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Stop tracking action blocks in renderer

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Dispatch can now directly get the current position from the renderer and
create action blocks with the proper coordinates.
This commit is contained in:
patrick96 2021-02-02 23:03:44 +01:00 committed by Patrick Ziegler
parent b5bdbdf6cb
commit cd1d4fa183
9 changed files with 121 additions and 92 deletions
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5
include/components/renderer.hpp
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@ -53,8 +53,9 @@ class renderer : public renderer_interface,
void change_alignment(const tags::context& ctxt) override;
void action_open(const tags::context& ctxt, tags::action_t id) override;
void action_close(const tags::context& ctxt, tags::action_t id) override;
double get_x(const tags::context& ctxt) const override;
double get_alignment_start(const alignment align) const override;
protected:
void fill_background();

29
include/components/renderer_interface.hpp
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@ -7,23 +7,36 @@ POLYBAR_NS
class renderer_interface {
public:
renderer_interface(tags::action_context& action_ctxt) : m_action_ctxt(action_ctxt){};
renderer_interface(const tags::action_context& action_ctxt) : m_action_ctxt(action_ctxt){};
virtual void render_offset(const tags::context& ctxt, int pixels) = 0;
virtual void render_text(const tags::context& ctxt, const string&& str) = 0;
virtual void change_alignment(const tags::context& ctxt) = 0;
virtual void action_open(const tags::context& ctxt, tags::action_t id) = 0;
virtual void action_close(const tags::context& ctxt, tags::action_t id) = 0;
/**
* Get the current x-coordinate of the renderer.
*
* This position denotes the coordinate where the next thing will be rendered.
* It is relative to the start of the current alignment because the absolute
* positions may not be known until after the renderer has finished.
*/
virtual double get_x(const tags::context& ctxt) const = 0;
/**
* Get the absolute x-position of the start of an alignment block.
*
* The position is absolute in terms of the bar window.
*
* Only call this after all the rendering is finished as these values change
* when new things are rendered.
*/
virtual double get_alignment_start(const alignment align) const = 0;
protected:
/**
* Stores information about actions in the current action cycle.
*
* The renderer is only responsible for updating the start and end positions
* of each action block.
* Stores information about actions in the current render cycle.
*/
tags::action_context& m_action_ctxt;
const tags::action_context& m_action_ctxt;
};
POLYBAR_NS_END

52
include/tags/context.hpp
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@ -98,23 +98,47 @@ namespace tags {
static constexpr action_t NO_ACTION = -1;
/**
* Defines a clickable (or scrollable) action block.
*
* An action block is an area on the bar that executes some command when clicked.
*/
struct action_block {
action_block(const string&& cmd, mousebtn button, alignment align, bool is_open)
: cmd(std::move(cmd)), button(button), align(align), is_open(is_open){};
string cmd;
/**
* Start position of the action block (inclusive), relative to the alignment.
*/
double start_x{0};
/**
* End position of the action block (exclusive), relative to the alignment.
*/
double end_x{0};
mousebtn button;
alignment align;
/**
* Tracks whether this block is still open or whether it already has a
* corresponding closing tag.
*
* After rendering, all action blocks should be closed.
*/
bool is_open;
unsigned int width() const {
return static_cast<unsigned int>(end_x - start_x + 0.5);
}
bool test(int point) const {
return static_cast<int>(start_x) <= point && static_cast<int>(end_x) > point;
/**
* Tests whether a given point is inside this block.
*
* This additionally needs the position of the start of the alignment
* because the given point is relative to the bar window.
*/
bool test(double align_start, int point) const {
return static_cast<int>(start_x + align_start) <= point && static_cast<int>(end_x + align_start) > point;
}
};
@ -122,11 +146,10 @@ namespace tags {
public:
void reset();
action_t action_open(mousebtn btn, const string&& cmd, alignment align);
std::pair<action_t, mousebtn> action_close(mousebtn btn, alignment align);
action_t action_open(mousebtn btn, const string&& cmd, alignment align, double x);
std::pair<action_t, mousebtn> action_close(mousebtn btn, alignment align, double x);
void set_start(action_t id, double x);
void set_end(action_t id, double x);
void set_alignmnent_start(const alignment a, const double x);
std::map<mousebtn, tags::action_t> get_actions(int x) const;
action_t has_action(mousebtn btn, int x) const;
@ -137,15 +160,28 @@ namespace tags {
size_t num_actions() const;
// TODO provide better interface for adjusting the start positions of actions
std::vector<action_block>& get_blocks();
const std::vector<action_block>& get_blocks() const;
protected:
void set_start(action_t id, double x);
void set_end(action_t id, double x);
/**
* Stores all currently known action blocks.
*
* The action_t type is meant as an index into this vector.
* The action_t type is an index into this vector.
*/
std::vector<action_block> m_action_blocks;
/**
* Stores the x-coordinate for the start of all the alignment blocks.
*
* This is needed because the action block coordinates are relative to the
* alignment blocks and thus need the alignment block coordinates for
* intersection tests.
*/
std::map<alignment, double> m_align_start{
{alignment::NONE, 0}, {alignment::LEFT, 0}, {alignment::CENTER, 0}, {alignment::RIGHT, 0}};
};
} // namespace tags

1
include/tags/dispatch.hpp
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@ -34,7 +34,6 @@ namespace tags {
void handle_control(controltag ctrl);
private:
vector<mousebtn> m_actions;
const logger& m_log;
unique_ptr<context> m_ctxt;

21
src/components/renderer.cpp
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@ -251,19 +251,6 @@ void renderer::begin(xcb_rectangle_t rect) {
void renderer::end() {
m_log.trace_x("renderer: end");
/*
* Finalize the positions of the action blocks.
* Up until this point, the positions were relative to the start of the
* alignment block the action was located in.
* Here we add the start position of the block as well as the start position
* of the bar itself (without borders or tray) to create positions relative to
* the bar window.
*/
for (auto& a : m_action_ctxt.get_blocks()) {
a.start_x += block_x(a.align) + m_rect.x;
a.end_x += block_x(a.align) + m_rect.x;
}
if (m_align != alignment::NONE) {
m_log.trace_x("renderer: pop(%i)", static_cast<int>(m_align));
m_context->pop(&m_blocks[m_align].pattern);
@ -706,12 +693,12 @@ void renderer::change_alignment(const tags::context& ctxt) {
}
}
void renderer::action_open(const tags::context&, tags::action_t id) {
m_action_ctxt.set_start(id, m_blocks.at(m_align).x);
double renderer::get_x(const tags::context& ctxt) const {
return m_blocks.at(ctxt.get_alignment()).x;
}
void renderer::action_close(const tags::context&, tags::action_t id) {
m_action_ctxt.set_end(id, m_blocks.at(m_align).x);
double renderer::get_alignment_start(const alignment align) const {
return block_x(align) + m_rect.x;
}
/**

17
src/tags/context.cpp
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@ -118,19 +118,22 @@ namespace tags {
m_action_blocks.clear();
}
action_t action_context::action_open(mousebtn btn, const string&& cmd, alignment align) {
action_t action_context::action_open(mousebtn btn, const string&& cmd, alignment align, double x) {
action_t id = m_action_blocks.size();
m_action_blocks.emplace_back(std::move(cmd), btn, align, true);
set_start(id, x);
return id;
}
std::pair<action_t, mousebtn> action_context::action_close(mousebtn btn, alignment align) {
std::pair<action_t, mousebtn> action_context::action_close(mousebtn btn, alignment align, double x) {
for (auto it = m_action_blocks.rbegin(); it != m_action_blocks.rend(); it++) {
if (it->is_open && it->align == align && (btn == mousebtn::NONE || it->button == btn)) {
it->is_open = false;
// Converts a reverse iterator into an index
return {std::distance(m_action_blocks.begin(), it.base()) - 1, it->button};
action_t id = std::distance(m_action_blocks.begin(), it.base()) - 1;
set_end(id, x);
return {id, it->button};
}
}
@ -145,6 +148,10 @@ namespace tags {
m_action_blocks[id].end_x = x;
}
void action_context::set_alignmnent_start(const alignment a, const double x) {
m_align_start[a] = x;
}
std::map<mousebtn, tags::action_t> action_context::get_actions(int x) const {
std::map<mousebtn, tags::action_t> buttons;
@ -157,7 +164,7 @@ namespace tags {
mousebtn btn = action.button;
// Higher IDs are higher in the action stack.
if (id > buttons[btn] && action.test(x)) {
if (id > buttons[btn] && action.test(m_align_start.at(action.align), x)) {
buttons[action.button] = id;
}
}
@ -191,7 +198,7 @@ namespace tags {
return m_action_blocks.size();
}
std::vector<action_block>& action_context::get_blocks() {
const std::vector<action_block>& action_context::get_blocks() const {
return m_action_blocks;
}

11
src/tags/dispatch.cpp
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@ -100,6 +100,10 @@ namespace tags {
}
}
for (auto a : {alignment::LEFT, alignment::CENTER, alignment::RIGHT}) {
m_action_ctxt.set_alignmnent_start(a, renderer.get_alignment_start(a));
}
// TODO handle unclosed action tags in ctxt
/* if (!m_actions.empty()) { */
/* throw runtime_error(to_string(m_actions.size()) + " unclosed action block(s)"); */
@ -122,12 +126,9 @@ namespace tags {
void dispatch::handle_action(renderer_interface& renderer, mousebtn btn, bool closing, const string&& cmd) {
if (closing) {
action_t id;
std::tie(id, btn) = m_action_ctxt.action_close(btn, m_ctxt->get_alignment());
renderer.action_close(*m_ctxt, id);
m_action_ctxt.action_close(btn, m_ctxt->get_alignment(), renderer.get_x(*m_ctxt));
} else {
action_t id = m_action_ctxt.action_open(btn, std::move(cmd), m_ctxt->get_alignment());
renderer.action_open(*m_ctxt, id);
m_action_ctxt.action_open(btn, std::move(cmd), m_ctxt->get_alignment(), renderer.get_x(*m_ctxt));
}
}

71
tests/unit_tests/tags/action_context.cpp
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@ -1,7 +1,6 @@
#include "tags/context.hpp"
#include "common/test.hpp"
#include "components/logger.hpp"
#include "tags/context.hpp"
using namespace polybar;
using namespace std;
@ -10,20 +9,20 @@ using namespace tags;
TEST(ActionCtxtTest, dblClick) {
action_context ctxt;
ctxt.action_open(mousebtn::DOUBLE_LEFT, "", alignment::LEFT);
ctxt.action_close(mousebtn::DOUBLE_LEFT, alignment::LEFT);
ctxt.action_open(mousebtn::DOUBLE_LEFT, "", alignment::LEFT, 0);
ctxt.action_close(mousebtn::DOUBLE_LEFT, alignment::LEFT, 1);
ASSERT_TRUE(ctxt.has_double_click());
ctxt.reset();
ctxt.action_open(mousebtn::DOUBLE_MIDDLE, "", alignment::LEFT);
ctxt.action_close(mousebtn::DOUBLE_MIDDLE, alignment::LEFT);
ctxt.action_open(mousebtn::DOUBLE_MIDDLE, "", alignment::LEFT, 0);
ctxt.action_close(mousebtn::DOUBLE_MIDDLE, alignment::LEFT, 1);
ASSERT_TRUE(ctxt.has_double_click());
ctxt.action_open(mousebtn::DOUBLE_RIGHT, "", alignment::LEFT);
ctxt.action_close(mousebtn::DOUBLE_RIGHT, alignment::LEFT);
ctxt.action_open(mousebtn::DOUBLE_RIGHT, "", alignment::LEFT, 0);
ctxt.action_close(mousebtn::DOUBLE_RIGHT, alignment::LEFT, 1);
ASSERT_TRUE(ctxt.has_double_click());
}
@ -31,20 +30,20 @@ TEST(ActionCtxtTest, dblClick) {
TEST(ActionCtxtTest, closing) {
action_context ctxt;
auto id1 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT);
auto id2 = ctxt.action_open(mousebtn::RIGHT, "", alignment::CENTER);
auto id3 = ctxt.action_open(mousebtn::RIGHT, "", alignment::LEFT);
auto id4 = ctxt.action_open(mousebtn::MIDDLE, "", alignment::LEFT);
auto id1 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT, 0);
auto id2 = ctxt.action_open(mousebtn::RIGHT, "", alignment::CENTER, 0);
auto id3 = ctxt.action_open(mousebtn::RIGHT, "", alignment::LEFT, 0);
auto id4 = ctxt.action_open(mousebtn::MIDDLE, "", alignment::LEFT, 0);
EXPECT_NE(NO_ACTION, id1);
EXPECT_NE(NO_ACTION, id2);
EXPECT_NE(NO_ACTION, id3);
EXPECT_NE(NO_ACTION, id4);
EXPECT_EQ(make_pair(id1, mousebtn::LEFT), ctxt.action_close(mousebtn::LEFT, alignment::LEFT));
EXPECT_EQ(make_pair(id4, mousebtn::MIDDLE), ctxt.action_close(mousebtn::NONE, alignment::LEFT));
EXPECT_EQ(make_pair(id3, mousebtn::RIGHT), ctxt.action_close(mousebtn::NONE, alignment::LEFT));
EXPECT_EQ(make_pair(id2, mousebtn::RIGHT), ctxt.action_close(mousebtn::NONE, alignment::CENTER));
EXPECT_EQ(make_pair(id1, mousebtn::LEFT), ctxt.action_close(mousebtn::LEFT, alignment::LEFT, 1));
EXPECT_EQ(make_pair(id4, mousebtn::MIDDLE), ctxt.action_close(mousebtn::NONE, alignment::LEFT, 1));
EXPECT_EQ(make_pair(id3, mousebtn::RIGHT), ctxt.action_close(mousebtn::NONE, alignment::LEFT, 1));
EXPECT_EQ(make_pair(id2, mousebtn::RIGHT), ctxt.action_close(mousebtn::NONE, alignment::CENTER, 1));
EXPECT_EQ(4, ctxt.num_actions());
}
@ -63,19 +62,12 @@ TEST(ActionCtxtTest, overlapping) {
* clang-format on
*/
auto id1 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT);
auto id2 = ctxt.action_open(mousebtn::MIDDLE, "", alignment::LEFT);
auto id3 = ctxt.action_open(mousebtn::RIGHT, "", alignment::LEFT);
EXPECT_EQ(make_pair(id1, mousebtn::LEFT), ctxt.action_close(mousebtn::LEFT, alignment::LEFT));
EXPECT_EQ(make_pair(id3, mousebtn::RIGHT), ctxt.action_close(mousebtn::RIGHT, alignment::LEFT));
EXPECT_EQ(make_pair(id2, mousebtn::MIDDLE), ctxt.action_close(mousebtn::MIDDLE, alignment::LEFT));
ctxt.set_start(id1, 0);
ctxt.set_end(id1, 3);
ctxt.set_start(id2, 1);
ctxt.set_end(id2, 6);
ctxt.set_start(id3, 2);
ctxt.set_end(id3, 5);
auto id1 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT, 0);
auto id2 = ctxt.action_open(mousebtn::MIDDLE, "", alignment::LEFT, 1);
auto id3 = ctxt.action_open(mousebtn::RIGHT, "", alignment::LEFT, 2);
EXPECT_EQ(make_pair(id1, mousebtn::LEFT), ctxt.action_close(mousebtn::LEFT, alignment::LEFT, 3));
EXPECT_EQ(make_pair(id3, mousebtn::RIGHT), ctxt.action_close(mousebtn::RIGHT, alignment::LEFT, 6));
EXPECT_EQ(make_pair(id2, mousebtn::MIDDLE), ctxt.action_close(mousebtn::MIDDLE, alignment::LEFT, 5));
auto actions = ctxt.get_actions(2);
@ -100,19 +92,12 @@ TEST(ActionCtxtTest, stacking) {
* clang-format on
*/
auto id1 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT);
auto id2 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT);
auto id3 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT);
EXPECT_EQ(make_pair(id3, mousebtn::LEFT), ctxt.action_close(mousebtn::NONE, alignment::LEFT));
EXPECT_EQ(make_pair(id2, mousebtn::LEFT), ctxt.action_close(mousebtn::NONE, alignment::LEFT));
EXPECT_EQ(make_pair(id1, mousebtn::LEFT), ctxt.action_close(mousebtn::NONE, alignment::LEFT));
ctxt.set_start(id1, 0);
ctxt.set_end(id1, 8);
ctxt.set_start(id2, 1);
ctxt.set_end(id2, 7);
ctxt.set_start(id3, 3);
ctxt.set_end(id3, 6);
auto id1 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT, 0);
auto id2 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT, 1);
auto id3 = ctxt.action_open(mousebtn::LEFT, "", alignment::LEFT, 3);
EXPECT_EQ(make_pair(id3, mousebtn::LEFT), ctxt.action_close(mousebtn::NONE, alignment::LEFT, 6));
EXPECT_EQ(make_pair(id2, mousebtn::LEFT), ctxt.action_close(mousebtn::NONE, alignment::LEFT, 7));
EXPECT_EQ(make_pair(id1, mousebtn::LEFT), ctxt.action_close(mousebtn::NONE, alignment::LEFT, 8));
EXPECT_EQ(id1, ctxt.has_action(mousebtn::LEFT, 0));
EXPECT_EQ(id2, ctxt.has_action(mousebtn::LEFT, 1));
@ -131,7 +116,7 @@ TEST(ActionCtxtTest, cmd) {
string cmd = "foobar";
auto id = ctxt.action_open(mousebtn::DOUBLE_RIGHT, cmd.substr(), alignment::RIGHT);
auto id = ctxt.action_open(mousebtn::DOUBLE_RIGHT, cmd.substr(), alignment::RIGHT, 0);
ASSERT_EQ(cmd, ctxt.get_action(id));
}

6
tests/unit_tests/tags/dispatch.cpp
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@ -8,8 +8,8 @@ using namespace polybar;
using namespace std;
using namespace tags;
using ::testing::InSequence;
using ::testing::_;
using ::testing::InSequence;
class MockRenderer : public renderer_interface {
public:
@ -18,8 +18,8 @@ class MockRenderer : public renderer_interface {
MOCK_METHOD(void, render_offset, (const context& ctxt, int pixels), (override));
MOCK_METHOD(void, render_text, (const context& ctxt, const string&& str), (override));
MOCK_METHOD(void, change_alignment, (const context& ctxt), (override));
MOCK_METHOD(void, action_open, (const context& ctxt, action_t id), (override));
MOCK_METHOD(void, action_close, (const context& ctxt, action_t id), (override));
MOCK_METHOD(double, get_x, (const context& ctxt), (const, override));
MOCK_METHOD(double, get_alignment_start, (const alignment align), (const, override));
};
class TestableDispatch : public dispatch {};