86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
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#ifndef __LAYOUT_H
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#define __LAYOUT_H
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typedef enum {
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CSS_FLEX_DIRECTION_COLUMN = 0,
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CSS_FLEX_DIRECTION_ROW
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} css_flex_direction_t;
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typedef enum {
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CSS_JUSTIFY_FLEX_START = 0,
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CSS_JUSTIFY_CENTER,
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CSS_JUSTIFY_FLEX_END,
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CSS_JUSTIFY_SPACE_BETWEEN,
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CSS_JUSTIFY_SPACE_AROUND
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} css_justify_t;
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// Note: auto is only a valid value for alignSelf. It is NOT a valid value for
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// alignItems.
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typedef enum {
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CSS_ALIGN_AUTO = 0,
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CSS_ALIGN_FLEX_START,
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CSS_ALIGN_CENTER,
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CSS_ALIGN_FLEX_END,
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CSS_ALIGN_STRETCH
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} css_align_t;
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typedef enum {
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CSS_FLEX_NONE = 0,
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CSS_FLEX_ONE
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} css_flex_t;
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// Note: left and top are shared between position[2] and position[4], so
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// they have to be before right and bottom.
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typedef enum {
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CSS_LEFT = 0,
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CSS_TOP,
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CSS_RIGHT,
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CSS_BOTTOM
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} css_position_t;
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typedef enum {
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CSS_WIDTH = 0,
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CSS_HEIGHT
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} css_dimension_t;
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typedef struct {
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float position[2];
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float dimensions[2];
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} css_layout_t;
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typedef struct {
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css_flex_direction_t flex_direction;
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css_justify_t justify_content;
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css_align_t align_items;
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css_align_t align_self;
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css_flex_t flex;
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float margin[4];
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float padding[4];
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float position[4];
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float dimensions[2];
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} css_style_t;
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typedef struct css_node {
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css_style_t style;
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css_layout_t layout;
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struct css_node *children;
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int children_count;
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} css_node_t;
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// Lifecycle of nodes and children
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css_node_t *new_css_node();
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void init_css_node_children(css_node_t *node, int children_count);
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void free_css_node(css_node_t *node);
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// Print utilities
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void print_style(css_node_t *node, int level);
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void print_layout(css_node_t *node, int level);
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// Function that computes the layout!
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void layoutNode(css_node_t *node);
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#endif
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