;
}
this->min_x += child_wid->min_x + child_wid->padding_left + child_wid->padding_right;
this->min_y = max(this->min_y, child_wid->min_y + child_wid->padding_top + child_wid->padding_bottom);
this->fill_x |= child_wid->fill_x;
this->fill_y &= child_wid->fill_y;
@ -890,6 +897,8 @@ int NWidgetHorizontal::ComputeMinimalSize()
}
this->resize_y = LeastCommonMultiple(this->resize_y, child_wid->resize_y);
}
/* We need to zero the PIP settings so we can re-initialize the tree. */
this->pip_pre = this->pip_inter = this->pip_post = 0;
return biggest_index;
}
@ -918,15 +927,16 @@ void NWidgetHorizontal::AssignMinimalPosition(uint x, uint y, uint given_width,
allow_resize_x = (this->resize_x > 0);
child_wid = rtl ? this->tail : this->head;
while (child_wid != NULL) {
assert(given_height >= child_wid->min_y + child_wid->padding_top + child_wid->padding_bottom);
/* Decide about vertical filling of the child. */
uint child_height; // Height of the child widget.
uint child_pos_y; // Vertical position of child relative to the top of the container.
if (child_wid->fill_y) {
child_height = given_height;
child_pos_y = 0;
child_height = given_height - child_wid->padding_top - child_wid->padding_bottom;
child_pos_y = child_wid->padding_top;
} else {
child_height = child_wid->min_y;
child_pos_y = (given_height - child_height) / 2;
child_pos_y = (given_height - child_wid->padding_top - child_wid->padding_bottom - child_height) / 2 + child_wid->padding_top;
}
/* Decide about horizontal filling of the child. */
@ -941,8 +951,8 @@ void NWidgetHorizontal::AssignMinimalPosition(uint x, uint y, uint given_width,
child_width += increment;
}
child_wid->AssignMinimalPosition(x + position, y + child_pos_y, child_width, child_height, allow_resize_x, (this->resize_y > 0), rtl);
position += child_width;
child_wid->AssignMinimalPosition(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);
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
child_wid = rtl ? child_wid->prev : child_wid->next;
@ -989,12 +999,19 @@ int NWidgetVertical::ComputeMinimalSize()
this->resize_x = 1; // smallest common child resize step
this->resize_y = 0; // smallest non-zero child widget resize step.
if (this->head != NULL) this->head->padding_top += this->pip_pre;
for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
int idx = child_wid->ComputeMinimalSize();
biggest_index = max(biggest_index, idx);
this->min_y += child_wid->min_y;
this->min_x = max(this->min_x, child_wid->min_x);
if (child_wid->next != NULL) {
child_wid->padding_bottom += this->pip_inter;
} else {
child_wid->padding_bottom += this->pip_post;
}
this->min_y += child_wid->min_y + child_wid->padding_top + child_wid->padding_bottom;
this->min_x = max(this->min_x, child_wid->min_x + child_wid->padding_left + child_wid->padding_right);
this->fill_y |= child_wid->fill_y;
this->fill_x &= child_wid->fill_x;
@ -1003,6 +1020,8 @@ int NWidgetVertical::ComputeMinimalSize()
}
this->resize_x = LeastCommonMultiple(this->resize_x, child_wid->resize_x);
}
/* We need to zero the PIP settings so we can re-initialize the tree. */
this->pip_pre = this->pip_inter = this->pip_post = 0;
return biggest_index;
}
@ -1029,15 +1048,16 @@ void NWidgetVertical::AssignMinimalPosition(uint x, uint y, uint given_width, ui
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->min_x + child_wid->padding_left + child_wid->padding_right);
/* Decide about horizontal filling of the child. */
uint child_width; // Width of the child widget.
uint child_pos_x; // Horizontal position of child relative to the left of the container.
if (child_wid->fill_x) {
child_width = given_width;
child_pos_x = 0;
child_width = given_width - child_wid->padding_left - child_wid->padding_right;
child_pos_x = (rtl ? child_wid->padding_right : child_wid->padding_left);
} else {
child_width = child_wid->min_x;
child_pos_x = (given_width - child_width) / 2;
child_pos_x = (given_width - child_wid->padding_left - child_wid->padding_right - child_width) / 2 + (rtl ? child_wid->padding_right : child_wid->padding_left);
}
/* Decide about vertical filling of the child. */
@ -1052,8 +1072,8 @@ void NWidgetVertical::AssignMinimalPosition(uint x, uint y, uint given_width, ui
child_height += increment;
}
child_wid->AssignMinimalPosition(x + child_pos_x, y + position, child_width, child_height, (this->resize_x > 0), allow_resize_y, rtl);
position += child_height;
child_wid->AssignMinimalPosition(x + child_pos_x, y + position + child_wid->padding_top, child_width, 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
}
}
@ -1153,7 +1173,12 @@ void NWidgetBackground::AssignMinimalPosition(uint x, uint y, uint given_width,
if (!allow_resize_x) this->resize_x = 0;
if (!allow_resize_y) this->resize_y = 0;
if (this->child != NULL) this->child->AssignMinimalPosition(x, y, given_width, given_height, (this->resize_x > 0), (this->resize_y > 0), rtl);
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->AssignMinimalPosition(x + x_offset, y + this->child->padding_top, width, height, (this->resize_x > 0), (this->resize_y > 0), rtl);
}
}
void NWidgetBackground::StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl)
@ -1438,6 +1463,27 @@ static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest)
break;
}
case WPT_PADDING: {
NWidgetBase *nwb = *dest;
if (nwb != NULL) {
nwb->padding_top = parts->u.padding.top;
nwb->padding_right = parts->u.padding.right;
nwb->padding_bottom = parts->u.padding.bottom;
nwb->padding_left = parts->u.padding.left;
}
break;
}
case WPT_PIPSPACE: {
NWidgetContainer *nwc = dynamic_cast<NWidgetContainer *>(*dest);
if (nwc != NULL) {
nwc->pip_pre = parts->u.pip.pre;
nwc->pip_inter = parts->u.pip.inter;
nwc->pip_post = parts->u.pip.post;
}
break;
}
case WPT_ENDCONTAINER:
return num_used;

92
src/widget_type.h
View File

@ -109,6 +109,8 @@ enum WidgetType {
WPT_FILL, ///< Widget part for specifying fill.
WPT_DATATIP, ///< Widget part for specifying data and tooltip.
WPT_DATATIP_PTR, ///< Widget part for specifying data and tooltip via a pointer.
WPT_PADDING, ///< Widget part for specifying a padding.
WPT_PIPSPACE, ///< Widget part for specifying pre/inter/post space for containers.
WPT_ENDCONTAINER, ///< Widget part to denote end of a container.
/* Pushable window widget types. */
@ -151,19 +153,24 @@ public:
virtual void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl) = 0;
WidgetType type; ///< Type of the widget / nested widget.
uint min_x; ///< Minimal horizontal size.
uint min_y; ///< Minimal vertical size.
bool fill_x; ///< Allow horizontal filling from initial size.
bool fill_y; ///< Allow vertical filling from initial size.
uint resize_x; ///< Horizontal resize step (\c 0 means not resizable).
uint resize_y; ///< Vertical resize step (\c 0 means not resizable).
WidgetType type; ///< Type of the widget / nested widget.
uint min_x; ///< Minimal horizontal size.
uint min_y; ///< Minimal vertical size.
bool fill_x; ///< Allow horizontal filling from initial size.
bool fill_y; ///< Allow vertical filling from initial size.
uint resize_x; ///< Horizontal resize step (\c 0 means not resizable).
uint resize_y; ///< Vertical resize step (\c 0 means not resizable).
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.
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.
NWidgetBase *next; ///< Pointer to next widget in container. Managed by parent container widget.
NWidgetBase *prev; ///< Pointer to previous widget in container. Managed by parent container widget.
NWidgetBase *next; ///< Pointer to next widget in container. Managed by parent container widget.
NWidgetBase *prev; ///< Pointer to previous widget in container. Managed by parent container widget.
uint8 padding_top; ///< Paddings added to the top of the widget. Managed by parent container widget.
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.
};
/** Base class for a resizable nested widget. */
@ -202,6 +209,10 @@ public:
~NWidgetContainer();
void Add(NWidgetBase *wid);
uint8 pip_pre; ///< Amount of space before first widget.
uint8 pip_inter; ///< Amount of space between widgets.
uint8 pip_post; ///< Amount of space after last widget.
protected:
NWidgetBase *head; ///< Pointer to first widget in container.
NWidgetBase *tail; ///< Pointer to last widget in container.
@ -288,6 +299,16 @@ struct NWidgetPartWidget {
int16 index; ///< Widget index in the widget array.
};
/** Widget part for storing padding. */
struct NWidgetPartPaddings {
uint8 top, right, bottom, left; ///< Paddings for all directions.
};
/** Widget part for storing pre/inter/post spaces. */
struct NWidgetPartPIP {
uint8 pre, inter, post; ///< Amount of space before/between/after child widgets.
};
/** Partial widget specification to allow NWidgets to be written nested. */
struct NWidgetPart {
WidgetType type; ///< Type of the part. @see NWidgetPartType.
@ -297,6 +318,8 @@ struct NWidgetPart {
NWidgetPartDataTip data_tip; ///< Part with a data/tooltip.
NWidgetPartDataTip *datatip_ptr; ///< Part with a pointer to data/tooltip.
NWidgetPartWidget widget; ///< Part with a start of a widget.
NWidgetPartPaddings padding; ///< Part with paddings.
NWidgetPartPIP pip; ///< Part with pre/inter/post spaces.
} u;
};
@ -418,6 +441,53 @@ static inline NWidgetPart SetDataTip(NWidgetPartDataTip *ptr)
return part;
}
/**
* Widget part function for setting a padding.
* @param top The padding above the widget.
* @param right The padding right of the widget.
* @param bottom The padding below the widget.
* @param left The padding left of the widget.
*/
static inline NWidgetPart SetPadding(uint8 top, uint8 right, uint8 bottom, uint8 left)
{
NWidgetPart part;
part.type = WPT_PADDING;
part.u.padding.top = top;
part.u.padding.right = right;
part.u.padding.bottom = bottom;
part.u.padding.left = left;
return part;
}
/**
* Widget part function for setting a padding.
* @param padding The padding to use for all directions.
*/
static inline NWidgetPart SetPadding(uint8 padding)
{
return SetPadding(padding, padding, padding, padding);
}
/**
* Widget part function for setting a pre/inter/post spaces.
* @param pre The amount of space before the first widget.
* @param inter The amount of space between widgets.
* @param post The amount of space after the last widget.
*/
static inline NWidgetPart SetPIP(uint8 pre, uint8 inter, uint8 post)
{
NWidgetPart part;
part.type = WPT_PIPSPACE;
part.u.pip.pre = pre;
part.u.pip.inter = inter;
part.u.pip.post = post;
return part;
}
/**
* Widget part function for starting a new 'real' widget.
* @param tp Type of the new nested widget.