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authorzuu <zuu@openttd.org>2013-09-13 21:01:19 +0000
committerzuu <zuu@openttd.org>2013-09-13 21:01:19 +0000
commite2c618eabaa951249ffb52fa2f3ce7db8e950af9 (patch)
treee6a0d8477441f9e588ad9c75d63c2c260b2d8c4a
parent9e30dda7206361c130079ca994ad104d17ab7459 (diff)
downloadopenttd-e2c618eabaa951249ffb52fa2f3ce7db8e950af9.tar.xz
(svn r25768) -Fix [FS#5617] (r25344): Story Book text elements that use font size modifiers (eg {BIG_FONT}) caused problem with content height calculation. Solution: switch to pixel based content height instead of computing all heights as multiples of line heights.
-rw-r--r--src/story_gui.cpp75
1 files changed, 37 insertions, 38 deletions
diff --git a/src/story_gui.cpp b/src/story_gui.cpp
index 7d9790e37..7ff268984 100644
--- a/src/story_gui.cpp
+++ b/src/story_gui.cpp
@@ -177,7 +177,7 @@ protected:
this->story_page_elements.ForceRebuild();
this->BuildStoryPageElementList();
- this->vscroll->SetCount(this->CountLines());
+ this->vscroll->SetCount(this->GetContentHeight());
this->SetWidgetDirty(WID_SB_SCROLLBAR);
this->SetWidgetDirty(WID_SB_SEL_PAGE);
this->SetWidgetDirty(WID_SB_PAGE_PANEL);
@@ -268,24 +268,24 @@ protected:
}
/**
- * Counts how many lines that are used by Date and Title
+ * Counts how many pixels of height that are used by Date and Title
* (excluding marginal after Title, as each body element has
* an empty row before the elment).
* @param max_width Available width to display content.
- * @return the number of lines.
+ * @return the height in pixels.
*/
- uint CountHeadLines(int max_width)
+ uint GetHeadHeight(int max_width) const
{
StoryPage *page = this->GetSelPage();
if (page == NULL) return 0;
- int num_lines = 0;
+ int height = 0;
/* Title lines */
- num_lines += 1; // Date always use exactly one line.
+ height += FONT_HEIGHT_NORMAL; // Date always use exactly one line.
SetDParamStr(0, page->title != NULL ? page->title : this->selected_generic_title);
- num_lines += GetStringLineCount(STR_STORY_BOOK_TITLE, max_width);
+ height += GetStringHeight(STR_STORY_BOOK_TITLE, max_width);
- return num_lines;
+ return height;
}
/**
@@ -310,25 +310,23 @@ protected:
}
/**
- * Count the number of lines used by a given page element.
+ * Get the height in pixels used by a page element.
* @param pe The story page element.
* @param max_width Available width to display content.
- * @return the number of lines.
+ * @return the height in pixels.
*/
- uint CountPageElementLines(const StoryPageElement &pe, int max_width)
+ uint GetPageElementHeight(const StoryPageElement &pe, int max_width)
{
switch (pe.type) {
case SPET_TEXT:
SetDParamStr(0, pe.text);
- return GetStringLineCount(STR_BLACK_RAW_STRING, max_width);
+ return GetStringHeight(STR_BLACK_RAW_STRING, max_width);
break;
case SPET_GOAL:
case SPET_LOCATION: {
Dimension sprite_dim = GetSpriteSize(GetPageElementSprite(pe));
- int line_height = FONT_HEIGHT_NORMAL;
- if (line_height == 0) return 1;
- return max((uint)1, sprite_dim.height / (uint)line_height);
+ return sprite_dim.height;
break;
}
default:
@@ -337,27 +335,28 @@ protected:
}
/**
- * Count the number of lines in this window.
- * @return the number of lines.
+ * Get the total height of the content displayed
+ * in this window.
+ * @return the height in pixels
*/
- uint CountLines()
+ uint GetContentHeight()
{
StoryPage *page = this->GetSelPage();
if (page == NULL) return 0;
int max_width = GetAvailablePageContentWidth();
+ uint element_vertical_dist = FONT_HEIGHT_NORMAL;
- /* Head lines */
- int num_lines = CountHeadLines(max_width);
+ /* Head */
+ uint height = GetHeadHeight(max_width);
- /* Body lines */
+ /* Body */
for (const StoryPageElement **iter = this->story_page_elements.Begin(); iter != this->story_page_elements.End(); iter++) {
const StoryPageElement *pe = *iter;
- num_lines += 1; // For the space between previous element and current element.
-
- num_lines += CountPageElementLines(*pe, max_width);
+ height += element_vertical_dist;
+ height += GetPageElementHeight(*pe, max_width);
}
- return num_lines;
+ return height;
}
/**
@@ -373,7 +372,7 @@ protected:
void DrawActionElement(int &y_offset, int width, int line_height, SpriteID action_sprite) const
{
Dimension sprite_dim = GetSpriteSize(action_sprite);
- uint element_height = max((uint)1, sprite_dim.height / (uint)line_height) * line_height;
+ uint element_height = max(sprite_dim.height, (uint)line_height);
uint sprite_top = y_offset + (element_height - sprite_dim.height) / 2;
uint text_top = y_offset + (element_height - line_height) / 2;
@@ -417,6 +416,7 @@ public:
{
this->CreateNestedTree();
this->vscroll = this->GetScrollbar(WID_SB_SCROLLBAR);
+ this->vscroll->SetStepSize(FONT_HEIGHT_NORMAL);
/* Initalize page sort. */
this->story_pages.SetSortFuncs(StoryBookWindow::page_sorter_funcs);
@@ -499,7 +499,7 @@ public:
/* Draw content (now coordinates given to Draw** are local to the new clipping region). */
int line_height = FONT_HEIGHT_NORMAL;
- int y_offset = - this->vscroll->GetPosition() * line_height;
+ int y_offset = - this->vscroll->GetPosition();
/* Date */
SetDParam(0, page->date);
@@ -579,8 +579,6 @@ public:
}
case WID_SB_PAGE_PANEL: {
- resize->height = d.height;
-
d.height *= 5;
d.height += padding.height + WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM;
*size = maxdim(*size, d);
@@ -593,7 +591,7 @@ public:
virtual void OnResize()
{
this->vscroll->SetCapacityFromWidget(this, WID_SB_PAGE_PANEL, WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM);
- this->vscroll->SetCount(this->CountLines());
+ this->vscroll->SetCount(this->GetContentHeight());
}
virtual void OnClick(Point pt, int widget, int click_count)
@@ -624,27 +622,28 @@ public:
break;
case WID_SB_PAGE_PANEL: {
- uint clicked_row = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SB_PAGE_PANEL, WD_FRAMETEXT_TOP);
+ uint clicked_y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SB_PAGE_PANEL, WD_FRAMETEXT_TOP);
uint max_width = GetAvailablePageContentWidth();
/* Skip head rows. */
- uint n_head_rows = this->CountHeadLines(max_width);
- if (clicked_row < n_head_rows) return;
+ uint head_height = this->GetHeadHeight(max_width);
+ if (clicked_y < head_height) return;
/* Detect if a page element was clicked. */
- uint row = n_head_rows;
+ uint y = head_height;
+ uint element_vertical_dist = FONT_HEIGHT_NORMAL;
for (const StoryPageElement *const*iter = this->story_page_elements.Begin(); iter != this->story_page_elements.End(); iter++) {
const StoryPageElement *const pe = *iter;
- row += 1; // margin row
+ y += element_vertical_dist; // margin row
- uint content_rows = CountPageElementLines(*pe, max_width);
- if (clicked_row >= row && clicked_row < row + content_rows) {
+ uint content_height = GetPageElementHeight(*pe, max_width);
+ if (clicked_y >= y && clicked_y < y + content_height) {
this->OnPageElementClick(*pe);
return;
}
- row += content_rows;
+ y += content_height;
}
}
}