hy3/src/TabGroup.cpp

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#include "globals.hpp"
#include "TabGroup.hpp"
#include "Hy3Layout.hpp"
#include <hyprland/src/Compositor.hpp>
#include <cairo/cairo.h>
Hy3TabBarEntry::Hy3TabBarEntry(Hy3TabBar& tab_bar, Hy3Node& node): tab_bar(tab_bar), node(node) {
this->offset.create(AVARTYPE_FLOAT, -1.0f, g_pConfigManager->getAnimationPropertyConfig("windowsMove"), nullptr, AVARDAMAGE_NONE);
this->width.create(AVARTYPE_FLOAT, -1.0f, g_pConfigManager->getAnimationPropertyConfig("windowsMove"), nullptr, AVARDAMAGE_NONE);
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this->offset.registerVar();
this->width.registerVar();
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this->window_title = node.getTitle();
this->urgent = node.isUrgent();
}
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bool Hy3TabBarEntry::operator==(const Hy3Node& node) const {
return this->node == node;
}
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void Hy3TabBarEntry::prepareTexture(float scale, Vector2D size) {
static const auto* rounding_setting = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hy3:tabs:rounding")->intValue;
auto rounding = *rounding_setting;
auto width = size.x * scale;
auto height = size.y * scale;
if (this->needs_redraw
|| this->texture.m_iTexID == 0
|| this->last_render_rounding == rounding
|| this->last_render_scale == scale
|| this->last_render_size == size
|| true // todo
) {
this->needs_redraw = false;
this->last_render_rounding = rounding;
this->last_render_scale = scale;
this->last_render_size = size;
auto cairo_surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
auto cairo = cairo_create(cairo_surface);
// clear pixmap
cairo_save(cairo);
cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
cairo_paint(cairo);
cairo_restore(cairo);
// set brush
if (this->focused) {
cairo_set_source_rgba(cairo, 0.2, 0.7, 1.0, 1.0);
} else {
cairo_set_source_rgba(cairo, 0.5, 0.5, 0.5, 1.0);
}
// outline bar shape
cairo_move_to(cairo, 0, rounding);
cairo_arc(cairo, rounding, rounding, rounding, -180.0 * (M_PI / 180.0), -90.0 * (M_PI / 180.0));
cairo_line_to(cairo, width - rounding, 0);
cairo_arc(cairo, width - rounding, rounding, rounding, -90.0 * (M_PI / 180.0), 0.0);
cairo_line_to(cairo, width, height - rounding);
cairo_arc(cairo, width - rounding, height - rounding, rounding, 0.0, 90.0 * (M_PI / 180.0));
cairo_line_to(cairo, rounding, height);
cairo_arc(cairo, rounding, height - rounding, rounding, -270.0 * (M_PI / 180.0), -180.0 * (M_PI / 180.0));
cairo_close_path(cairo);
// draw
cairo_fill(cairo);
auto data = cairo_image_surface_get_data(cairo_surface);
this->texture.allocate();
glBindTexture(GL_TEXTURE_2D, this->texture.m_iTexID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
#ifdef GLES32
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
#endif
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
cairo_destroy(cairo);
cairo_surface_destroy(cairo_surface);
} else {
glBindTexture(GL_TEXTURE_2D, this->texture.m_iTexID);
}
}
Hy3TabBar::Hy3TabBar() {
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this->vertical_pos.create(AVARTYPE_FLOAT, 1.0f, g_pConfigManager->getAnimationPropertyConfig("windowsMove"), nullptr, AVARDAMAGE_NONE);
this->fade_opacity.create(AVARTYPE_FLOAT, 1.0f, g_pConfigManager->getAnimationPropertyConfig("windowsMove"), nullptr, AVARDAMAGE_NONE);
this->focus_start.create(AVARTYPE_FLOAT, 0.0f, g_pConfigManager->getAnimationPropertyConfig("windowsIn"), nullptr, AVARDAMAGE_NONE);
this->focus_end.create(AVARTYPE_FLOAT, 1.0f, g_pConfigManager->getAnimationPropertyConfig("windowsIn"), nullptr, AVARDAMAGE_NONE);
this->vertical_pos.registerVar();
this->fade_opacity.registerVar();
this->focus_start.registerVar();
this->focus_end.registerVar();
this->vertical_pos = 0.0;
this->fade_opacity = 1.0;
}
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void Hy3TabBar::focusNode(Hy3Node* node) {
this->focused_node = node;
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if (this->focused_node == nullptr) {
this->focus_start = 0.0;
this->focus_end = 1.0;
} else {
auto entry = std::find(this->entries.begin(), this->entries.end(), *node);
if (entry != this->entries.end()) {
this->focus_start = entry->offset.goalf();
this->focus_end = entry->offset.goalf() + entry->width.goalf();
}
}
}
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void Hy3TabBar::updateNodeList(std::list<Hy3Node*>& nodes) {
std::list<Hy3TabBarEntry> removed_entries;
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auto entry = this->entries.begin();
auto node = nodes.begin();
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// move any out of order entries to removed_entries
while (node != nodes.end()) {
while (true) {
if (entry == this->entries.end()) goto exitloop;
if (*entry == **node) break;
removed_entries.splice(removed_entries.end(), this->entries, entry++);
}
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node = std::next(node);
entry = std::next(entry);
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}
exitloop:
// move any extra entries to removed_entries
removed_entries.splice(removed_entries.end(), this->entries, entry, this->entries.end());
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entry = this->entries.begin();
node = nodes.begin();
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// add missing entries, taking first from removed_entries
while (node != nodes.end()) {
if (entry == this->entries.end() || *entry != **node) {
auto moved = std::find(removed_entries.begin(), removed_entries.end(), **node);
if (moved != removed_entries.end()) {
this->entries.splice(entry, removed_entries, moved);
entry = moved;
} else {
entry = this->entries.emplace(entry, *this, **node);
}
}
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// set stats from node data
auto* root = *node;
while (root->parent != nullptr) root = root->parent;
auto* focused = root->getFocusedNode();
entry->focused = focused == *node;
entry->urgent = (*node)->isUrgent();
node = std::next(node);
if (entry != this->entries.end()) entry = std::next(entry);
}
// initiate remove animations for any removed entries
for (auto& entry: removed_entries) {
// TODO: working entry remove anim
entry.width = 0.0;
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}
}
void Hy3TabBar::updateAnimations(bool warp) {
int active_entries = 0;
for (auto& entry: this->entries) {
if (entry.width.goalf() != 0.0) active_entries++;
}
float entry_width = active_entries == 0 ? 0.0 : 1.0 / active_entries;
float offset = 0.0;
auto entry = this->entries.begin();
while (entry != this->entries.end()) {
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if (warp) {
if (entry->width.goalf() == 0.0) {
this->entries.erase(entry++);
continue;
}
entry->offset.setValueAndWarp(offset);
entry->width.setValueAndWarp(entry_width);
} else {
auto warp_init = entry->offset.goalf() == -1.0;
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if (warp_init) {
float start_offset = offset;
if (entry == std::prev(this->entries.end())) start_offset += entry_width;
else if (entry != this->entries.begin()) start_offset += (entry_width * 0.5);
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entry->offset.setValueAndWarp(start_offset);
entry->width.setValueAndWarp(0.0);
}
if (entry->offset.goalf() != offset) entry->offset = offset;
if (entry->width.goalf() != entry_width) entry->width = entry_width;
}
offset += entry_width;
entry = std::next(entry);
}
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}
void Hy3TabBar::setSize(Vector2D size) {
if (size == this->size) return;
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this->size = size;
}
Hy3TabGroup::Hy3TabGroup(Hy3Node& node) {
this->pos.create(AVARTYPE_VECTOR, g_pConfigManager->getAnimationPropertyConfig("windowsIn"), nullptr, AVARDAMAGE_NONE);
this->size.create(AVARTYPE_VECTOR, g_pConfigManager->getAnimationPropertyConfig("windowsIn"), nullptr, AVARDAMAGE_NONE);
Debug::log(LOG, "registered anims");
this->pos.registerVar();
this->size.registerVar();
this->updateWithGroup(node);
this->bar.updateAnimations(true);
this->pos.warp();
this->size.warp();
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}
void Hy3TabGroup::updateWithGroup(Hy3Node& node) {
static const auto* gaps_in = &HyprlandAPI::getConfigValue(PHANDLE, "general:gaps_in")->intValue;
static const auto* bar_height = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hy3:tabs:bar_height")->intValue;
auto tpos = node.position + Vector2D(*gaps_in, *gaps_in);
auto tsize = Vector2D(node.size.x - *gaps_in * 2, *bar_height);
if (this->pos.goalv() != tpos) this->pos = tpos;
if (this->size.goalv() != tsize) this->size = tsize;
this->bar.updateNodeList(node.data.as_group.children);
this->bar.updateAnimations();
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if (node.data.as_group.focused_child != nullptr) {
this->updateStencilWindows(*node.data.as_group.focused_child);
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}
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}
void Hy3TabGroup::renderTabBar() {
static const auto* window_rounding = &HyprlandAPI::getConfigValue(PHANDLE, "decoration:rounding")->intValue;
static const auto* enter_from_top = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:hy3:tabs:from_top")->intValue;
static const auto* padding = &HyprlandAPI::getConfigValue(PHANDLE, "general:gaps_in")->intValue;
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auto* monitor = g_pHyprOpenGL->m_RenderData.pMonitor;
auto scale = monitor->scale;
auto pos = this->pos.vec();
auto size = this->size.vec();
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pos.y += (this->bar.vertical_pos.fl() * size.y) * (*enter_from_top ? -1 : 1);
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auto scaled_pos = Vector2D(std::round(pos.x * scale), std::round(pos.y * scale));
auto scaled_size = Vector2D(std::round(size.x * scale), std::round(size.y * scale));
auto box = wlr_box { scaled_pos.x, scaled_pos.y, scaled_size.x, scaled_size.y };
this->bar.setSize(scaled_size);
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{
glEnable(GL_STENCIL_TEST);
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glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glStencilMask(0xff);
glStencilFunc(GL_ALWAYS, 1, 0xff);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
for (auto* window: this->stencil_windows) {
if (!g_pCompositor->windowExists(window)) continue;
auto wpos = window->m_vRealPosition.vec();
auto wsize = window->m_vRealPosition.vec();
wlr_box window_box = { wpos.x, wpos.y, wsize.x, wsize.y };
scaleBox(&window_box, scale);
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g_pHyprOpenGL->renderRect(&window_box, CColor(0, 0, 0, 0), *window_rounding);
}
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glStencilMask(0x00);
glStencilFunc(GL_EQUAL, 0, 0xff);
glStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
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}
auto render_entry = [&](Hy3TabBarEntry& entry) {
Vector2D entry_size = { (entry.width.fl() * size.x) - *padding, size.y };
entry.prepareTexture(scale, entry_size);
wlr_box box = {
(pos.x + (entry.offset.fl() * size.x) + (*padding * 0.5)) * scale,
scaled_pos.y,
entry_size.x * scale,
scaled_size.y,
};
g_pHyprOpenGL->renderTexture(entry.texture, &box, this->bar.fade_opacity.fl());
};
for (auto& entry: this->bar.entries) {
if (entry.focused) continue;
render_entry(entry);
}
for (auto& entry: this->bar.entries) {
if (!entry.focused) continue;
render_entry(entry);
}
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{
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glDisable(GL_STENCIL_TEST);
glStencilMask(0xff);
glStencilFunc(GL_ALWAYS, 1, 0xff);
}
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g_pHyprRenderer->damageBox(&box);
}
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void findOverlappingWindows(Hy3Node& node, float height, std::vector<CWindow*>& windows) {
switch (node.data.type) {
case Hy3NodeData::Window:
windows.push_back(node.data.as_window);
break;
case Hy3NodeData::Group:
auto& group = node.data.as_group;
switch (group.layout) {
case Hy3GroupLayout::SplitH:
for (auto* node: group.children) {
findOverlappingWindows(*node, height, windows);
}
break;
case Hy3GroupLayout::SplitV:
for (auto* node: group.children) {
findOverlappingWindows(*node, height, windows);
height -= node->size.y;
if (height <= 0) break;
}
break;
case Hy3GroupLayout::Tabbed:
// assume the height of that node's tab bar already pushes it out of range
break;
}
}
}
void Hy3TabGroup::updateStencilWindows(Hy3Node& group) {
this->stencil_windows.clear();
findOverlappingWindows(group, this->size.goalv().y, this->stencil_windows);
}