/**
* @brief Update the scrollable view
*/
static void UI_MaterialEditorNodeUpdateView (uiNode_t *node, qboolean reset)
{
const int imageCount = UI_MaterialEditorNodeGetImageCount(node);
const int imagesPerLine = (node->size[0] - node->padding) / (IMAGE_WIDTH + node->padding);
const int imagesPerColumn = (node->size[1] - node->padding) / (IMAGE_WIDTH + node->padding);
/* update view */
if (imagesPerLine > 0 && imagesPerColumn > 0) {
const int pos = reset ? 0 : -1;
UI_AbstractScrollableNodeSetY(node, pos, imagesPerColumn, imageCount / imagesPerLine);
} else
UI_AbstractScrollableNodeSetY(node, 0, 0, 0);
}
/**
* @brief Scroll the Y scroll with a relative position, and call event if need
* @return True, if something have change
*/
qboolean UI_AbstractScrollableNodeScrollY (uiNode_t *node, int offset)
{
assert(UI_NodeInstanceOf(node, "abstractscrollable"));
return UI_AbstractScrollableNodeSetY(node, EXTRADATA(node).scrollY.viewPos + offset, -1, -1);
}
/**
* @note fullSize is bigger than the "end" position. But the function will clamp it right
*/
static void UI_AbstractScrollableNodeMoveEnd (uiNode_t *node, const uiCallContext_t *context) {
UI_AbstractScrollableNodeSetY(node, EXTRADATA(node).scrollY.fullSize, -1, -1);
}
static void UI_AbstractScrollableNodeMoveHome (uiNode_t *node, const uiCallContext_t *context) {
UI_AbstractScrollableNodeSetY(node, 0, -1, -1);
}
static void UI_AbstractScrollableNodeMoveDown (uiNode_t *node, const uiCallContext_t *context) {
UI_AbstractScrollableNodeSetY(node, EXTRADATA(node).scrollY.viewPos + 1, -1, -1);
}
/**
* @note pos == -1 is a reserved value, that why we clamp the value
*/
static void UI_AbstractScrollableNodePageUp (uiNode_t *node, const uiCallContext_t *context) {
const int pos = EXTRADATA(node).scrollY.viewPos - 10;
UI_AbstractScrollableNodeSetY(node, (pos >= 0)?pos:0, -1, -1);
}
/**
* @brief Handles line breaks and drawing for shared data text
* @param[in] node The context node
* @param[in] list The text list to draw
*/
static void UI_TextLineNodeDrawText (uiNode_t* node, const linkedList_t* list)
{
vec4_t colorHover;
vec4_t colorSelectedHover;
int count; /* variable x position */
const char *font = UI_GetFontFromNode(node);
vec2_t pos;
int currentY;
int viewSizeY;
int lineHeight;
int maxHeight;
lineHeight = EXTRADATA(node).lineHeight;
if (lineHeight == 0)
lineHeight = UI_FontGetHeight(font);
if (UI_AbstractScrollableNodeIsSizeChange(node))
viewSizeY = node->size[1] / lineHeight;
else
viewSizeY = EXTRADATA(node).super.scrollY.viewSize;
/* text box */
UI_GetNodeAbsPos(node, pos);
pos[0] += node->padding;
pos[1] += node->padding;
/* prepare colors */
VectorScale(node->color, 0.8, colorHover);
colorHover[3] = node->color[3];
VectorScale(node->selectedColor, 0.8, colorSelectedHover);
colorSelectedHover[3] = node->selectedColor[3];
/* skip lines over the scroll */
count = 0;
while (list && count < EXTRADATA(node).super.scrollY.viewPos) {
list = list->next;
count++;
}
currentY = pos[1];
maxHeight = currentY + node->size[1] - node->padding - node->padding - node->padding - lineHeight;
while (list) {
const int width = node->size[0] - node->padding - node->padding;
const char* text = (const char*) list->data;
if (currentY > maxHeight)
break;
/* highlight selected line */
if (count == EXTRADATA(node).textLineSelected && EXTRADATA(node).textLineSelected >= 0)
R_Color(node->selectedColor);
else
R_Color(node->color);
/* highlight line under mouse */
if (node->state && count == EXTRADATA(node).lineUnderMouse) {
if (count == EXTRADATA(node).textLineSelected && EXTRADATA(node).textLineSelected >= 0)
R_Color(colorSelectedHover);
else
R_Color(colorHover);
}
UI_DrawStringInBox(font, node->contentAlign, pos[0], currentY, width, lineHeight, text, LONGLINES_PRETTYCHOP);
/* next entries' position */
currentY += lineHeight;
list = list->next;
count++;
}
/* count all elements */
while (list) {
list = list->next;
count++;
}
/* update scroll status */
UI_AbstractScrollableNodeSetY(node, -1, viewSizeY, count);
R_Color(NULL);
}
