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- Quick hack to the code of SimulationWidget to draw the 

interval [a, b) of History (where b is the front), instead 
than (a, b].
- TODO: SimulationWidget would sincerely benefit from some
more comments in the code


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1027 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-09-06 17:09:07 +00:00
parent 22dded7243
commit c62734ef59
1 changed files with 9 additions and 2 deletions
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11
src/simulation_widget.cc
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@ -223,7 +223,7 @@ SimulationWidget::draw_grid(cairo_t* ctx)
// useful constants // useful constants
const History& hist = _simulation->get_history(); const History& hist = _simulation->get_history();
const unsigned int hist_front = hist.get_front(); const unsigned int hist_front = hist.get_front() == 0 ? 0 : hist.get_front() - 1;
const double top_margin = _yu_top_margin * _y_unit; const double top_margin = _yu_top_margin * _y_unit;
// const double left_margin = _x_unit; // const double left_margin = _x_unit;
const double left_graph_margin = _xu_left_graph_margin * _x_unit; const double left_graph_margin = _xu_left_graph_margin * _x_unit;
@ -302,7 +302,7 @@ SimulationWidget::draw_bars(cairo_t* ctx)
// useful constants // useful constants
const History& hist = _simulation->get_history(); const History& hist = _simulation->get_history();
const unsigned int hist_front = hist.get_front(); unsigned int hist_front = hist.get_front();
const double top_margin = _yu_top_margin * _y_unit; const double top_margin = _yu_top_margin * _y_unit;
// const double left_margin = _x_unit; // const double left_margin = _x_unit;
const double left_graph_margin = _xu_left_graph_margin * _x_unit; const double left_graph_margin = _xu_left_graph_margin * _x_unit;
@ -328,6 +328,13 @@ SimulationWidget::draw_bars(cairo_t* ctx)
from_time = 1; from_time = 1;
} }
// We draw the interval [0, front)
// so if front <= 1, we've nothing to draw
if(hist_front <= 1)
return;
else
hist_front--;
#ifndef NDEBUG #ifndef NDEBUG
std::cout << " SimulationWidget::draw_bars from:" << from_time << " to:" << hist_front << std::endl; std::cout << " SimulationWidget::draw_bars from:" << from_time << " to:" << hist_front << std::endl;
#endif #endif