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fix(renderer): Improve precision when shifting action blocks

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Fixes #220
This commit is contained in:
Michael Carlberg 2016-12-04 13:47:42 +01:00
parent d888f1b331
commit 9eee27544d
2 changed files with 9 additions and 19 deletions
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6
include/components/types.hpp
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@ -123,14 +123,14 @@ struct bar_settings {
struct action_block {
alignment align{alignment::NONE};
int16_t start_x{0};
int16_t end_x{0};
double start_x{0.0};
double end_x{0.0};
mousebtn button{mousebtn::NONE};
string command;
bool active{true};
uint16_t width() const {
return end_x - start_x;
return static_cast<uint16_t>(end_x - start_x + 0.5);
}
};

22
src/components/renderer.cpp
View File

@ -423,13 +423,6 @@ void renderer::draw_character(uint16_t character) {
}
auto width = m_fontmanager->char_width(font, character);
// Avoid odd glyph width's for center-aligned text
// since it breaks the positioning of clickable area's
if (m_alignment == alignment::CENTER && width % 2) {
width++;
}
auto x = shift_content(width);
auto y = m_rect.height / 2 + font->height / 2 - font->descent + font->offset_y;
@ -472,13 +465,6 @@ void renderer::draw_textstring(const char* text, size_t len) {
// TODO: cache
auto width = m_fontmanager->char_width(font, chars[0]) * chars.size();
// Avoid odd glyph width's for center-aligned text
// since it breaks the positioning of clickable area's
if (m_alignment == alignment::CENTER && width % 2) {
width++;
}
auto x = shift_content(width);
auto y = m_rect.height / 2 + font->height / 2 - font->descent + font->offset_y;
@ -566,8 +552,8 @@ const vector<action_block> renderer::get_actions() {
int16_t renderer::shift_content(int16_t x, const int16_t shift_x) {
m_log.trace_x("renderer: shift_content(%i)", shift_x);
int16_t delta{shift_x};
int16_t base_x{0};
double delta{static_cast<double>(shift_x)};
switch (m_alignment) {
case alignment::NONE:
@ -656,6 +642,10 @@ void renderer::debug_hints() {
<< cw_size(w, h)
<< cw_pos(x, y)
<< cw_border(border_width)
<< cw_depth(32)
<< cw_visual(m_visual->visual_id)
<< cw_params_colormap(m_colormap)
<< cw_params_back_pixel(0)
<< cw_params_border_pixel(num % 2 ? 0xFFFF0000 : 0xFF00FF00)
<< cw_params_override_redirect(true)
<< cw_flush()
@ -664,7 +654,7 @@ void renderer::debug_hints() {
xutils::compton_shadow_exclude(m_connection, hintwin);
m_connection.map_window(hintwin);
m_log.info("Debug hint created (x=%i width=%i)", action.start_x, action.width());
m_log.info("Debug hint created (x=%lu width=%lu)", x, w);
}
}
#endif