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feat(experimental): add selection tool

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This commit is contained in:
Beriff
2026-03-10 15:55:02 +07:00
parent 232b5c8f90
commit 1d168f7be4
9 changed files with 65 additions and 18 deletions
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33
src/application/applicationstate.c
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@@ -22,7 +22,11 @@ static void appstate_set_tool(GtkButton* button, gpointer user_data) {
data->state->selectedTool = data->tool;
// setting tool makes the sub-tools menu to close
gtk_revealer_set_reveal_child(data->revealer, FALSE);
// (ADD NEW REVEALERS HERE)
gtk_revealer_set_reveal_child(
data->state->widgetState->workspaceRevealerShapes,
FALSE
);
// setting tool also resets selected shape
data->state->selectedShape = NULL;
@@ -175,6 +179,19 @@ begin_click_dispatch:
//state->selectedShape = NULL;
vektor_shapes_update_bbox(state->shapeBuffer);
}
else if (state->selectedTool == VektorSelectionTool) {
g_print("as select");
for(size_t i = 0; i < state->shapeBuffer->count; i++) {
VektorBBox bbox =
vektor_primitive_get_bbox(state->shapeBuffer->shapes[i].primitive);
if(vektor_bbox_isinside(bbox, pos)) {
state->selectedShape = &(state->shapeBuffer->shapes[i]);
return;
}
}
// was clicked outside any shapes - reset selection
state->selectedShape = NULL;
}
}
void vektor_appstate_new(VektorWidgetState* wstate, VektorAppState* stateOut) {
@@ -193,6 +210,10 @@ void vektor_appstate_new(VektorWidgetState* wstate, VektorAppState* stateOut) {
data_rectangletool->tool = VektorRectangleTool;
data_rectangletool->revealer = wstate->workspaceRevealerShapes;
button_tool_set_data* data_selecttool = malloc(sizeof(button_tool_set_data));
data_selecttool->state = stateOut;
data_selecttool->tool = VektorSelectionTool;
// populate appstate
stateOut->shapeBuffer = malloc(sizeof(VektorShapeBuffer));
*stateOut->shapeBuffer = (VektorShapeBuffer){0};
@@ -206,14 +227,16 @@ void vektor_appstate_new(VektorWidgetState* wstate, VektorAppState* stateOut) {
vektor_canvas_init(wstate, stateOut->canvas, renderInfo);
// link all the buttons
g_signal_connect(G_OBJECT(wstate->workspaceButtonLinetool), "clicked",
g_signal_connect(G_OBJECT(wstate->workspaceButtonLineTool), "clicked",
G_CALLBACK(appstate_set_tool), data_linetool);
g_signal_connect(G_OBJECT(wstate->workspaceButtonRecttool), "clicked",
g_signal_connect(G_OBJECT(wstate->workspaceButtonRectTool), "clicked",
G_CALLBACK(appstate_set_tool), data_rectangletool);
g_signal_connect(G_OBJECT(wstate->workspaceButtonCircletool), "clicked",
g_signal_connect(G_OBJECT(wstate->workspaceButtonCircleTool), "clicked",
G_CALLBACK(appstate_set_tool), data_linetool);
g_signal_connect(G_OBJECT(wstate->workspaceButtonPolygontool), "clicked",
g_signal_connect(G_OBJECT(wstate->workspaceButtonPolygonTool), "clicked",
G_CALLBACK(appstate_set_tool), data_polygontool);
g_signal_connect(G_OBJECT(wstate->workspaceButtonSelectionTool), "clicked",
G_CALLBACK(appstate_set_tool), data_selecttool);
// hook subtool revealers to their master buttons
g_signal_connect(G_OBJECT(wstate->workspaceButtonMasterShapes), "clicked",

3
src/application/applicationstate.h
View File

@@ -6,7 +6,8 @@
#include "../ui/vektorcanvas.h"
#include "src/core/raster.h"
typedef enum VektorAppTool {
typedef enum VektorAppTool {
VektorSelectionTool,
VektorLineTool,
VektorPolygonTool,
VektorRectangleTool

5
src/core/primitives.c
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@@ -135,6 +135,11 @@ VektorBBox vektor_primitive_get_bbox(VektorPrimitive prim) {
}
}
bool vektor_bbox_isinside(VektorBBox bbox, V2 point) {
return point.x >= bbox.min.x && point.y >= bbox.min.y
&& point.x <= bbox.max.x && point.y <= bbox.max.y;
}
VektorShape vektor_shape_new(VektorPrimitive prim, VektorStyle style,
int z_index) {
return (VektorShape){.primitive = prim, .style = style, .z_index = z_index, .bbox=vektor_primitive_get_bbox(prim)};

1
src/core/primitives.h
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@@ -80,6 +80,7 @@ VektorBBox vektor_polygon_get_bbox(VektorPrimitive prim);
VektorBBox vektor_rectangle_get_bbox(VektorPrimitive prim);
VektorBBox vektor_primitive_get_bbox(VektorPrimitive prim);
bool vektor_bbox_isinside(VektorBBox bbox, V2 point);
VektorShape vektor_shape_new(VektorPrimitive prim, VektorStyle style,
int z_index);

10
src/ui/uicontroller.c
View File

@@ -50,14 +50,16 @@ void vektor_uictrl_init(GtkApplication* app, VektorWidgetState* stateOut) {
GTK_BUTTON(gtk_builder_get_object(builder, "button_shapetools"));
stateOut->workspaceRevealerShapes =
GTK_REVEALER(gtk_builder_get_object(builder, "shape_revealer"));
stateOut->workspaceButtonLinetool =
stateOut->workspaceButtonLineTool =
GTK_BUTTON(gtk_builder_get_object(builder, "button_linetool"));
stateOut->workspaceButtonRecttool =
stateOut->workspaceButtonRectTool =
GTK_BUTTON(gtk_builder_get_object(builder, "button_rectangletool"));
stateOut->workspaceButtonCircletool =
stateOut->workspaceButtonCircleTool =
GTK_BUTTON(gtk_builder_get_object(builder, "button_circletool"));
stateOut->workspaceButtonPolygontool =
stateOut->workspaceButtonPolygonTool =
GTK_BUTTON(gtk_builder_get_object(builder, "button_polygontool"));
stateOut->workspaceButtonSelectionTool =
GTK_BUTTON(gtk_builder_get_object(builder, "button_selecttool"));
stateOut->workspaceColorPicker =
VEKTOR_COLOR_WHEEL(gtk_builder_get_object(builder, "color_picker"));

9
src/ui/uicontroller.h
View File

@@ -17,10 +17,11 @@ typedef struct VektorWidgetState {
GtkButton* workspaceButtonMasterShapes;
GtkRevealer* workspaceRevealerShapes;
GtkButton* workspaceButtonLinetool;
GtkButton* workspaceButtonRecttool;
GtkButton* workspaceButtonCircletool;
GtkButton* workspaceButtonPolygontool;
GtkButton* workspaceButtonLineTool;
GtkButton* workspaceButtonRectTool;
GtkButton* workspaceButtonCircleTool;
GtkButton* workspaceButtonPolygonTool;
GtkButton* workspaceButtonSelectionTool;
VektorColorWheel* workspaceColorPicker;

6
src/ui/vektorcanvas.c
View File

@@ -138,8 +138,6 @@ static gboolean render(GtkGLArea* a, GdkGLContext* ctx, VektorCanvasRenderInfo*
VektorBBox bbox = vektor_primitive_get_bbox(
(*(renderInfo->selectedShape))->primitive
);
g_print("min: %f %f max: %f %f\n", bbox.min.x, bbox.min.y, bbox.max.x, bbox.max.y);
vektor_vb_add_quad(
&vb,
@@ -184,8 +182,8 @@ static gboolean render(GtkGLArea* a, GdkGLContext* ctx, VektorCanvasRenderInfo*
glUniformMatrix4fv(shader_selection_uProjMatrixLoc, 1, GL_FALSE, projectionMatrix);
glUniform1f(shader_selection_uTimeLoc, time);
glUniform2f(shader_selection_uMinLoc, bbox.min.x, bbox.min.y); // ← this was missing/broken
glUniform2f(shader_selection_uMaxLoc, bbox.max.x, bbox.max.y); // ← this was missing/broken
glUniform2f(shader_selection_uMinLoc, bbox.min.x, bbox.min.y);
glUniform2f(shader_selection_uMaxLoc, bbox.max.x, bbox.max.y);
glUniform4f(shader_selection_uC1Loc, 0, 0, 0, 1);
glUniform4f(shader_selection_uC2Loc, 0.46, 0.46, 1, 1);