From 14b26c8902d64807943191502be32976a98b2eb4 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Sat, 26 Jan 2019 00:55:57 +0100
Subject: [PATCH] Popup presets panel, fix padding scissor, stacked mouse
 capture

---
 data/layout.xml             | 23 ++++++------
 libs/curl-win               |  1 +
 src/app.cpp                 | 14 +++++++
 src/app_layout.cpp          | 36 +++++++++---------
 src/node.cpp                | 73 +++++++++++++++++++++++++++++--------
 src/node.h                  |  4 +-
 src/node_panel_brush.cpp    | 35 +++++++++++-------
 src/node_panel_brush.h      |  4 +-
 src/node_panel_stroke.cpp   | 43 ++++++++++++++++++++++
 src/node_panel_stroke.h     |  4 ++
 src/node_stroke_preview.cpp | 13 +++++--
 11 files changed, 184 insertions(+), 66 deletions(-)
 create mode 160000 libs/curl-win

diff --git a/data/layout.xml b/data/layout.xml
index 551141e..8de6a6f 100644
--- a/data/layout.xml
+++ b/data/layout.xml
@@ -88,9 +88,6 @@
   <!--brush-presets panel-->
   <layout id="tpl-panel-brush-preset">
     <node width="220" margin="0 0 10 0" rtl="ltr">
-      <border height="30" color=".5" align="center" justify="center">
-        <text text="Brush Presets" font-face="arial" font-size="11" color="1 1 1 1"/>
-      </border>
       <border height="40" color=".5" dir="row" align="center" flood-events="1">
         <button-custom id="btn-add" thickness="1" color="0 0" border-color=".0" shrink="1" margin="0 2 0 5">
           <icon width="30" icon="add"/>
@@ -106,17 +103,16 @@
           <icon width="30" icon="bin_closed"/>
         </button-custom>
       </border>
-      <border id="layers-container" pad="5" color=".4" dir="col" flood-events="1">
-      </border>
-      <border id="brushes" color=".4" pad="5" dir="row" wrap="1" flood-events="1">
-      </border>
+      <scroll id="brushes" color=".4" pad="5 20 5 5" dir="row" wrap="1" flood-events="1" grow="1" height="1"/>
     </node>
   </layout>
   <!--brush-presets-item icon-->
   <layout id="tpl-brush-preset">
-    <button-custom width="100%" height="50" margin="1" pad="5" align="center" justify="center" dir="row">
-      <image id="thumb" width="50" height="50"/>
-      <stroke-preview id="canvas" width="1" grow="1" height="50"/>
+    <button-custom width="100%" height="70" margin="1" pad="5" align="center" justify="center" dir="row">
+      <border color="1" width="40" height="60" align="center" justify="center">
+        <image id="thumb" width="40" height="40"/>
+      </border>
+      <stroke-preview id="canvas" width="1" grow="1" height="60"/>
     </button-custom>
   </layout>
 
@@ -164,6 +160,7 @@
         <node dir="row">
           <node width="30%" dir="col">
             <!--<node height="20" justify="center" margin="5 0 5 0"><text text="Shade" font-face="arial" font-size="11"/></node>-->
+            <node height="40" justify="center" margin="5 0 0 0"><text text="Preset" font-face="arial" font-size="11"/></node>
             <node height="30" justify="center" margin="5 0 5 0"><text text="Blend" font-face="arial" font-size="11"/></node>
             <node height="20" justify="center"><text text="Size" font-face="arial" font-size="11"/></node>
             <node height="20" justify="center"><text text="Flow" font-face="arial" font-size="11"/></node>
@@ -180,6 +177,10 @@
           </node>
           <node dir="col" align="center" grow="1" width="1" flood-events="1">
             <!--<node height="20" pad="1" width="100%" margin="5 0 5 0"><slider-h id="tip-shade" value="1"/></node>-->
+            <button-custom id="preset-button" width="100%" height="40" margin="5 0 0 0" dir="row" pad="4">
+              <image id="preset-thumb" path="data/thumbs/Round-Hard.png" width="32" height="100%"/>
+              <stroke-preview id="preset-preview" width="10" grow="1" height="100%"/>
+            </button-custom>
             <node height="30" pad="1" width="100%" dir="row" margin="5 0 5 0">
               <combobox id="blend-mode" text="Normal" width="100%" height="30" combo-list="Normal,-,Multiply,Screen,-,Color Dodge,Overlay" default="0"/>
             </node>
@@ -484,7 +485,7 @@
           <node grow="1"><text os="win,osx" id="path" text="Workind dir: path" text-wrap-width="470" font-face="arial" font-size="11" margin="10 5 10 10"/></node>
           <button os="win,osx" id="btn-path" text="Set destination dir" width="140" height="30" margin="0 10 0 0"/>
         </node>
-        <node id="footer" height="40" dir="row" align="flex-end" justify="flex-end" pad="10">
+        <node id="footer" height="50" dir="row" align="flex-end" justify="flex-end" pad="10">
           <node grow="1"><button id="btn-delete" text="Delete Project" width="100" height="30" margin="0 10 0 0" color="1 0 0 1"/></node>
           <button id="btn-ok" text="Open Project" width="100" height="30" margin="0 10 0 0"/>
           <button id="btn-cancel" text="Cancel" width="60" height="30"/>
diff --git a/libs/curl-win b/libs/curl-win
new file mode 160000
index 0000000..766a293
--- /dev/null
+++ b/libs/curl-win
@@ -0,0 +1 @@
+Subproject commit 766a29301fa733fb6e9f2a64da67840143da1865
diff --git a/src/app.cpp b/src/app.cpp
index 970b877..69336eb 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -484,6 +484,20 @@ void App::update(float dt)
         if (n && n->m_display)
         {
             auto box = n->m_clip;
+            Node* p = n->parent;
+            while (p)
+            {
+                float pt = YGNodeLayoutGetPadding(p->y_node, YGEdgeTop);
+                float pr = YGNodeLayoutGetPadding(p->y_node, YGEdgeRight);
+                float pb = YGNodeLayoutGetPadding(p->y_node, YGEdgeBottom);
+                float pl = YGNodeLayoutGetPadding(p->y_node, YGEdgeLeft);
+                glm::vec2 off_p(pl, pt);
+                glm::vec2 off_s(pr, pb);
+                glm::vec4 pclip = { xy(p->m_clip) + off_p, zw(p->m_clip) - off_s - off_p };
+                box = rect_intersection(box, pclip);
+                p = p->parent;
+            }
+            //auto box = n->m_clip;
             //glm::ivec4 c = glm::vec4((int)box.x - 1, (int)(height / zoom - box.y - box.w) - 1, (int)box.z + 2, (int)box.w + 2) * zoom;
             glm::ivec4 c = glm::vec4((int)box.x, (int)(height / zoom - box.y - box.w), (int)box.z, (int)box.w) * zoom;
             glScissor(c.x, c.y, c.z, c.w);
diff --git a/src/app_layout.cpp b/src/app_layout.cpp
index bd77911..d01f85b 100644
--- a/src/app_layout.cpp
+++ b/src/app_layout.cpp
@@ -124,7 +124,7 @@ void App::init_sidebar()
     color = find_or_create_panel<NodePanelColor>(panels);
     stroke = find_or_create_panel<NodePanelStroke>(panels);
     grid = find_or_create_panel<NodePanelGrid>(panels);
-    presets = find_or_create_panel<NodePanelBrushPreset>(panels);
+    //presets = find_or_create_panel<NodePanelBrushPreset>(panels);
 
 //     if (canvas)
 //     {
@@ -132,15 +132,15 @@ void App::init_sidebar()
 //         stroke->m_canvas->draw_stroke();
 //     }
 
-    presets->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
-        // don't change some params
-        b->m_tip_size = Canvas::I->m_current_brush->m_tip_size;
-        b->m_tip_color = Canvas::I->m_current_brush->m_tip_color;
-        *Canvas::I->m_current_brush = *b;
-        stroke->m_preview->draw_stroke();
-        stroke->m_brush_thumb->set_image(b->m_brush_thumb_path);
-        stroke->update_controls();
-    };
+    //presets->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
+    //    // don't change some params
+    //    b->m_tip_size = Canvas::I->m_current_brush->m_tip_size;
+    //    b->m_tip_color = Canvas::I->m_current_brush->m_tip_color;
+    //    *Canvas::I->m_current_brush = *b;
+    //    stroke->m_preview->draw_stroke();
+    //    stroke->m_brush_thumb->set_image(b->m_brush_thumb_path);
+    //    stroke->update_controls();
+    //};
     color->on_color_changed = [this](Node* target, glm::vec4 color) {
         Canvas::I->m_current_brush->m_tip_color = color;
     };
@@ -237,14 +237,14 @@ void App::init_sidebar()
     //        button->set_color(panels->get_child_index(brushes.get()) == -1 ? color_button_normal : color_button_hlight);
     //    };
     //}
-    if (auto* button = layout[main_id]->find<NodeButton>("btn-brush-preset"))
-    {
-        button->on_click = [this, button](Node*) {
-            panels->get_child_index(presets.get()) == -1 ? panels->add_child(presets) : panels->remove_child(presets.get());
-            panels->fix_scroll();
-            button->set_color(panels->get_child_index(presets.get()) == -1 ? color_button_normal : color_button_hlight);
-        };
-    }
+    //if (auto* button = layout[main_id]->find<NodeButton>("btn-brush-preset"))
+    //{
+    //    button->on_click = [this, button](Node*) {
+    //        panels->get_child_index(presets.get()) == -1 ? panels->add_child(presets) : panels->remove_child(presets.get());
+    //        panels->fix_scroll();
+    //        button->set_color(panels->get_child_index(presets.get()) == -1 ? color_button_normal : color_button_hlight);
+    //    };
+    //}
     if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-color"))
     {
         button->on_click = [this, button](Node*) {
diff --git a/src/node.cpp b/src/node.cpp
index 2ec3b3c..44b93f6 100644
--- a/src/node.cpp
+++ b/src/node.cpp
@@ -346,29 +346,71 @@ glm::vec4 Node::get_children_rect() const
     return ret;
 }
 
+bool Node::is_child_recursive(Node* o) const
+{
+    for (const auto& c : m_children)
+    {
+        if (c.get() == o || c->is_child_recursive(o))
+            return true;
+    }
+    return false;
+}
+
 void Node::mouse_capture()
 {
+    auto& c = root()->current_mouse_capture;
+    auto& s = root()->m_capture_stack;
+
     // already owner of capture
-    if (root()->current_mouse_capture == this)
+    if (c == this || std::find(s.begin(), s.end(), this) != s.end())
         return;
-    
-    // cancel previous owner
-    if (auto n = root()->current_mouse_capture)
+
+    if (c)
     {
-        MouseEvent e;
-        e.m_type = kEventType::MouseCancel;
-        n->handle_event(&e);
+        if (c->is_child_recursive(this))
+        {
+            // save on stack
+            s.push_back(c);
+        }
+        else
+        {
+            // cancel previous owner
+            MouseEvent e;
+            e.m_type = kEventType::MouseCancel;
+            c->handle_event(&e);
+
+            // TODO: only delete nodes on a different tree, 
+            // so preserve direct parents of this
+
+            // also clear the whole stack
+            s.clear();
+        }
     }
     
     // make current
-    root()->current_mouse_capture = this;
+    c = this;
     m_mouse_captured = true;
 }
 
 void Node::mouse_release()
 {
-    if (root()->current_mouse_capture == this)
-        root()->current_mouse_capture = nullptr;
+    auto& c = root()->current_mouse_capture;
+    auto& s = root()->m_capture_stack;
+
+    s.erase(std::remove(s.begin(), s.end(), this), s.end());
+    if (c == this)
+    {
+        if (s.empty())
+        {
+            c = nullptr;
+        }
+        else
+        {
+            c = s.back();
+            s.pop_back();
+        }
+    }
+
     m_mouse_captured = false;
 }
 
@@ -646,13 +688,14 @@ void Node::update_internal(const glm::vec2& origin, const glm::mat4& proj)
         // correct the padding clip
         // should not clip the padded area
         // useful to draw decorations
-        float pt = 0;//YGNodeLayoutGetPadding(parent->y_node, YGEdgeTop);
-        float pr = 0;//YGNodeLayoutGetPadding(parent->y_node, YGEdgeRight);
-        float pb = 0;//YGNodeLayoutGetPadding(parent->y_node, YGEdgeBottom);
-        float pl = 0;//YGNodeLayoutGetPadding(parent->y_node, YGEdgeLeft);
+        float pt = YGNodeLayoutGetPadding(parent->y_node, YGEdgeTop);
+        float pr = YGNodeLayoutGetPadding(parent->y_node, YGEdgeRight);
+        float pb = YGNodeLayoutGetPadding(parent->y_node, YGEdgeBottom);
+        float pl = YGNodeLayoutGetPadding(parent->y_node, YGEdgeLeft);
         glm::vec2 off_p(pl, pt);
         glm::vec2 off_s(pr, pb);
-        m_clip_uncut = glm::vec4(m_pos - off_p - glm::vec2(1), m_size + off_p + off_s + glm::vec2(2));
+        glm::vec4 pclip = { xy(parent->m_clip) + off_p, zw(parent->m_clip) - off_s - off_p};
+        m_clip_uncut = glm::vec4(m_pos, m_size);
         m_clip = rect_intersection(m_clip_uncut, parent->m_clip);
     }
     else
diff --git a/src/node.h b/src/node.h
index be9aa1a..59d0d5a 100644
--- a/src/node.h
+++ b/src/node.h
@@ -111,6 +111,7 @@ public:
     bool m_force_mouse_capture = false;
     bool m_capture_children = true; // wether to capture children events when xx_capture() is used
     bool m_destroyed = false;
+    std::vector<Node*> m_capture_stack;
 
     bool m_mouse_ignore = true;
     float m_zoom = 1.f;
@@ -217,7 +218,7 @@ public:
     virtual void on_tick(float dt) { };
     virtual kEventResult on_event(Event* e);
     virtual kEventResult handle_event(Event* e);
-    virtual void handle_resize(glm::vec2 old_size, glm::vec2 new_size);;
+    virtual void handle_resize(glm::vec2 old_size, glm::vec2 new_size);
     virtual void create();
     virtual void init();
     virtual void loaded();
@@ -240,6 +241,7 @@ public:
     int get_child_index(Node* n);
     Node* get_child_at(int index);
     glm::vec4 get_children_rect() const;
+    bool is_child_recursive(Node* o) const;
     void mouse_capture();
     void mouse_release();
     void key_capture();
diff --git a/src/node_panel_brush.cpp b/src/node_panel_brush.cpp
index e057324..ee16401 100644
--- a/src/node_panel_brush.cpp
+++ b/src/node_panel_brush.cpp
@@ -116,12 +116,6 @@ int NodePanelBrush::find_brush(const std::string & name) const
     return -1;
 }
 
-uint16_t NodePanelBrush::get_texture_id(int index) const
-{
-    TextureManager::load(m_brushes[index]->high_path.c_str(), true);
-    return m_brushes[index]->high_id;
-}
-
 std::string NodePanelBrush::get_texture_path(int index) const
 {
     return m_brushes[index]->high_path;
@@ -132,11 +126,6 @@ std::string NodePanelBrush::get_thumb_path(int index) const
     return m_brushes[index]->thumb_path;
 }
 
-int NodePanelBrush::get_brush_id(int index) const
-{
-    return m_brushes[index]->m_brushID;
-}
-
 // select the current brush based on the texture id
 void NodePanelBrush::select_brush(int brush_id)
 {
@@ -167,8 +156,8 @@ void NodeBrushPresetItem::init()
     color_hover = glm::vec4(.7, .7, .7, 1);
     color_normal = glm::vec4(.3, .3, .3, 1);
     m_color = color_normal;
-    m_thumb = (NodeImage*)m_children[0].get();
-    m_preview = (NodeStrokePreview*)m_children[1].get();
+    m_thumb = find<NodeImage>("thumb");
+    m_preview = find<NodeStrokePreview>("canvas");
 }
 
 void NodeBrushPresetItem::draw()
@@ -193,7 +182,7 @@ Node* NodePanelBrushPreset::clone_instantiate() const
 void NodePanelBrushPreset::init()
 {
     init_template("tpl-panel-brush-preset");
-    m_container = find<NodeBorder>("brushes");
+    m_container = find<Node>("brushes");
     m_btn_add = find<NodeButtonCustom>("btn-add");
     m_btn_add->on_click = [this] (Node*) {
         NodeBrushPresetItem* brush = new NodeBrushPresetItem;
@@ -233,6 +222,24 @@ void NodePanelBrushPreset::init()
     restore();
 }
 
+kEventResult NodePanelBrushPreset::handle_event(Event* e)
+{
+    switch (e->m_type)
+    {
+    case kEventType::MouseUpL:
+        if (!m_mouse_inside)
+        {
+            mouse_release();
+            parent->remove_child(this);
+        }
+        break;
+    default:
+        return kEventResult::Available;
+        break;
+    }
+    return kEventResult::Consumed;
+}
+
 void NodePanelBrushPreset::handle_click(Node* target)
 {
     if (target == m_current)
diff --git a/src/node_panel_brush.h b/src/node_panel_brush.h
index 534b4e1..d46a7d2 100644
--- a/src/node_panel_brush.h
+++ b/src/node_panel_brush.h
@@ -32,12 +32,9 @@ public:
     virtual void init() override;
     virtual kEventResult handle_event(Event* e) override;
     void handle_click(Node* target);
-    std::vector<std::string> FindAllBrushes(const std::string& folder);
     int find_brush(const std::string& name) const;
-    uint16_t get_texture_id(int index) const;
     std::string get_texture_path(int index) const;
     std::string get_thumb_path(int index) const;
-    int get_brush_id(int index) const;
     void select_brush(int brush_id);
 };
 
@@ -111,6 +108,7 @@ public:
     std::function<void(Node* target, std::shared_ptr<Brush>& brush)> on_brush_changed;
     virtual Node* clone_instantiate() const override;
     virtual void init() override;
+    virtual kEventResult handle_event(Event* e) override;
     void handle_click(Node* target);
     std::shared_ptr<Brush> get_brush(int index) const;
     bool save();
diff --git a/src/node_panel_stroke.cpp b/src/node_panel_stroke.cpp
index d3b92ce..9f57886 100644
--- a/src/node_panel_stroke.cpp
+++ b/src/node_panel_stroke.cpp
@@ -60,6 +60,17 @@ void NodePanelStroke::init_controls()
     m_brush_popup->m_flood_events = true;
     m_brush_popup->m_capture_children = false;
 
+    m_presets_popup = std::make_shared<NodePanelBrushPreset>();
+    m_presets_popup->m_manager = m_manager;
+    m_presets_popup->init();
+    m_presets_popup->create();
+    m_presets_popup->loaded();
+    m_presets_popup->SetPositioning(YGPositionTypeAbsolute);
+    m_presets_popup->SetSize(200, 400);
+    m_presets_popup->m_mouse_ignore = false;
+    m_presets_popup->m_flood_events = true;
+    m_presets_popup->m_capture_children = false;
+
     auto b = std::make_shared<Brush>();
     int br_idx = m_brush_popup->find_brush("Round-Hard");
     b->load_texture(m_brush_popup->get_texture_path(br_idx), m_brush_popup->get_thumb_path(br_idx));
@@ -70,6 +81,38 @@ void NodePanelStroke::init_controls()
     b->m_tip_opacity = 1.f;
     Canvas::I->m_current_brush = b;
 
+    m_preset_thumb = find<NodeImage>("preset-thumb");
+    m_preset_preview = find<NodeStrokePreview>("preset-preview");
+    m_preset_preview->m_brush = b;
+    m_preset_preview->draw_stroke();
+    m_preset_button = find<NodeButtonCustom>("preset-button");
+    m_preset_button->on_click = [this](Node*) {
+        auto screen = root()->m_size;
+        glm::vec2 pos = m_preset_button->m_pos + glm::vec2(m_preset_button->m_size.x, 0);
+        root()->add_child(m_presets_popup);
+        root()->update();
+        if ((pos.y + m_presets_popup->m_size.y) > screen.y) pos.y = screen.y - m_presets_popup->m_size.y;
+        if (pos.y < 0) pos.y = 0;
+        m_presets_popup->SetPosition(pos.x, pos.y);
+        m_presets_popup->mouse_capture();
+        root()->update();
+
+        m_presets_popup->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
+            // don't change some params
+            //b->m_tip_size = Canvas::I->m_current_brush->m_tip_size;
+            b->m_tip_color = Canvas::I->m_current_brush->m_tip_color;
+            *Canvas::I->m_current_brush = *b;
+            m_preview->draw_stroke();
+            m_preset_preview->draw_stroke();
+            m_brush_thumb->set_image(b->m_brush_thumb_path);
+            m_preset_thumb->set_image(b->m_brush_thumb_path);
+            update_controls();
+
+            //m_presets_popup->mouse_release();
+            //m_presets_popup->parent->remove_child(m_presets_popup.get());
+        };
+    };
+
     m_brush_thumb = find<NodeImage>("tip-change-thumb");
     m_brush_thumb->set_image(m_brush_popup->get_thumb_path(br_idx));
 
diff --git a/src/node_panel_stroke.h b/src/node_panel_stroke.h
index e0f568b..480f9c9 100644
--- a/src/node_panel_stroke.h
+++ b/src/node_panel_stroke.h
@@ -41,7 +41,11 @@ public:
     NodeCheckBox* m_tip_val_pressure;
     NodeButtonCustom* m_brush_button;
     NodeImage* m_brush_thumb;
+    NodeImage* m_preset_thumb;
+    NodeButtonCustom* m_preset_button;
+    NodeStrokePreview* m_preset_preview;
     std::shared_ptr<NodePanelBrush> m_brush_popup;
+    std::shared_ptr<NodePanelBrushPreset> m_presets_popup;
     std::function<void(Node* target)> on_stroke_change;
     std::function<void(Node* target, const std::string& path)> on_stencil_changed;
     std::function<void(Node* target, const std::string& path, const std::string& thumb)> on_brush_changed;
diff --git a/src/node_stroke_preview.cpp b/src/node_stroke_preview.cpp
index cb428ea..8786f11 100644
--- a/src/node_stroke_preview.cpp
+++ b/src/node_stroke_preview.cpp
@@ -5,6 +5,7 @@
 #include "shader.h"
 #include "bezier.h"
 #include "canvas.h"
+#include "app.h"
 
 Node* NodeStrokePreview::clone_instantiate() const
 {
@@ -68,7 +69,7 @@ void NodeStrokePreview::draw_stroke()
         glm::mat4 proj = glm::ortho<float>(0, (float)m_rtt.getWidth(), 0, (float)m_rtt.getHeight(), -1, 1);
 
         const auto& b = m_brush;
-        m_stroke.m_max_size = 0.1f;
+        m_stroke.m_max_size = m_size.y / 800.f * App::I.zoom;
         m_stroke.m_camera.fov = Canvas::I->m_cam_fov;
         m_stroke.m_camera.rot = Canvas::I->m_cam_rot;
         m_stroke.reset();
@@ -141,10 +142,10 @@ void NodeStrokePreview::draw()
 
 void NodeStrokePreview::handle_resize(glm::vec2 old_size, glm::vec2 new_size)
 {
-    if (old_size == new_size)
+    if (m_rtt.getWidth() == new_size.x && m_rtt.getHeight() == new_size.y || !m_brush)
         return;
 
-    float pad = 30.f;
+    float pad = m_size.x * .15f;
     new_size *= root()->m_zoom;
     float w = new_size.x;
     float h = new_size.y;
@@ -152,7 +153,11 @@ void NodeStrokePreview::handle_resize(glm::vec2 old_size, glm::vec2 new_size)
     m_stroke.reset();
     m_stroke.start(m_brush);
     for (int i = 0; i < 20; i++)
-        m_stroke.add_point(glm::vec3(BezierCurve::Bezier2D(kp, i / 20.f), 0), 1.f);
+    {
+        float t = (float)i / 20.f;
+        float p = 1.f - glm::abs(t * 2.f - 1.f);
+        m_stroke.add_point(glm::vec3(BezierCurve::Bezier2D(kp, t), 0), p);
+    }
 
     m_rtt.destroy();
     m_rtt.create((int)new_size.x, (int)new_size.y);