fix stroke preview, add license messages, fix node scroll

data/layout.xml

@@ -1151,7 +1151,7 @@ Here's a list of what's available in this release.
         </border>
         <!-- side bar -->
         <node height="100%" dir="row" shrink="1">
-          <scroll id="panels" pad="5 25 5 5" margin="0 0 0 0" color=".3 .3 .3 .4" height="100%" dir="col" wrap="0" shrink="1">
+          <scroll id="panels" pad="5 5 5 5" margin="0 0 0 0" color=".3 .3 .3 .4" height="100%" dir="col" wrap="0" shrink="1">
             <!--Stroke-->
             <!--<panel-stroke id="panel-stroke"/>-->
             <!--Brushes-->

src/app.cpp

@@ -371,6 +371,11 @@ void App::init()
     initAssets();
     initLayout();
     title_update();
+
+    if (!check_license())
+    {
+        message_box("License", "Could not validate this license, running in demo mode.");
+    }
     
     //GLfloat width_range[2];
     //glGetFloatv(GL_SMOOTH_LINE_WIDTH_RANGE, width_range);

src/app_dialogs.cpp

@@ -308,6 +308,12 @@ void App::dialog_browse()
 
 void App::dialog_save_ver()
 {
+    if (!check_license())
+    {
+        message_box("License", "This function is disabled in demo mode.");
+        return;
+    }
+
     int current = 0;
     std::string next = doc_name + ".01";
     std::string base = doc_name;
@@ -338,6 +344,12 @@ void App::dialog_save_ver()
 
 void App::dialog_save()
 {
+    if (!check_license())
+    {
+        message_box("License", "This function is disabled in demo mode.");
+        return;
+    }
+    
     if (canvas)
     {
         auto dialog = std::make_shared<NodeDialogSave>();
@@ -402,6 +414,12 @@ void App::dialog_save()
 
 void App::dialog_export()
 {
+    if (!check_license())
+    {
+        message_box("License", "This function is disabled in demo mode.");
+        return;
+    }
+
     if (canvas)
     {
         // TODO: use picker

src/canvas.h

@@ -307,9 +307,22 @@ public:
             if (!m_image[i])
                 continue;
 
+            LOG("undo box %d dirty=%s [%d,%d,%d,%d] to dirty=%s [%d,%d,%d,%d]",
+                i,
+                m_canvas->m_layers[m_layer_idx].m_dirty_face[i] ? "true" : "false",
+                (int)m_canvas->m_layers[m_layer_idx].m_dirty_box[i].x,
+                (int)m_canvas->m_layers[m_layer_idx].m_dirty_box[i].y,
+                (int)m_canvas->m_layers[m_layer_idx].m_dirty_box[i].z,
+                (int)m_canvas->m_layers[m_layer_idx].m_dirty_box[i].w,
+                m_old_dirty[i] ? "true" : "false",
+                (int)m_old_box[i].x,
+                (int)m_old_box[i].y,
+                (int)m_old_box[i].z,
+                (int)m_old_box[i].w);
             m_canvas->m_layers[m_layer_idx].m_dirty_box[i] = m_old_box[i];
             m_canvas->m_layers[m_layer_idx].m_dirty_face[i] = m_old_dirty[i];
 
+
             glm::vec2 box_sz = zw(m_box[i]) - xy(m_box[i]);
             if (box_sz.x > 0 && box_sz.y > 0 && box_sz.x <= m_canvas->m_layers[m_layer_idx].w && box_sz.y <= m_canvas->m_layers[m_layer_idx].h)
             {

src/layout.cpp

@@ -6,6 +6,11 @@
 #include "node.h"
 #include "node_border.h"
 
+void LayoutManager::create()
+{
+    m_layouts[const_hash("main")] = std::make_unique<Node>();
+}
+
 bool LayoutManager::load(const char* path)
 {
     auto abs_path = Asset::absolute(path);

src/layout.h

@@ -19,6 +19,7 @@ class LayoutManager
 public:
     bool m_loaded = false;
     std::function<void()> on_loaded;
+    void create();
     bool load(const char* path);
     bool reload();
     class Node* operator[](uint16_t id) 

src/main.cpp

@@ -408,12 +408,14 @@ int main(int argc, char** argv)
     if (argc == 1)
         App::I.initLog();
 
+/*
     if (!App::I.check_license())
     {
         MessageBoxA(NULL, "Unable to verify this demo license, please make sure you are connected to Internet.",
             "PanoPainter - License Error", MB_ICONERROR | MB_OK);
         return -1;
     }
+*/
 
 
     FILE* fp_check = fopen("data\\layout.xml", "rb");

src/node_scroll.cpp

@@ -36,15 +36,21 @@ void NodeScroll::draw()
 {
     NodeBorder::draw();
     glm::vec4 rect = get_children_rect();
-    if (rect.x == 0 || rect.w < m_size.y)
+    glm::vec4 pad = GetPadding();
+    float sz = m_size.y - (pad[0] + pad[2]);
+    if (rect.w == 0 || rect.w <= sz)
+    {
+        YGNodeStyleSetPadding(y_node, YGEdgeRight, 5);
         return;
-    float h = m_size.y / rect.w * m_size.y;
-    float offset_percent = m_offset.y / (rect.w - m_size.y);
+    }
+    YGNodeStyleSetPadding(y_node, YGEdgeRight, 35);
+    float h = sz / rect.w * sz;
+    float offset_percent = m_offset.y / (rect.w - sz);
     float pr = YGNodeLayoutGetPadding(y_node, YGEdgeRight) - 5;
     glDisable(GL_BLEND);
     ShaderManager::use(kShader::Color);
     ShaderManager::u_mat4(kShaderUniform::MVP, m_proj 
-        * glm::translate(glm::vec3(m_pos.x + m_size.x - pr, m_pos.y - offset_percent * (m_size.y - h), 0))
+        * glm::translate(glm::vec3(m_pos.x + m_size.x - pr, m_pos.y - offset_percent * (sz - h) + pad[0], 0))
         * glm::scale(glm::vec3(pr, h, 1)) 
         * glm::translate(glm::vec3(.5, .5, 0))
     );
@@ -71,7 +77,10 @@ kEventResult NodeScroll::handle_event(Event* e)
     case kEventType::MouseMove:
         if (m_dragging)
         {
-            m_offset = m_offset_start + (me->m_pos - m_drag_start) * m_mask * m_scroll_dir;
+            glm::vec4 rect = get_children_rect();
+            glm::vec4 pad = GetPadding();
+            float speed = rect.w / (m_size.y - (pad[0] + pad[2]));
+            m_offset = m_offset_start + (me->m_pos - m_drag_start) * m_mask * m_scroll_dir * speed;
             fix_scroll();
         }
         break;

src/node_stroke_preview.cpp

@@ -148,10 +148,14 @@ void NodeStrokePreview::handle_resize(glm::vec2 old_size, glm::vec2 new_size)
 
     float pad = m_size.x * .15f;
     new_size *= root()->m_zoom;
+
+    m_rtt.destroy();
+    m_rtt.create((int)new_size.x, (int)new_size.y);
+
     float w = new_size.x;
     float h = new_size.y;
     std::vector<glm::vec2> kp = { { pad, pad },{ pad, h - pad },{ w - pad, pad },{ w - pad, h - pad } };
-    m_stroke.reset();
+    m_stroke.reset(true);
     m_stroke.start(m_brush);
     for (int i = 0; i < 20; i++)
     {
@@ -160,7 +164,5 @@ void NodeStrokePreview::handle_resize(glm::vec2 old_size, glm::vec2 new_size)
         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);
     draw_stroke();
 }